Tag Archives: china coupling

China OEM Female Thread Swaged Hydraulic Rubber Hose Coupling

Product Description

Female Thread Swaged Hydraulic Rubber Hose Coupling 

Hydraulic hose fittings: 
Material: stainless steel, carbon steel, brass, etc 
Connection: Male/Female 
Surface Treatment: Trivalent Silver Zinc, Trivalent Yellow Zinc, Hexavalent Yellow Zinc, Chrome Plate, Electric-polish etc. 
Application: Automobile, Engineering Machinery, Lathe, Agriculture Machine, Mining, Spurting the Oil Paint, Metallurgy petroleum , Construction, Chemicals, Textile, Ships, Ocean, Military, Recreation, Electronics and so forth.

Our QC procedure:
As we had more than 5 professional and technical personal, they ensure 100% products checking.
1. Material checking: strictly control of material using, meet international requested standards;
2. semi-finished products inspection: product inspection before 100% finished ;
3. production line test: with work team or data engineer who will inspect matchines and lines at fixed period.
4. finished prodcuct inspection: quality and property test before products are plated zinc, packed and loaded.

Process Characteristics:
High quality carbon steel rigid embryo is selected and manufactured by special machine tool. Hot melt special equipment processing, and equipped with efficient cleaning agent, high flushing, high accuracy and cleanliness. There is no oxide layer after heat treatment. Fully meet the requirements of high temperature, high pressure, corrosion resistance and so on. 96 hours of salt spray test and sealant are used for galvanizing. Rustproof, anticorrosive, superior performance, delicate surface, beautiful color.

FAQ
Q1. What is your terms of packing?

A: Generally, we pack our hose in woven package, fittings in carton box. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?

A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?

A: Generally, it will take 10 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, the customers no need to pay the sample cost but need pay the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Shipping 

1. Orders will be dispatched around in 30 days after payment, depending on quantities.
2. We Always choose the most economical and reliable shipping company to make sure you receive the goods in time.
3. The tracking number will be provided to you once the consignment is shipped
4. Professional customer service to answer your questions or fix problems regarding your order.

Our Service
1. OEM Manufacturing welcome: Product, Package… 
2. Sample order 
3. We will reply you for your inquiry in 24 hours.
4. After sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.

We Sincerely Welcome Partners All Over The World To Visit Us For CHINAMFG Cooperation!

/* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China OEM Female Thread Swaged Hydraulic Rubber Hose Coupling  China OEM Female Thread Swaged Hydraulic Rubber Hose Coupling
editor by CX 2024-05-06

China Hot selling PU Coupling, PU Couplings, Rubber Couplings, Polyurethane Coupling, Rubber Coupling All Kinds of Color

Product Description

 

Detailed Photos

Related Products

 

 

Company Profile

 

 

Xingtal Chengzhi Seals Co, [td, founded in 2013, is located in Pingxlang County, Xingtal Clty, the rubber sealindustrilal belt. With a long historyof production, the factory covers an are a of 45 certlficatlon. In 2571, it also obtalned theSO9001: 2008 quality system certification. A professional management team, excellent technical talents, and experienced frontline employees have formed a capable team of rubber andplastic employces. “Consolidating, improving, developing, and surpassing” is our CHINAMFG pursult of sincere pople. We wll uphold the corporatephilosophy of”dedication, cooperation, passion, and innovation” and truly implement the policy of “quality first, customer first”. Strive tobecomme an internatjonal first-class component supoorting ente

Test Report

production workshop

FAQ

Q 1. What’s the payment term?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.

Q 2. What is the normal lead time for product orders?
A: Average lead times for prototype / first article are 1-2 weeks, if tooling is involved, lead time for production tooling is 10 days, average production time after sample approval is 2-3 weeks.

 
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.

 
Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 3000 tons rubber materials per month.

Q 5. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

Q 6. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

/* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Hot selling PU Coupling, PU Couplings, Rubber Couplings, Polyurethane Coupling, Rubber Coupling All Kinds of Color  China Hot selling PU Coupling, PU Couplings, Rubber Couplings, Polyurethane Coupling, Rubber Coupling All Kinds of Color
editor by CX 2024-05-03

China Custom 160mm PVC Pn16 Rubber Ring Joint Coupling for Water Supply

Product Description

Product Description

Two Faucet Rubber Ring Coupling
Standard: ISO4422, ISO1452, GBT10002
Size: 20mm~400mm
Fittings are 100% inspected before delivery to customers with100% virgin material.

Spec D ( mm ) Size
L
Φ63 156
Φ75 170
Φ90 235
Φ110 266
Φ160 310
Φ200 338
Φ225 360
Φ250 385
Φ315 460
Φ355 460

Other Product Recommendations

 

Company Profile

 

HangZhou CHINAMFG Plastic Co., Ltd is a professional supplier of UPVC/CPVC/PE/PPR Pipes, pipe fittings, valves. Plastic piping systems such as pipes, fittings and valves is widely used in water supply, chemical industry, water treatment, environmental protection, pharmaceutical area etc.
We insist in the principal of “”Quality First, Clients First”. Your satisfaction is our CHINAMFG pursuit. We Strictly follows ISO9001 quality system to arrange manufacturing. With high-class raw material, strict quality control in both the workshop and laboratory with various professional testing equipment, CHINAMFG Plastic ensures that every single product meets the corresponding inspection standard.
 

  /* 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

rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. 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.

rubber coupling

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.

rubber coupling

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.

China Custom 160mm PVC Pn16 Rubber Ring Joint Coupling for Water Supply  China Custom 160mm PVC Pn16 Rubber Ring Joint Coupling for Water Supply
editor by CX 2024-05-03

China wholesaler 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

rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. 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.

rubber coupling

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.

rubber coupling

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.

China wholesaler Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling  China wholesaler Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling
editor by CX 2024-05-03

China Professional CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining

Product Description

Newest High-Speed Resilient Rubber Tyre Coupling

The LLB Flexible Tyre Coupling is a kind of high elastic coupling, with good damping buffer and superior offset compensation performance.
The working temperature of 20~80 degrees Celsius, transmitting torque 10~20000NM, suitable for damp, dust, shock, vibration, reversing the changeable and frequent starting working conditions, and convenient assembly and disassembly, no lubrication, durable and reliable. Non standard couplings are made in accordance with special needs. In overloading work and half coupling, there will be no malignant accidents.
 

Advantages:

  1. Excellent absorbency;
  2. Disassembly;
  3. No lubrication;
  4. Easy maintenance;
  5. Long lasting;

LLB Type Tyre Coupling Main Dimension And Parameter

Type Main dimension Number of screws
Md×L 
Shaft hole diameter
d dz
Shaft hole length Allowable
Torque
Allowable
Speed
Rotary inertia Mass
D D1 H   L Tn (n) kg·m2 kg
Y J1 Z1 N·m r/min
LLB1 60 20 26 12-M4×12 6-11 16-25 10 5000 0.0003 0.4
LLB2 100 36 32/37 12-M6×18 10-19 25-42 50 5000 0.0035 1.5
LLB3 120 44 39 12-M8×20 16-24 30-52 100 4000 0.01 2.2
LLB4 140 50 45 12-M10×20 22-35 38-82 160 3150 0.571 3.1
LLB5 160 60 51 12-M10×22 25-38 44-82 224 2800 0.031 5
LLB6 185 70 58 12-M12×25 30-45 60-112 315 2500 0.07 8.1
LLB7 220 85 68 12-M12×28 35-50 60-112 500 2000 0.15 13
LLB8 265 110 82 12-M12×32 40-56 84-142 800 1600 0.30 22
LLB9 310 120 106 12-M16×40 45-71 84-142 1250 1250 0.75 35
LLB10 400 150 124 12-M20×50 60-85 107-172 1600 1800 2.2 69
LLB11 445 190 140 12-M20×56 80-120 132-212 2250 1600 4.4 110
LLB12 550 238 172 16-M24×71 100-150 167-252 5000 1200 14 190
LLB13 700 318 220 24-M24×71 130-100 202-352 1000 1000 38 340

Note:Z1 type shaft hole can not be used at both ends of half couplings.

Product Show:

Our Services:

1. Design Services
Our design team has experience in tire coupling relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

 

 

FAQ
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of cardan shafts.

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: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have a very good price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China /* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Professional CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining  China Professional CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining
editor by CX 2024-05-03

China factory Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex

Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

Product Display:                                                                                                                                                        
 

 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

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rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China factory Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex  China factory Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-05-02

China Standard JIS 10K Standard 8 Inch Galvanized Flexible Rubber Coupling with Flange

Product Description

JIS 10K standard 8 inch galvanized flexible rubber coupling with flange

Product Description

Rubber expansion joints consist of inner and outer rubber, cord layer and traveler, which are vulcanized and then combined with metal flanges or loose sleeves of parallel joints. This product can
reduce vibration and noise, and compensate thermal expansion and contraction caused by temperature change. It is widely used in various pipeline systems.
 
 

Feature

A. Small size,light weight,good elasticity,easy to install.

B.  It can absorb lateral,axial and angular displacement caused by pipe vibration after installation,and is not limited by pipe’s non-concentric and non-parallel flange.

C. When working,the structure can be reduce noise transmission and strong vibration absorption ability.
 

Detailed Photos

 

Packaging

 

 

Application

Water, Sea Water, Fresh Water, Warm Water, Weak Acid Fluid, Soda Fluid, etc.

 

Company Profile

 

  /* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Standard JIS 10K Standard 8 Inch Galvanized Flexible Rubber Coupling with Flange  China Standard JIS 10K Standard 8 Inch Galvanized Flexible Rubber Coupling with Flange
editor by CX 2024-05-02

China manufacturer Aluminum Alloy Gfc-40X66 Coupling Shaft Flexible Rubber Flexible Coupling

Product Description

Aluminum Alloy GFC-40X66 Coupling Shaft Flexible Rubber Flexible Coupling

 

Aluminum Alloy GFC-40X66 Coupling Shaft Flexible Rubber Flexible Coupling

 

model parameter common bore diameter d1,d2 ΦD L LF LP F M tightening screw torque
(N.M)
GFC-14X22 3,4,5,6,6.35 14 22 14.3 6.6 5.0 M2.5 1.0
GFC-20×25 3,4,5,6,6.35,7,8,9,9.525,10 20 25 16.7 8.6 5.9 M3 1.5
GFC-20X30 3,4,5,6,6.35,7,8,9,9.525,10 20 30 19.25 8.6 5.9 M3 1.5
GFC-25X30 4,5,6,6.35,7,8,9,9.525,10,11,12 25 30 20.82 11.6 8.5 M4 2.5
GFC-25X34 4,5,6,6.35,7,8,9,9.525,10,11,12 25 34 22.82 11.6 8.5 M4 2.5
GFC-30×35 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 35 23 11.5 10 M4 2.5
GFC-30X40 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 40 25 11.5 10 M4 2.5
GFC-40X50 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 50 32.1 14.5 14 M5 7
GFC-40X55 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 55 34.5 14.5 14 M5 7
GFC-40X66 6,8,910,11,12,12.7,14,15,16,17,18,19,20,22,24 40 66 40 14.5 14 M5 7
GFC-55X49 10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 49 32 16.1 13.5 M6 12
GFC-55X78 8,10,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 78 46.4 16.1 19 M6 12
GFC-65X80 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 80 48.5 17.3 14 M8 20
GFC-65X90 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 90 53.5 17.3 22.5 M8 20
GFC-80X114 19,20,22,24,25,28,30,32,35,38,40,42,45 80 114 68 22.5 16 M8 20
GFC-95X126 19,20,22,24,25,28,30,32,35,38,40,42,45,50,55 95 126 74.5 24 18 M10 30

 

model parameter Rated torque
(N.M)*
allowable eccentricity
(mm)*
allowable deflection angle
(°)*
allowable axial deviation
(mm)*
maximum speed
rpm
static torsional stiffness
(N.M/rad)
moment of inertia
(Kg.M2)
Material of shaft sleeve Material of shrapnel surface treatment weight
(g)
GFC-14X22 5.0 0.1 1 ±02 10000 50 1.0×10-6 High strength aluminum alloy Polyurethane imported from Germany Anodizing treatment 10
GFC-20X25 5.0 0.1 1 ±02 10000 50 1.0×10-6 15
GFC-20X30 5.0 0.1 1 ^02 10000 53 1.1×10-6 19
GFC-25X30 10 0.1 1   10000 90 5.2X10-6 33
GFC-25X34 10 0.1 1 £)2 10000 90 5.2×10-6 42
GFC-30X35 12.5 0.1 1 ±02 10000 123 6.2×10-6 50
GFC-30×40 12.5 0.1 1 102 10000 123 6.2×10-6 60
GFC-40X50 17 0.1 1   8000 1100 3.8×10-5 115
GFC-40X55 17 0.1 1 ±02 8000 1100 3.8×10-5 127
GFC-40X66 17 0.1 1   7000 1140 3.9×10-5 154
GFC-55X49 45 0.1 1 ±02 6500 2350 1.6×10-3 241
GFC-55X78 45 0.1 1 102 6000 2500 1.6×10-3 341
GFC-65X80 108 0.1 1 ±02 5500 4500 3.8×10-3 433
GFC-65X90 108 0.1 1 ±02 5500 4800 3.8×10-3 583
GFC-80X114 145 0.1 1 £)2 4500 5000 1.8×10-3 1650
GFC-95X126 250 0.1 1 ±02 4000 5000 2.0×10-3 1000

 

  /* 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

rubber coupling

Durometer Hardness in Rubber Coupling Materials

Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.

The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.

In relation to rubber couplings:

  • Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
  • Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.

The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.

rubber coupling

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.

rubber coupling

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.

China manufacturer Aluminum Alloy Gfc-40X66 Coupling Shaft Flexible Rubber Flexible Coupling  China manufacturer Aluminum Alloy Gfc-40X66 Coupling Shaft Flexible Rubber Flexible Coupling
editor by CX 2024-05-02

China Best Sales High Quality Rubber Shaft Tyre Flexible Coupling for Mechanical Equipment Tyre Coupling with Flange

Product Description

High quality Rubber Shaft Tyre flexible Coupling For mechanical equipment

Advantages:
1. Easy to maintain, no need the tooled can install 
2. Can undertake high torque 
3. Have the good buffer
4. Flexibility, large damping, large compensation dosage

Features:
1. Plastic components( tyres) and metal plates made into a whole by sulfur and felting. Connecting the 2 half-coupling directly by bolts when installing.
2. Flexibility, large damping, large  compensation dosage.
3. Simple designing ,easy for assembling and disassembling. The tyres can be replaced without moving 2 half-coupling.
4. Disadvantage, large axial power will be brought on the driven end as the rotate angle increasing.

Paramters:

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.
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rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Best Sales High Quality Rubber Shaft Tyre Flexible Coupling for Mechanical Equipment Tyre Coupling with Flange  China Best Sales High Quality Rubber Shaft Tyre Flexible Coupling for Mechanical Equipment Tyre Coupling with Flange
editor by CX 2024-05-02

China Best Sales 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor

Product Description

Product presentation

16040761+ last 6 months only Alibaba , this is the first in all of the compressor spare parts and filter company in China(offical data from Alibaba )

2. Business level is 3 Diamonds , this is first in all of the compressor spare parts and
filter company in China(offical data from Alibaba )

3. We got the most of praise of good seller in the Alibaba , 13 years specialized compressor filter and 8 years spare parts production and export to more than 120 countries, the number of praise from client is first in all of the compressor spare parts and filter company in China(offical data from Alibaba )

4 . Alibaba provide USD 26000 payment value guarantee for client , it means if our goods have any quality problem , Alibaba will provide MAX USD 26000 compensation to you .

 

More than 14 years , we establish thorough Sales network in China , won the excellent reputation .At the same time we start from the company export business in 2013 and have rapid development ,now exported more than 10 years ,won the appreciation of customers more than 70 Countries .

FAQ

1.Price:
All prices and terms are quoted in US Dollar under FOB HangZhou or CIF your country port , and the price available for 1 months.
2. Minimum Order Quantity:
Each item has a minimum order quantity, which would be stated in our quote sheet. Assorted items would be negotiable.
3.Delivery Lead Time:
If there have stocks, the lead time is about 1 week after we get the payment, if need producing ,7 days after we get the prepay CHINAMFG request.
4. Payment Terms:
T/T , Western Union , PayPal .

 
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rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Best Sales 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor  China Best Sales 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor
editor by CX 2024-04-30