Product Description
Product Description
Product Parameters
| product | Nm148 Elastic Shaft Torsional Rubber HRC Coupling for 3D printing equipment |
| material | stainless steel , iron , aluminum ,bronze ,carbon steel ,brass etc . |
| size | ISO standard ,customer requirements |
| BORE | Finished bore, Pilot Bore, Special request |
| surface treatment | Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering |
| Processing Method | Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Package | Wooden Case/Container and pallet, or made-to-order |
| Certificate | ISO9001 ,SGS |
| Machining Process | Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping |
| Applications | Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc. |
| Testing Equipment | Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments |
workshop & equipment
Production process
Certifications
Our Advantages
1 . Prioritized Quality
2 .Integrity-based Management
3 .Service Orientation
4 .150+ advanced equipment
5 .10000+ square meter factory area
6 .200+ outstanding employees
7 .90% employees have more than 10 year- working experience in our factory
8 .36 technical staff
9 .certificate ISO 9001 , SGS
10 . Customization support
11 .Excellent after-sales service
shipping
sample orders delivery time:
10-15 working days as usual
15-20 working days in busy season
large order leading time :
20-30 working days as usual
30-40 working days in busy season
FAQ
1. why should you buy products from us not from other suppliers?
We are a 32 year-experience manufacturer on making the gear, specializing in manufacturing varieties of gears, such as helical gear ,bevel gear ,spur gear and grinding gear, gear shaft, timing pulley, rack, , timing pulley and other transmission parts . There are 150+ advanced equipment ,200+ excellent employees ,and 36 technical staff . what’s more ,we have got ISO9001 and SGS certificate .
2 .Do you accept small order?
If your order bearings are our standard size, we accept even 1pcs.
3 .How long is the delivery?
A: Small orders usually takes 10-15 working days,big order usually 20-35 days, depending on orders quantity and whether are standard size.
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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.

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.

Utilization of Rubber Couplings in Mechanical Systems
A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:
- Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
- Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
- Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
- Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
- Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
- Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
- Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.
In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.


editor by CX 2024-05-16
China CHBG diameter 30 length 50 High precision plum flexible shaft couplings coupling contractions
Guarantee: 1 a long time
Applicable Industries: Producing Plant, Machinery Repair Retailers, Retail
Personalized help: OEM, ODM, OBM
Construction: Jaw / Spider
Versatile or Rigid: Adaptable
Regular or Nonstandard: Standard
Materials: Aluminium
Certification: ROHS CE
Organization kind: Manufactor
Surface area Remedy: Difficult anodizing
Keyway: Can be customized
exterior diamater: OD30mm Minimal Price tag Inexpensive NMRV Collection Automatic Gearbox Transmission Nmrv Shaft Mounted Gearbox With Flange L50mm
Bore Diameter(d1~d2): 8mm-20mm
Charge torque: 6.5N.m
Tightening program: clamp / established screw
Merchandise name: Jaw type plum coupling
Packaging Information: Carton with ziplock plastic bag for CHBG High Pace Rotating Air Compressor Universal Coupling
CHBG bellows huge torque elastic coupling
Certifications
Positive aspects:
| Challenging anodizing to prevent corrosion and oxidation. Content of elastomer is from Bayer Germany Our bore and jaws are one-time formed getting greater eccentricity Can customize keyway if you need Totally computerized mechanical manufacturing Take customization Accept OEM |
| modeel | D(mm) | d1-d2(mm) | Mounting screws(M) | Quantity of screws(pcs) | L(mm) | L1(mm) | L2(mm) | L3(mm) | Screw tightening torque(n.m) | |
| Minimal aperture | Maximum aperture | |||||||||
| LF-D-D14L22 (2jaw) | fourteen | three | six.35 | M3 | 2 | 22 | 14 | eight | 3.five | two.one |
| LF-B-D14L22 (2jaw) | 14 | three | 6.35 | M2.5 | 2 | 22 | fourteen | eight | 3.5 | 1.one |
| LF-B-D20L25(2jaw) | twenty | four | ten | M3 | two | twenty five | sixteen.5 | 9.four | three.nine | two.one |
| LF-B-D20L30(2jaw) | 20 | four | 10 | M3 | two | thirty | 19 | nine.4 | 5.15 | two.one |
| LF-B-D25L30((2jaw) | twenty five | 5 | 14 | M3 | two | 30 | twenty | 11.5 | 4.6 | 2.1 |
| LF-B-D25L35((2jaw) | 25 | five | fourteen | M3 | 2 | 35 | 22.five | 11.5 | six | 2.1 |
| LF-B-D30L35(2jaw) | thirty | six | sixteen | M4 | two | 35 | 22.5 | eleven.five | 6 | four.nine |
| LF-B-D30L35(2jaw) | thirty | 6 | 16 | M4 | 2 | 35 | 22.five | thirteen | 5.5 | 4.9 |
| LF-B-D30L40(2jaw) | 30 | 6 | sixteen | M4 | two | 40 | twenty five | thirteen | seven | four.9 |
| LF-B-D30L40(3jaw) | 30 | 6 | sixteen | M4 | two | 40 | 25 | 13 | 6.seventy five | four.nine |
| LF-B-D30L50(3jaw) | 30 | 6 | sixteen | M4 | 2 | 50 | 30 | 13 | 6.25 | four.9 |
| LF-B-D35L40(3jaw) | 35 | 8 | twenty | M4 | two | forty | twenty five.five | thirteen.five | seven | 4.9 |
| LF-B-D35L50(3jaw) | 35 | 8 | 20 | M4 | two | fifty | 30.five | 13 | six.five | 4.9 |
| LF-B-D35L60(3jaw) | 35 | 8 | twenty | M4 | two | 60 | 35.5 | 13 | six.5 | four.9 |
| LF-B-D40L38(3jaw) | 40 | 8 | 22 | M5 | 2 | 38 | twenty five | fifteen | 5.seven | ten |
| LF-B-D40L50(3jaw) | forty | eight | 22 | M5 | two | 50 | 31 | fifteen | eight.seven | 10 |
| LF-B-D40L55(3jaw) | 40 | eight | 22 | M5 | two | 55 | 33.5 | 15 | seven | 10 |
| LF-B-D40L66(3jaw) | forty | 8 | 22 | M5 | 2 | sixty six | 39 | fifteen | 8 | ten |
| LF-B-D40L78(3jaw) | forty | 8 | 22 | M5 | 4 | 78 | 45 | fifteen | 9 | ten |
| LF-B-D45L66(3jaw) | forty five | ten | twenty five | M5 | 2 | 66 | 39.five | sixteen | 8 | 10 |
| LF-B-D45L78(3jaw) | forty five | ten | 25 | M5 | four | 78 | 45.5 | sixteen | eight.five | 10 |
| LF-B-D55L66(4jaw) | fifty five | 12 | thirty | M6 | 2 | 66 | 40 | 16 | eight.5 | 17 |
| LF-B-D55L78(4jaw) | 55 | twelve | thirty | M6 | two | 78 | 46 | 16 | 8.5 | 17 |
| LF-B-D65L90(4jaw) | 65 | fourteen | 38 | M8 | 2 | 90 | 52.five | 19 | 10.5 | forty four |
| LF-B-D80L115(4jaw) | 80 | sixteen | 45 | M8 | two | 115 | sixty six.five | 22 | 12.five | forty four |
| LF-B-D95L126(4jaw) | 95 | 18 | 55 | M10 | four | 126 | 73 | 24.five | 13 | ninety |
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Functions and Modifications of Couplings
A coupling is a mechanical device that connects two shafts and transmits power. Its main purpose is to join two rotating pieces of equipment together, and it can also be used to allow some end movement or misalignment. There are many different types of couplings, each serving a specific purpose.
Functions
Functions of coupling are useful tools to study the dynamical interaction of systems. These functions have a wide range of applications, ranging from electrochemical processes to climate processes. The research being conducted on these functions is highly interdisciplinary, and experts from different fields are contributing to this issue. As such, this issue will be of interest to scientists and engineers in many fields, including electrical engineering, physics, and mathematics.
To ensure the proper coupling of data, coupling software must perform many essential functions. These include time interpolation and timing, and data exchange between the appropriate nodes. It should also guarantee that the time step of each model is divisible by the data exchange interval. This will ensure that the data exchange occurs at the proper times.
In addition to transferring power, couplings are also used in machinery. In general, couplings are used to join two rotating pieces. However, they can also have other functions, including compensating for misalignment, dampening axial motion, and absorbing shock. These functions determine the coupling type required.
The coupling strength can also be varied. For example, the strength of the coupling can change from negative to positive. This can affect the mode splitting width. Additionally, coupling strength is affected by fabrication imperfections. The strength of coupling can be controlled with laser non-thermal oxidation and water micro-infiltration, but these methods have limitations and are not reversible. Thus, the precise control of coupling strength remains a major challenge.
Applications
Couplings transmit power from a driver to the driven piece of equipment. The driver can be an electric motor, steam turbine, gearbox, fan, or pump. A coupling is often the weak link in a pump assembly, but replacing it is less expensive than replacing a sheared shaft.
Coupling functions have wide applications, including biomedical and electrical engineering. In this book, we review some of the most important developments and applications of coupling functions in these fields. We also discuss the future of the field and the implications of these discoveries. This is a comprehensive review of recent advances in coupling functions, and will help guide future research.
Adaptable couplings are another type of coupling. They are made up of a male and female spline in a polymeric material. They can be mounted using traditional keys, keyways, or taper bushings. For applications that require reversal, however, keyless couplings are preferable. Consider your process speed, maximum load capacity, and torque when choosing an adaptable coupling.
Coupling reactions are also used to make pharmaceutical products. These chemical reactions usually involve the joining of two chemical species. In most cases, a metal catalyst is used. The Ullmann reaction, for instance, is an important example of a hetero-coupling reaction. This reaction involves an organic halide with an organometallic compound. The result is a compound with the general formula R-M-R. Another important coupling reaction involves the Suzuki coupling, which unites two chemical species.
In engineering, couplings are mechanical devices that connect two shafts. Couplings are important because they enable the power to be transmitted from one end to the other without allowing a shaft to separate during operation. They also reduce maintenance time. Proper selection, installation, and maintenance, will reduce the amount of time needed to repair a coupling.
Maintenance
Maintenance of couplings is an important part of the lifecycle of your equipment. It’s important to ensure proper alignment and lubrication to keep them running smoothly. Inspecting your equipment for signs of wear can help you identify problems before they cause downtime. For instance, improper alignment can lead to uneven wear of the coupling’s hubs and grids. It can also cause the coupling to bind when you rotate the shaft manually. Proper maintenance will extend the life of your coupling.
Couplings should be inspected frequently and thoroughly. Inspections should go beyond alignment checks to identify problems and recommend appropriate repairs or replacements. Proper lubrication is important to protect the coupling from damage and can be easily identified using thermography or vibration analysis. In addition to lubrication, a coupling that lacks lubrication may require gaskets or sealing rings.
Proper maintenance of couplings will extend the life of the coupling by minimizing the likelihood of breakdowns. Proper maintenance will help you save money and time on repairs. A well-maintained coupling can be a valuable asset for your equipment and can increase productivity. By following the recommendations provided by your manufacturer, you can make sure your equipment is operating at peak performance.
Proper alignment and maintenance are critical for flexible couplings. Proper coupling alignment will maximize the life of your equipment. If you have a poorly aligned coupling, it may cause other components to fail. In some cases, this could result in costly downtime and increased costs for the company.
Proper maintenance of couplings should be done regularly to minimize costs and prevent downtime. Performing periodic inspections and lubrication will help you keep your equipment in top working order. In addition to the alignment and lubrication, you should also inspect the inside components for wear and alignment issues. If your coupling’s lubrication is not sufficient, it may lead to hardening and cracking. In addition, it’s possible to develop leaks that could cause damage.
Modifications
The aim of this paper is to investigate the effects of coupling modifications. It shows that such modifications can adversely affect the performance of the coupling mechanism. Moreover, the modifications can be predicted using chemical physics methods. The results presented here are not exhaustive and further research is needed to understand the effects of such coupling modifications.
The modifications to coupling involve nonlinear structural modifications. Four examples of such modifications are presented. Each is illustrated with example applications. Then, the results are verified through experimental and simulated case studies. The proposed methods are applicable to large and complex structures. They are applicable to a variety of engineering systems, including nonlinear systems.

editor by czh 2023-02-22