Product Description
Manufacturers Multiple Types/Size Flexible Coupling rubber shaft coupling 16AS for excavator coupling
Our main products:
steel cover lock, filter, oil grid, pump, cylinder head, crankshaft, camshaft, connecting rod, connecting rod bearing, valve, plunger, nozzle, exhaust valve, engine assembly, intake pump , fan blade, engine preheater, radiator, intake valve, main bearing, crankshaft bearing, nozzle, nozzle pipe, oil pump, piston, piston pin, piston ring, plunger, valve seat, thrust bearing, valve guide, valve Seats, valve seals, gasket sets, water pumps, turbochargers, generators, starters, sensors…
Please click here>>>>Contact us for more factory price,shipping and discounts
| ENGINE CUSHION | ||||||||||||||
| NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name |
| 1 | KLB-Q3001 | PC40 | 105*53*10 | ENGINE CUSHION | 15 | KLB-Q3015 | E312 FRONT |
95*28*16 | ENGINE CUSHION | 29 | KLB-Q3571 | SK230 | 90*45*21 | ENGINE CUSHION |
| 2 | KLB-Q3002 | PC120-6 4D102 | 82*46*18 | ENGINE CUSHION | 16 | KLB-Q3016 | EX312 REAR |
95*29*17 | ENGINE CUSHION | 30 | KLB-Q3030 | HD250 | 59*31*13 | ENGINE CUSHION |
| 3 | KLB-Q3003 | PC200-3 | 124*68*45 205-01-71111 |
ENGINE CUSHION | 17 | KLB-Q3017 | ZAX230 FRONT |
95*28*16 | ENGINE CUSHION | 31 | KLB-Q3031 | HD450 FRONT |
97*15*19 | ENGINE CUSHION |
| 4 | KLB-Q3004 | PC200-5/6 FRONT |
80*46*19 20Y-01-12210 |
ENGINE CUSHION | 18 | KLB-Q3018 | E320B | 110*40*22 | ENGINE CUSHION | 32 | KLB-Q3032 | HD450 REAR |
118*36*19 | ENGINE CUSHION |
| 5 | KLB-Q3005 | PC200-5 REAR |
130*73*25 20Y-01-12221 |
ENGINE CUSHION | 19 | KLB-Q3019 | E330B | 136*44*25 | ENGINE CUSHION | 33 | KLB-Q3033 | LS120 | 87*42*17 | ENGINE CUSHION |
| 6 | KLB-Q3006 | PC200-6 6D102 |
20Y-01-12222 | ENGINE CUSHION | 20 | KLB-Q3571 | DH220-3 FRONT |
68*70*12 | ENGINE CUSHION | 34 | KLB-Q3034 | LS280 FRONT |
86*23*16 | ENGINE CUSHION |
| 7 | KLB-Q3007 | EX200 | ENGINE CUSHION | 21 | KLB-Q3571 | DH220-3 REAR |
110*105*14 | ENGINE CUSHION | 35 | KLB-Q3035 | LS280 REAR |
96*25*16 | ENGINE CUSHION | |
| 8 | KLB-Q3008 | EX200-5 REAR |
167*110*14 | ENGINE CUSHION | 22 | KLB-Q3571 | DH220-5 | 104*74*19 | ENGINE CUSHION | 36 | KLB-Q3036 | SH60 SH65 |
120*110*12 | ENGINE CUSHION |
| 9 | KLB-Q3009 | EX200-6 REAR |
175*135*16 | ENGINE CUSHION | 23 | KLB-Q3571 | DH280 FRONT |
165*200*16 | ENGINE CUSHION | 37 | KLB-Q3037 | 6D22 FRONT |
70*35*21 | ENGINE CUSHION |
| 10 | KLB-Q3571 | EX200 FRONT |
120*155*14 | ENGINE CUSHION | 24 | KLB-Q3571 | DH280 REAR |
200*110*20 | ENGINE CUSHION | 38 | KLB-Q3038 | 6D22 REAR |
95*41*22 | ENGINE CUSHION |
| 11 | KLB-Q3011 | EX200 REAR |
165*105*14 | ENGINE CUSHION | 25 | KLB-Q3571 | SK60 FRONT |
98*103*12 | ENGINE CUSHION | 39 | KLB-Q3039 | DH55 FRONT |
100*48*17 | ENGINE CUSHION |
| 12 | KLB-Q3012 | EX200 | 126*100*11 | ENGINE CUSHION | 26 | KLB-Q3026 | SK60 REAR |
98*103*16 | ENGINE CUSHION | 40 | KLB-Q3040 | SH200A3 | 137*160*16 | ENGINE CUSHION |
| 13 | KLB-Q3013 | EX300 FRONT |
87*35*20 | ENGINE CUSHION | 27 | KLB-Q3571 | SK120 FRONT |
100*15*19 | ENGINE CUSHION | |||||
| 14 | KLB-Q3014 | EX300 REAR |
110*39*22 | ENGINE CUSHION | 28 | KLB-Q3571 | SK120 FEAR |
100*47*19 | ENGINE CUSHION | |||||
| COUPLING | ||||||||||||||
| NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name |
| 1 | KLB-Q2001 | 25H 162*92 | COUPLING | 22 | KLB-Q2571 | 16A | 155*76 | COUPLING | 43 | KLB-Q2043 | S32S | 235*97 | COUPLING | |
| 2 | KLB-Q2002 | MS110 DH55 | 30H 195*105 | COUPLING | 23 | KLB-Q2571 | 16AS | 155*76 | COUPLING | 44 | KLB-Q2044 | S25S | 163*58 | COUPLING |
| 3 | KLB-Q2003 | 30H | 195*105 | COUPLING ASSY | 24 | KLB-Q2571 | 22A | 153*76 | COUPLING | 45 | KLB-Q2045 | E200B | 14T | COUPLING |
| 4 | KLB-Q2004 | EX200-2 | 40H 170*90 | COUPLING | 25 | KLB-Q2571 | 25A | 185*102 | COUPLING | 46 | KLB-Q2046 | 50AC | 14T 205*40 | COUPLING |
| 5 | KLB-Q2005 | 40H | 170*90 | COUPLING ASSY | 26 | KLB-Q2026 | 25AS | 185*102 | COUPLING | 47 | KLB-Q2047 | SH280 | COUPLING | |
| 6 | KLB-Q2006 | 45H | 183*92 | COUPLING | 27 | KLB-Q2571 | 28A | 178*93 | COUPLING | 48 | KLB-Q2048 | E200B 12T | COUPLING | |
| 7 | KLB-Q2007 | 45H | 183*92 | COUPLING ASSY | 28 | KLB-Q2571 | 28AS | 178*93 | COUPLING | 49 | KLB-Q2049 | 50AM 16T | 205*45 | COUPLING |
| 8 | KLB-Q2008 | 90H | 203*107 | COUPLING | 29 | KLB-Q2571 | 30A | 215*118 | COUPLING | 50 | KLB-Q2050 | SH200 | 14T 205*40 | COUPLING |
| 9 | KLB-Q2009 | 90H | 203*107 | COUPLING ASSY | 30 | KLB-Q2030 | 30AS | 215*118 | COUPLING | 51 | KLB-Q2051 | E330C | 350*145 | COUPLING |
| 10 | KLB-Q2571 | 50H | 195*110 | COUPLING | 31 | KLB-Q2031 | 50A | 205*108 | COUPLING | 52 | KLB-Q2052 | E330C | COUPLING | |
| 11 | KLB-Q2011 | 50H | 195*110 | COUPLING ASSY | 32 | KLB-Q2032 | 50AS | 205*108 | COUPLING | 53 | KLB-Q2053 | 168mm*48m 26T 3H | COUPLING | |
| 12 | KLB-Q2012 | 110H | 215*110 | COUPLING | 33 | KLB-Q2033 | 90A | 272*140 | COUPLING | 54 | KLB-Q2054 | 242mm*72mm 50T 8H | COUPLING | |
| 13 | KLB-Q2013 | 110H | 215*110 | COUPLING ASSY | 34 | KLB-Q2034 | 90AS | 272*140 | COUPLING | 55 | KLB-Q2055 | 295mm*161mm 48T 12H | COUPLING | |
| 14 | KLB-Q2014 | 140H | 245*125 | COUPLING | 35 | KLB-Q2035 | 140A | 262*132 | COUPLING | 56 | KLB-Q2056 | 352mm*161mm 48T 8H | COUPLING | |
| 15 | KLB-Q2015 | 140H | 245*125 | COUPLING ASSY | 36 | KLB-Q2036 | 140AS | 262*132 | COUPLING | 57 | KLB-Q2057 | 352mm*161mm 46T 8H | COUPLING | |
| 16 | KLB-Q2016 | 160H | 255*134 | COUPLING | 37 | KLB-Q2037 | E300B | 16T 278*54 | COUPLING | 58 | KLB-Q2058 | 318mm*72mm 50T 8H | COUPLING | |
| 17 | KLB-Q2017 | 160H | 255*134 | COUPLING ASSY | 38 | KLB-Q2038 | E450 | 16T 360*52 | COUPLING | 59 | KLB-Q2059 | 315mm 42T | COUPLING | |
| 18 | KLB-Q2018 | 4A | 104*53 | COUPLING | 39 | KLB-Q2039 | SH430 | 12T 205*35 | COUPLING | 60 | KLB-Q2060 | 268mm*100mm 42T 6H | COUPLING | |
| 19 | KLB-Q2019 | 4AS | 104*53 | COUPLING | 40 | KLB-Q2040 | SH200 | 14T 205*40 | COUPLING | 61 | KLB-Q2061 | 167mm*90mm 47T 3H | COUPLING | |
| 20 | KLB-Q2571 | 8A | 130*70 | COUPLING | 41 | KLB-Q2041 | 50ASM | 20T 205*40 | COUPLING | 62 | KLB-Q2062 | 182mm 42T | COUPLING | |
| 21 | KLB-Q2571 | 8AS | 130*70 | COUPLING | 42 | KLB-Q2042 | SH160(SH60) | 15T 173*22 | COUPLING | 63 | KLB-Q2063 | 220mm 46T | COUPLING | |
1Q:What is your brand?
1A:Our own brand: Mita Group and its range of excavator parts.
2Q:Do you have your own factory? Can we have a visit?
2A:Absolutely, you are alwayswelcome to visit our factory.
3Q:How do you control the quality of the products?
3A:Our factory was obtained the ISO9001CERTIFICATE.Every process of the production is strictly controlled. And all products will be inspected by QC before shipment.
4Q:How long is the delivery time?
4A:2 to 7 days for ex-stock orders. 15 to 30 days for production.
5Q:Can we print our company logo onproduct and package?
5A:Yes, but the quantity of the order is required. And we need you to offer the Trademark Authorization to us.
6Q:Can you provide OEM BRAND package?
6A:Sorry, we can only offer our company ACT BRAND package or neutral packing,blank package ifyou need, and the Buyers’ Brand as authorized.7Q:How long is the warranty period?7A:3 months /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads
Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.
High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.
Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.
However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.
Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

Signs of Wear or Deterioration in Rubber Couplings
Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:
- Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
- Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
- Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
- Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
- Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.
Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

Types of Rubber Couplings Designed for Specific Uses
There are several types of rubber couplings, each designed with specific characteristics to suit various applications:
- Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
- Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
- Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
- Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
- Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.
Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.


editor by CX 2024-04-30
China Custom Rubber Flexible PVC Coupling with SS304 Stainless Steel Clamps
Product Description
PRODUCT DETAILS
custom CHINAMFG rubber pipe flexible coupling
PRODUCT INFORMATION
| Name | Rubber flexible coupling |
| Material Type | NBR,EPDM,HNBR,SILICONE,NR,etc. |
| Hardness | Shore A30-90 |
| Color | Any color |
| Certificates | ROHS, REACH,SGS,WRAS,FDA |
| Packing | Carton and Pallet, as per request |
| Lead time | 10days for tooling and sample, 20-30days for MOQ |
WHY CHOOSE US
· ISO9001:2008 authorized, Certifications of ROHS, SGS, WRAS, FDA21 are available.
· 20 years production and 10years export experience
· Independent R&D center of rubber formulation, independent product and tooling design center
· With over 1000 ton machine, biggest 1000kg product can be produced
· Reasonable and competitive price
· Thousands of tooling available, especially standard sizes. For large quantity of customized product, the mold fee is free
COMPANY INFORMATION
HangZhou CHINAMFG CoLtd. Is a leading designer and manufacturer of seals and rubber products with over 20 years experience;We are serving the needs of countless industries from bearina and automobile to valve and machine.The products are exporting to many countries and well received.There are more than thousands of clients keeping in touch with us.
In auality,all the products are ROHS approved NSF61 and FDa21 compliant products are available.We are supplying the NSF61 and FDA21 compliant products to valve and food industry for many years;WRAS Certification for water industry.
Our CHINAMFG with WRAS Certification can be usedin drinking water industry.In experience with over 20 years experience in the design and production of seals; We are the vendor of CHINAMFG bearing-the biggest bearina manufacturer in China.We are exportina the rubber products to many countries and wel received.The countries include UAS,England,India,Malaysia,Australiaand so on.
In feature, with a lot of experience in large-size seals and rubber products.And especially the products in rubber-metal are competitive.The formulation of partial products is independent research and devel opment by ourselves.
FACTORY SHOW
EQUIPMENTS
CERTIFICATIONS
ADVANTAGES
CONTACT US
RELATED PRODUCTS
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Diagnosing and Troubleshooting Rubber Coupling Issues
Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:
- Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
- Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
- Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
- Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
- Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
- Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
- Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
- Comparative Analysis: Compare coupling behavior to baseline performance data.
If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

Industries and Applications of Rubber Couplings
Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:
- Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
- Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
- Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
- Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
- Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
- Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.
These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

Factors to Consider When Selecting a Rubber Coupling
Choosing the right rubber coupling for a specific application involves considering various factors:
1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.
2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.
3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.
4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.
5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.
6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.
7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.
8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.
By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.


editor by CX 2024-04-30
China best Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.
Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc
Coupling performance
1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.
How to select the appropriate coupling type
The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.
If you cannot determine the type, you can contact our professional engineer
Related products
Company Profile
Our Equipments
Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.
Machining equipments
Heat equipment
Our Factory
Application – Photos from our partner customers
Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Impact of Elastomer Element Design on Rubber Coupling Performance
The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:
- Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
- Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
- Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
- Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
- Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.
The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

Handling Torque and Vibration Suppression in Rubber Couplings
Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:
- Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
- Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.
Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Challenges of Misaligned Rubber Couplings and Their Resolution
Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:
1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.
2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.
3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.
4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.
5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.
To resolve these challenges, proper alignment practices are crucial:
1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.
2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.
3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.
4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.
5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.
By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.


editor by CX 2024-04-30
China Good quality CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
Product Description
Product Description
Coupling Deatails
Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.
|
Model parameter |
ΦD |
L |
LF |
LP |
F |
M |
Tightening screw torque |
|
(N.M) |
|||||||
|
GF-14X22 |
14 |
22 |
14.3 |
6.6 |
3.8 |
M 3 |
0.7 |
|
GF-20X25 |
20 |
25 |
16.7 |
8.6 |
4 |
M 3 |
0.7 |
|
GF-20X30 |
20 |
30 |
19.25 |
8.6 |
5.3 |
M 4 |
1.7 |
|
GF-25X30 |
25 |
30 |
20.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-25X34 |
25 |
34 |
22.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-30X35 |
30 |
35 |
23 |
11.5 |
5.75 |
M 4 |
1.7 |
|
GF-30X40 |
30 |
40 |
25.6 |
11.5 |
10 |
M 4 |
1.7 |
|
GF-40X50 |
40 |
50 |
32.1 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X55 |
40 |
55 |
34.5 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X66 |
40 |
66 |
40 |
14.5 |
12.75 |
M 5 |
4 |
|
GF-55X49 |
55 |
49 |
32 |
16.1 |
13.5 |
M 6 |
8.4 |
|
GF-55X78 |
55 |
78 |
46.4 |
16.1 |
15.5 |
M 6 |
8.4 |
|
GF-65X80 |
65 |
80 |
48.5 |
17.3 |
18.1 |
M 8 |
10.5 |
|
GF-65X90 |
65 |
90 |
53.5 |
17.3 |
18.1 |
M 8 |
10.5 |
Product Parameters
Detailed Photos
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Maintaining and Preserving Rubber Coupling Performance
To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:
- Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
- Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
- Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
- Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
- Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
- Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
- Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
- Replacement: Replace worn or damaged rubber elements as needed.
By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

Handling Torque and Vibration Suppression in Rubber Couplings
Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:
- Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
- Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.
Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Role of Rubber Flexibility in Accommodating Misalignment
Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:
1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.
2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.
3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.
This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.
In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.


editor by CX 2024-04-29
China Custom Elastic Rubber Coupling for Air Compressor
Product Description
Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,
HPV102, 8DC8 8DC9, TierII 522192, 60, 1,
385, 396, 415, 416, 455, 485,
VIO75, VIO70, 172187-712, 4DNV98
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Diagnosing and Troubleshooting Rubber Coupling Issues
Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:
- Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
- Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
- Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
- Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
- Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
- Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
- Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
- Comparative Analysis: Compare coupling behavior to baseline performance data.
If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-04-29
China OEM H Shape Flexible Coupling PU Rubber Elastomer
Product Description
Product Description
H Shape Flexible Coupling PU Rubber Elastomer
The elastomer insert is equalizing element of coupling. It transmits torque without backlash or vibration. The elastomer insert defines the characteristics of the entire drive system. Backlash is eliminated by the press fit of the elastomer into the hubs. Through variation of the shore hardness of the elastomer insert, the coupling system can be optimized for the ideal torsional characteristics.
H Shape Flexible Coupling PU Rubber Elastomer
PRODUCT ADVANTAGES
With special secret formula, our coupling spiders can be stably operated for 2~5 years under different working conditions, which is very closed to the KTR’s service life.
More Products:
Various types of couplings rubber elastomer models are as follows:
MT rubber coupling (MT1-MT13),
GR rubber coupling (GR10-GR180),
GS rubber coupling (GS7-GS90),
T Hexagon back wheel coupling (hexagonal elasticity pad T70 ~ 210).,
the fluid coupling (YOX),
L-type claw coupling hexagonal coupling (L35-L276),
H-type elastic block (H80-H350),
NM couplings elastomer (NM50 -NM214).
HRC Coupling elastomer (HRC60-HRC280).
Gear Sleeve Rubber Coupling Elastomer cushion (gear 4J-10J).
NL inner tooth gear coupling sleeve (NL1-NL10).
Oldham and non-standard high strength Spider rubber coupling.
Main Products:
custom couplings Plum pad, HRC couplings, Martin couplings, HRC couplings supply elastomer, HRC couplings elastic block, Gear Sleeve Rubber Coupling Elastomer, block rubber supply couplings, coupling rubber parts, coupling is rubber body, ZheJiang custom rubber gear coupling, screw compressor couplings, rubber supply gear couplings, Atlas coupling, screw compressor coupling, ZheJiang wholesale production of polyurethane gear, supply H-linking couplings, H-shaped elastic block coupling, H-type coupling rubber elastomer blocks
Please inquire us if you need Rubber Coupling Elastomer and other types couplings inserts.
| Different Types Of Hydraulic Seals | ||
| Application | Type | Material |
| Rod Seals | UN | TPU(PU,Polyurethane) |
| UNS | TPU(PU,Polyurethane) | |
| UHS | TPU(PU,Polyurethane) | |
| IDU | TPU(PU,Polyurethane) | |
| U+S | PU+NBR | |
| UPH | NBR & FKM | |
| Step Seal | NBR+PTFE | |
| VES | Rubber+Fabric | |
| IDI | PU | |
| ISI | PU | |
| Piston Seals | SPG | NBR+PTFE |
| SPGW | NBR+PTFE | |
| SPGO | NBR+PTFE | |
| KDAS | NBR+PU+POM | |
| ODI | PU | |
| OSI | PU | |
| ODU | PU | |
| Dust Wiper Seals | DH/DHS | PU |
| LBH | NBR & FKM | |
| J/JA | PU | |
| DKB | NBR & FKM +Metal | |
| DKBI | PU+Metal | |
| DSI | PU | |
| Wear Ring | WR | Phenolic Fabric |
| Xihu (West Lake) Dis. Tape | PTFE | |
| Xihu (West Lake) Dis. Tape | Phenolic Fabric | |
| Buffer Seal | HBY | PU+Nylon |
| Back-up Ring | O-Ring | NBR & FKM |
| X-Ring | NBR & FKM | |
| PTFE Washer | PTFE | |
H Shape Flexible Coupling PU Rubber Elastomer
| Different Type Rotary Shaft Oil Seal | ||||
| Type | Material | Lip | Spring | Feature |
| TC | NBR & FKM | Double Lips | Single | Metal Coverd Rubber |
| TB | NBR | Double Lips | Single | Metal Case |
| TA | NBR | Double Lips | Single | Metal Case |
| SC | NBR & FKM | Single | Single | Double Metal Shell |
| SB | NBR | Single | Single | Metal Case |
| SA | NBR | Single | Single | Double Metal Shell |
| DC | NBR | Double Lips | Double | Double Springs |
| VC | NBR & FKM | Single | Without | Metal Coverd Rubber |
| VB | NBR | Single | Without | Metal Case |
| TCV | NBR | Double Lips | Single | High Pressure |
| TCN | NBR | Double Lips | Single | High Pressure |
| PTFE | PTFE | Single & Double Lips | Without | Stainless steel |
| HTCL | NBR & FKM | Double Lips | Single | Inside thread L |
| HTCR | NBR & FKM | Double Lips | Single | Inside thread R |
| …………………………………………………………………………………………… More types please contact us. Customization is welcome. |
||||
Related Products
H Shape Flexible Coupling PU Rubber Elastomer
Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from “gaps” in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.
Company Profile
HangZhou CHINAMFG Sealing Technology Co., Ltd. is a scientific and technological production enterprise integrating R&D, production and sales. HangZhou CHINAMFG International Trade Co., Ltd. is a wholly-owned subsidiary of the company, specializing in export business. Our production plant covers an area of about 2,000 square CHINAMFG and has 150 employees.
QMS (Quality Management System):
ISO9001, ISO/TS16949
Our Products:
O Ring, Oil Seal, Hydraulic & Pneumatic Seal, Custom CHINAMFG Parts
Production Standard:
ASTMD2000
Product Application Scope:
Engineering machinery, hydraulic pneumatic, petroleum and natural gas, automobile seals, valves and pipelines, electronic home appliances, food grade, electric power, chemical industry, coal mine, metallurgy, engineering shield machine and other industries, supporting domestic automobile and machinery manufacturers.
We had sell to:
More than 40 countries including the United States, Germany, Japan, Britain, Italy, Spain, Russia, Canada, Australia, Malaysia, Philippines, Indonesia, Mexico, Brazil, Peru, Chile, Argentina, Israel, Saudi Arabia, Lebanon, Ukraine, Pakistan, Thailand, Vietnam, etc.
Packaging & Shipping
H Shape Flexible Coupling PU Rubber Elastomer
Ship by express, by air, by sea at buyer’s option.
rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
FAQ
Q 1. What’s the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted. rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 2. What is the normal lead time for product orders?
A: Generally it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it is according to quantity.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal
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Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.
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Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO14001:2004 certified by SGS since 2015.
A2: We have various rubber compounds approved by ROHS and REACH.
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Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.
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Q 7: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q8: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc. tc oi
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Q9: Do you provide maintenance on tooling?
A: We maintain all tooling and will replace as needed.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q10: How many empolyees you have?
A:We have 150 empolyees at time of December 2571. tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
If you have any other question, please don’t hesitate to contact us:
H Shape Flexible Coupling PU Rubber Elastomer /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Recent Advancements in Rubber Coupling Technology
In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:
- Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
- Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
- Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
- Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
- Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.
These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-04-29
China wholesaler Ltq Rubber Couplings Pin Coupling Flexible Pin and Bush Coupling Elastic Sleeve Couplings
Product Description
Jaw Coupling LTQ Type Rubber Pin Flexible Elastic Pin Bush Coupling Shaft Coupling
Description:
FCL coupling is widely used for its compact designing,easy installation,convenientmaintenance,small size and light weight.As long as the’relative displacement between shafts is kept within the specified tolerance,the coupling will operate the best function and a longer working life,thus it is greatly demanded in medium and minorpower transmission systems drive by moters,such as speed reducers,hoists,compressor,spining &weaving machines and ball mills,permittable relative displacement:Radial displacement 0.2-0.6mm ; Angel displacemente 0o30′–1o30′
Features:
1. Maintenance, a FCLcoupling doesn’t need maintenance.
2. Environmental, elastic components make FCL coupling applies to a variety of working conditions.
3. Reliable transmission, in case of elastic component is damaged, the coupling spider still keep the transmission processing reliably.
4. Economic, FCL couplings have already been made of optimization design,which make transmission power match the transmission shaft diameter.
5. Good recovery capacity, elastic components can reduce the load at the CHINAMFG moments, and the deviation is a major consideration when designing.
6. Adaptability of misalignment, FCL coupling contains parallel shift, angle shift and axis shift which happen some times.
Parameters:
Applications:
Conveyor: Belt conveyor.AFC conveyor.Chain conveyor.Screw conveyor.
Pump: Water pump, oil pump, slush pump,etc
Fan: Draft fan,fanner, boiler fan,etc
Excavator: Bucket excavator. Bucket wheel excavators.Bucket wheel stacker reclaimer.
Crane: Tower crane.Gantry crane.Bridge crane.
Others: Various elevators.Coal plough.Ball mill.Crusher.Recreation machine.Blender equipment.Centrifuger.Washer.Leather-making machine.
Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.
FAQ:
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.
Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.
Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Diagnosing and Troubleshooting Rubber Coupling Issues
Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:
- Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
- Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
- Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
- Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
- Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
- Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
- Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
- Comparative Analysis: Compare coupling behavior to baseline performance data.
If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Types of Rubber Couplings Designed for Specific Uses
There are several types of rubber couplings, each designed with specific characteristics to suit various applications:
- Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
- Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
- Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
- Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
- Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.
Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.


editor by CX 2024-04-29
China manufacturer Rubber Coupling for Construction Hoist Elevator
Product Description
Construction Machinery Flexible Spider Rubber Coupling For construction hoist elevator
Product Description
|
Model |
Rated Torque Tn |
Allowable Rotation Speed |
Bore Diameter d1 , d2 , dz |
Bore Length L, L1 |
Weight |
| N.m | r/min | mm | mm | kg | |
|
CLSJ50 |
28 |
15000 |
10-24 |
22-38 |
1.00 |
|
CLSJ70 |
112 |
11000 |
12-38 |
27-60 |
2.50 |
|
CLSJ85 |
160 |
9000 |
16-38 |
30-60 |
3.42 |
|
CLSJ105 |
355 |
7250 |
18-42 |
30-84 |
5.15 |
|
CLSJ125 |
450 |
6000 |
20-55 |
38-84 |
10.1 |
|
CLSJ145 |
710 |
5250 |
25-65 |
44-107 |
13.1 |
|
CLSJ170 |
1250 |
4500 |
30-85 |
60-132 |
21.2 |
|
CLSJ200 |
2000 |
3750 |
35-95 |
60-142 |
33.0 |
|
CLSJ230 |
3150 |
3250 |
40-95 |
84-142 |
45.5 |
|
CLSJ260 |
5000 |
3000 |
45-125 |
84-172 |
75.2 |
|
CLSJ300 |
7100 |
2500 |
60-140 |
108-172 |
99.2 |
|
CLSJ360 |
12500 |
2150 |
60-150 |
107-212 |
148.1 |
|
CLSJ400 |
14000 |
1900 |
80-160 |
132-242 |
197.5 |
why choose our product
Cheaper price than CHINAMFG brands, good quality.
FAQ
1. What are your main products?
We produce Construction Hoist (also called construction elevator, construction lift) and spare parts of it.
2. Are all Construction Hoist the same from all Vendors & Manufacturers?
Our High rise building construction hoist with VFD for lifting materials and passengers have exported to Europe, Middle and southern America, most of Asia, and some countries from Africa, about 50 countries. We can well match European standards, Russia standards and America standards. We have technology for develope new design ability and we support many customer with good solutions to solve their construction site special vertical access problems.
3. Do your products have some certificates?
Yes. Our Construction Hoist have passed CE ,ISO Certificates.
4. What are the payment terms and the delivery time?
Payment terms are T/T and LC. We will ship the cargo within 7-21 days after receiving the 30% deposit.
5. Are you manufacturer or the trader?
We are manufacturer with 17 years maker experiences, have advanced production line and inspection device. Our Research and development team have got many praise from customers.
6. Will you develop distributor and sole agent?
Yes, should you have any interest to be our distributor and agent, please let us know in any ways. Sole agent is available depend on the sales turnover.
7. Where do you ship to and what countries have you done business in?
We provide quick and efficient shipping to countries all over the world from HangZhou port or other China port.
We have done business with customers in many countries, such as Mexico, Brazil, Korea, Malaysia, Thailand, India, Vietnam, Indonesia, UAE, Qatar, Kuwait,Saudi Arabia etc.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings
A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.
The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:
- Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
- Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
- Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
- Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
- Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.
By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

Industry Standards and Guidelines for Rubber Couplings
There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:
- ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
- AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
- API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
- Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.
Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

Main Advantages of Using Rubber Couplings in Industrial Applications
Rubber couplings offer several key advantages when used in industrial applications. These advantages make them a popular choice for various industries and mechanical systems:
- Misalignment Tolerance: Rubber couplings can accommodate angular, parallel, and axial misalignments between connected shafts, reducing the need for precise alignment during installation and operation.
- Vibration Damping: The rubber elements of these couplings absorb and dampen vibrations, minimizing the transmission of vibrations and shocks to other components. This helps prevent damage, wear, and noise generation.
- Shock Absorption: In systems where sudden shocks or impacts occur, rubber couplings absorb and cushion the impact, protecting connected components from damage.
- Noise Reduction: The ability to dampen vibrations also contributes to noise reduction, creating quieter operation environments for machinery and equipment.
- Equipment Protection: Rubber couplings protect sensitive equipment from excessive loads, vibrations, and shocks, enhancing the longevity and reliability of the system.
- Cost-Effectiveness: Compared to some other coupling types, rubber couplings are generally cost-effective to manufacture, purchase, and maintain.
- Easy Installation: The flexibility and design of rubber couplings make them relatively easy to install without the need for specialized tools or complex procedures.
- Minimal Maintenance: Rubber couplings require minimal maintenance and lubrication, reducing downtime and maintenance costs.
- Wide Range of Applications: Rubber couplings are versatile and find applications in various industries, including automotive, power generation, pumps, conveyors, and more.
In summary, the main advantages of using rubber couplings in industrial applications include their ability to tolerate misalignment, dampen vibrations, absorb shocks, reduce noise, protect equipment, cost-effectiveness, easy installation, low maintenance requirements, and suitability for a wide range of applications.


editor by CX 2024-04-26
China best L Type L070 Flexible Coupling Jaw Coupling with Rubber Spider Elastomer
Product Description
Product Description
L type L070 Flexible Coupling Jaw Coupling with Rubber Spider Elastomer
Features of L curved jaw coupling:
1.Easy of inspection,easy maintenance
2.Can absorb vibration,parallel,angular and axial misalignments
3.Identical clockwise and anticlockwise rotational charateristics
4.Both ends material is iron, intermediate for rubber materials
5.Simple configuration, setscrew type,low price
6.Hole can be self-processing,easy facilitate
7.For step motor,screw, machine positioning system
Product Parameters
Packaging & Shipping
Packaging:
Chain+Plastic Bag+ Carton+Wooden case( If you have other requirements, we can customized according to customer requirements packaging. )
Shipping :
1.Most of the standard ones are in stock which we can send in 3-10 days after inspection and package.
2. Customized products delivery time should be determined according to the number.
Company Profile
About Mighty Machinery
ZheJiang Mighty Machinery Co., Ltd., specializes in manufacturing Mechanical Power Transmission Products. After over 13 years hard work, MIGHTY have already get the certificate of ISO9001:2000 and become a holding company for 3 manufacturing factories.
MIGHTY advantage
1, Abundant experience in the mechanical processing industries.
2,Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in time.
3,Now have 5 technical staff, we have strong capacity for design and process design, and more than 70 worker now work in our FTY and double shift eveyday.
4,Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
5,Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.
FAQ
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2:Do you provide samples ? is it free or extra ?
A: : Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.
Q3: How long is your delivery time?
A: Generally it is 10-15 days if the goods are in stock. or it is 7-25 days if the goods are not in stock, it is according to quantity.
Q4:How long is your warranty?
A: Our Warranty is 12 month.
Q5 :Do you have inspection procedures for coupling ?
A:100% self-inspection before packing
Q6. What’s your payment?
A:1) 100% T/T. 2) 30% in advance, others before shipment. 3) L/C Q7:Can I have a visit to your factory before the order? A: Sure,welcome to visit our factory.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Recent Advancements in Rubber Coupling Technology
In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:
- Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
- Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
- Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
- Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
- Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.
These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

Common Rubber Materials Used in Manufacturing Rubber Couplings
Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:
- Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
- Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
- Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
- EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
- Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.
The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-04-26
China Standard Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling
Product Description
Manufacturers Multiple Types/Size Flexible Coupling rubber shaft coupling 16AS for excavator coupling
Our main products:
steel cover lock, filter, oil grid, pump, cylinder head, crankshaft, camshaft, connecting rod, connecting rod bearing, valve, plunger, nozzle, exhaust valve, engine assembly, intake pump , fan blade, engine preheater, radiator, intake valve, main bearing, crankshaft bearing, nozzle, nozzle pipe, oil pump, piston, piston pin, piston ring, plunger, valve seat, thrust bearing, valve guide, valve Seats, valve seals, gasket sets, water pumps, turbochargers, generators, starters, sensors…
Please click here>>>>Contact us for more factory price,shipping and discounts
| ENGINE CUSHION | ||||||||||||||
| NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name |
| 1 | KLB-Q3001 | PC40 | 105*53*10 | ENGINE CUSHION | 15 | KLB-Q3015 | E312 FRONT |
95*28*16 | ENGINE CUSHION | 29 | KLB-Q3571 | SK230 | 90*45*21 | ENGINE CUSHION |
| 2 | KLB-Q3002 | PC120-6 4D102 | 82*46*18 | ENGINE CUSHION | 16 | KLB-Q3016 | EX312 REAR |
95*29*17 | ENGINE CUSHION | 30 | KLB-Q3030 | HD250 | 59*31*13 | ENGINE CUSHION |
| 3 | KLB-Q3003 | PC200-3 | 124*68*45 205-01-71111 |
ENGINE CUSHION | 17 | KLB-Q3017 | ZAX230 FRONT |
95*28*16 | ENGINE CUSHION | 31 | KLB-Q3031 | HD450 FRONT |
97*15*19 | ENGINE CUSHION |
| 4 | KLB-Q3004 | PC200-5/6 FRONT |
80*46*19 20Y-01-12210 |
ENGINE CUSHION | 18 | KLB-Q3018 | E320B | 110*40*22 | ENGINE CUSHION | 32 | KLB-Q3032 | HD450 REAR |
118*36*19 | ENGINE CUSHION |
| 5 | KLB-Q3005 | PC200-5 REAR |
130*73*25 20Y-01-12221 |
ENGINE CUSHION | 19 | KLB-Q3019 | E330B | 136*44*25 | ENGINE CUSHION | 33 | KLB-Q3033 | LS120 | 87*42*17 | ENGINE CUSHION |
| 6 | KLB-Q3006 | PC200-6 6D102 |
20Y-01-12222 | ENGINE CUSHION | 20 | KLB-Q3571 | DH220-3 FRONT |
68*70*12 | ENGINE CUSHION | 34 | KLB-Q3034 | LS280 FRONT |
86*23*16 | ENGINE CUSHION |
| 7 | KLB-Q3007 | EX200 | ENGINE CUSHION | 21 | KLB-Q3571 | DH220-3 REAR |
110*105*14 | ENGINE CUSHION | 35 | KLB-Q3035 | LS280 REAR |
96*25*16 | ENGINE CUSHION | |
| 8 | KLB-Q3008 | EX200-5 REAR |
167*110*14 | ENGINE CUSHION | 22 | KLB-Q3571 | DH220-5 | 104*74*19 | ENGINE CUSHION | 36 | KLB-Q3036 | SH60 SH65 |
120*110*12 | ENGINE CUSHION |
| 9 | KLB-Q3009 | EX200-6 REAR |
175*135*16 | ENGINE CUSHION | 23 | KLB-Q3571 | DH280 FRONT |
165*200*16 | ENGINE CUSHION | 37 | KLB-Q3037 | 6D22 FRONT |
70*35*21 | ENGINE CUSHION |
| 10 | KLB-Q3571 | EX200 FRONT |
120*155*14 | ENGINE CUSHION | 24 | KLB-Q3571 | DH280 REAR |
200*110*20 | ENGINE CUSHION | 38 | KLB-Q3038 | 6D22 REAR |
95*41*22 | ENGINE CUSHION |
| 11 | KLB-Q3011 | EX200 REAR |
165*105*14 | ENGINE CUSHION | 25 | KLB-Q3571 | SK60 FRONT |
98*103*12 | ENGINE CUSHION | 39 | KLB-Q3039 | DH55 FRONT |
100*48*17 | ENGINE CUSHION |
| 12 | KLB-Q3012 | EX200 | 126*100*11 | ENGINE CUSHION | 26 | KLB-Q3026 | SK60 REAR |
98*103*16 | ENGINE CUSHION | 40 | KLB-Q3040 | SH200A3 | 137*160*16 | ENGINE CUSHION |
| 13 | KLB-Q3013 | EX300 FRONT |
87*35*20 | ENGINE CUSHION | 27 | KLB-Q3571 | SK120 FRONT |
100*15*19 | ENGINE CUSHION | |||||
| 14 | KLB-Q3014 | EX300 REAR |
110*39*22 | ENGINE CUSHION | 28 | KLB-Q3571 | SK120 FEAR |
100*47*19 | ENGINE CUSHION | |||||
| COUPLING | ||||||||||||||
| NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name | NO. | LB NO. | Model | OEM NO. | Name |
| 1 | KLB-Q2001 | 25H 162*92 | COUPLING | 22 | KLB-Q2571 | 16A | 155*76 | COUPLING | 43 | KLB-Q2043 | S32S | 235*97 | COUPLING | |
| 2 | KLB-Q2002 | MS110 DH55 | 30H 195*105 | COUPLING | 23 | KLB-Q2571 | 16AS | 155*76 | COUPLING | 44 | KLB-Q2044 | S25S | 163*58 | COUPLING |
| 3 | KLB-Q2003 | 30H | 195*105 | COUPLING ASSY | 24 | KLB-Q2571 | 22A | 153*76 | COUPLING | 45 | KLB-Q2045 | E200B | 14T | COUPLING |
| 4 | KLB-Q2004 | EX200-2 | 40H 170*90 | COUPLING | 25 | KLB-Q2571 | 25A | 185*102 | COUPLING | 46 | KLB-Q2046 | 50AC | 14T 205*40 | COUPLING |
| 5 | KLB-Q2005 | 40H | 170*90 | COUPLING ASSY | 26 | KLB-Q2026 | 25AS | 185*102 | COUPLING | 47 | KLB-Q2047 | SH280 | COUPLING | |
| 6 | KLB-Q2006 | 45H | 183*92 | COUPLING | 27 | KLB-Q2571 | 28A | 178*93 | COUPLING | 48 | KLB-Q2048 | E200B 12T | COUPLING | |
| 7 | KLB-Q2007 | 45H | 183*92 | COUPLING ASSY | 28 | KLB-Q2571 | 28AS | 178*93 | COUPLING | 49 | KLB-Q2049 | 50AM 16T | 205*45 | COUPLING |
| 8 | KLB-Q2008 | 90H | 203*107 | COUPLING | 29 | KLB-Q2571 | 30A | 215*118 | COUPLING | 50 | KLB-Q2050 | SH200 | 14T 205*40 | COUPLING |
| 9 | KLB-Q2009 | 90H | 203*107 | COUPLING ASSY | 30 | KLB-Q2030 | 30AS | 215*118 | COUPLING | 51 | KLB-Q2051 | E330C | 350*145 | COUPLING |
| 10 | KLB-Q2571 | 50H | 195*110 | COUPLING | 31 | KLB-Q2031 | 50A | 205*108 | COUPLING | 52 | KLB-Q2052 | E330C | COUPLING | |
| 11 | KLB-Q2011 | 50H | 195*110 | COUPLING ASSY | 32 | KLB-Q2032 | 50AS | 205*108 | COUPLING | 53 | KLB-Q2053 | 168mm*48m 26T 3H | COUPLING | |
| 12 | KLB-Q2012 | 110H | 215*110 | COUPLING | 33 | KLB-Q2033 | 90A | 272*140 | COUPLING | 54 | KLB-Q2054 | 242mm*72mm 50T 8H | COUPLING | |
| 13 | KLB-Q2013 | 110H | 215*110 | COUPLING ASSY | 34 | KLB-Q2034 | 90AS | 272*140 | COUPLING | 55 | KLB-Q2055 | 295mm*161mm 48T 12H | COUPLING | |
| 14 | KLB-Q2014 | 140H | 245*125 | COUPLING | 35 | KLB-Q2035 | 140A | 262*132 | COUPLING | 56 | KLB-Q2056 | 352mm*161mm 48T 8H | COUPLING | |
| 15 | KLB-Q2015 | 140H | 245*125 | COUPLING ASSY | 36 | KLB-Q2036 | 140AS | 262*132 | COUPLING | 57 | KLB-Q2057 | 352mm*161mm 46T 8H | COUPLING | |
| 16 | KLB-Q2016 | 160H | 255*134 | COUPLING | 37 | KLB-Q2037 | E300B | 16T 278*54 | COUPLING | 58 | KLB-Q2058 | 318mm*72mm 50T 8H | COUPLING | |
| 17 | KLB-Q2017 | 160H | 255*134 | COUPLING ASSY | 38 | KLB-Q2038 | E450 | 16T 360*52 | COUPLING | 59 | KLB-Q2059 | 315mm 42T | COUPLING | |
| 18 | KLB-Q2018 | 4A | 104*53 | COUPLING | 39 | KLB-Q2039 | SH430 | 12T 205*35 | COUPLING | 60 | KLB-Q2060 | 268mm*100mm 42T 6H | COUPLING | |
| 19 | KLB-Q2019 | 4AS | 104*53 | COUPLING | 40 | KLB-Q2040 | SH200 | 14T 205*40 | COUPLING | 61 | KLB-Q2061 | 167mm*90mm 47T 3H | COUPLING | |
| 20 | KLB-Q2571 | 8A | 130*70 | COUPLING | 41 | KLB-Q2041 | 50ASM | 20T 205*40 | COUPLING | 62 | KLB-Q2062 | 182mm 42T | COUPLING | |
| 21 | KLB-Q2571 | 8AS | 130*70 | COUPLING | 42 | KLB-Q2042 | SH160(SH60) | 15T 173*22 | COUPLING | 63 | KLB-Q2063 | 220mm 46T | COUPLING | |
1Q:What is your brand?
1A:Our own brand: Mita Group and its range of excavator parts.
2Q:Do you have your own factory? Can we have a visit?
2A:Absolutely, you are alwayswelcome to visit our factory.
3Q:How do you control the quality of the products?
3A:Our factory was obtained the ISO9001CERTIFICATE.Every process of the production is strictly controlled. And all products will be inspected by QC before shipment.
4Q:How long is the delivery time?
4A:2 to 7 days for ex-stock orders. 15 to 30 days for production.
5Q:Can we print our company logo onproduct and package?
5A:Yes, but the quantity of the order is required. And we need you to offer the Trademark Authorization to us.
6Q:Can you provide OEM BRAND package?
6A:Sorry, we can only offer our company ACT BRAND package or neutral packing,blank package ifyou need, and the Buyers’ Brand as authorized.7Q:How long is the warranty period?7A:3 months /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Impact of Elastomer Element Design on Rubber Coupling Performance
The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:
- Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
- Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
- Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
- Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
- Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.
The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Role of Rubber Flexibility in Accommodating Misalignment
Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:
1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.
2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.
3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.
This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.
In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.


editor by CX 2024-04-26