Product Description

Transmission Asserories

Coupings

Roller Chain Couplings

 

FEATURES
Manufactured according to relevant industrial standards 
Available in many sizes, ratings, and product types, including flexible shaft couplings and OK couplings 
Fabricated from a variety of high-grade steel 

BENEFITS
Several surface treatment processes protect against corrosion  
Customized products are available 
Large couplings withstand very high torque 
Flexible shaft couplings compensate for shaft misalignment

With more than 10 years in the power transmission industry, we are committed to the ongoing development and advancement of our products and services. Our focus on innovation is reflected in our continuously upgraded and modernized facilities, which allow us to meet the evolving needs of the market. Our state-of-the-art power transmission technology includes a selection of roller chain couplings that are ideal for a broad range of coupling applications. Our chain couplings are engineered to excel in any application you need, with exceptional flexibility, strength, and a surprisingly simple assembly.

ABOUT ROLLER CHAIN COUPLINGS
A roller chain coupling is a mechanical device composed of a double-strand roller chain and 2 modified sprockets. The design is simple and highly effective, despite its small size, and is composed of a robust chain and specially cut, hardened-tooth sprockets that allow a high amount of torque to be transmitted.

BENEFITS OF GIL’S ROLLER CHAIN COUPLINGS
COMPACT AND POWERFUL
In a roller chain coupling, torque is distributed across the combined mating surfaces of each of the chain and sprocket pitches, which allows the coupling to handle a high amount of torque for its size. The chain connects closely with the sprockets, for a highly compact and lightweight coupling that transmits torque with the utmost efficiency.

SAFE AND SMART
Our compact roller chain couplings are housed in an aluminum casing that clamps to the sprocket hubs and rotates with the body of the coupling without the need for bolts or other projections. The coupling chain itself is easy to install and remove using a single connecting pin, so you save on installation labor and downtime.

EASY ALIGNMENT
When working with shafts in a drive, traditional rigid couplings require extremely precise alignment between the coupled shafts. Roller chain couplings introduce much-needed flexibility with clearances both in the chain and between the chain and sprocket teeth. With this added mobility, even with minor misalignment, chain couplings can operate in a smooth and responsive manner, reducing the potential for overheating and wear common in more rigid coupling designs. The operation of roller chain couplings is less affected by unavoidable shaft expansion and contraction. The flexibility and easy alignment of the drive shafts, when using chain couplings, will save time and money on equipment repairs and replacements.

HOW TO INSTALL A ROLLER CHAIN COUPLING
Install oil seal to each hub
Adjust the alignment of the shafts and coupling components
Adjust the distance between the sprocket faces
Thoroughly lubricate the coupling chain
Install chain to couplings using a single-pin connecting link
Firmly close and fasten the cover of the coupling (optional, depending on operating conditions)

CHOOSE GIL FOR YOUR POWER TRANSMISSION NEEDS
To ensure optimal operation of low- or medium-speed, high-torque transmission applications, install GIL’s roller chain couplings. At GIL, we pride ourselves on providing the latest in power transmission technology. Our broad global presence allows us to serve customers almost anywhere in the world quickly and effectively.
 

Granville

Granville bearing manufacturer in the production of electric motor grade deep groove ball bearings, the company is committed to developing all kinds of precision radial ball bearings with an inner diameter of 2mm-100mm.

The factory covers an area of 58000 square meters, the company has advanced assembly lines and a perfect quality testing center. After more than 10 years of management and innovation, with more than 120 automatic production lines, various kinds of testing, and inspection instruments, with the annual production capacity of 160 million sets of reliable high precision quality bearings.
The comprehensive application of automation production lines is a premise to ensure product’s stable quality, what’s more, it is a mark that the enterprises improve to digital management modern high-tech manufacturer.

Seiko quality, the pursuit of excellence: the control and improvement of quality is the constant pursuit of Granville, in strict accordance with the system of the provisions of the quality of each process.
 

We strictly follow the core of quality management process control:

APQP: product quality advance plHangZhou
SPC: Statistical process control
MSA: Measurement system analysis
FMEA: Analysis of potential failure modes and consequences
PPAP: Production part approval procedure

In the factory testing laboratories, various bearing parts are examined in detail. The factory has its own professional bearing life tester, after bearing life and durability test, our bearings have the advantages of long service life, and high durability. We are keeping an introduction of the latest measurement and testing equipment. Quality procedures are based on extensive, repeatedly carried out product tests – both before inclusion in the range and after.

We manufacturing:

The Granville manufacturer takes her every effort in purchasing the most advanced bearing process equipment, automatic facilities are widely used in the factory and we keep investing to improve more.

Levels Applications Materials

We manufacture CHINAMFG bearings, the advantage in manufacturing electric motor quality deep groove ball bearings up to ABEC-3, Z3-V3, ABEC-5 Z4-V4 level; A reliable production resource of high-quality repair parts for the CHINAMFG operations of automotive and light truck manufacturers worldwide, over 1000 kits includes hub assemblies and 3 generations of wheel bearing designs; Granville foundry makes an extensive and full line of mounted bearing units and housings in industry-standard and custom configurations. Casting iron, ductile iron, stainless steel, and plastic materials are available.

Partnerships Reliable Supply-Chain:

Based on our experienced team and strict, effective supply chain management, Granville products deliver premium quality, and performance our customers have relied on for years. From a full range of bearings, mounted bearing units, power transmission products, and related markets around the world, we provide the industry’s most comprehensive range of qualified products available today.

Advantage Manufacturing Processesand Quality Control:

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

 

Q&A

*Could you make a brief introduction to your all series of products?
Yes, we stock and sell factory-warrantied mechanical, electrical, and fluid-driven equipment such as bearings, belts, drives, motors, gears, couplings, clutches and brakes, linear motion, and hydraulics and pneumatics.

*How about your sales group?
At Granville, we understand a competent team makes your job easier, so we have established a group of employees who represent our resourcefulness and commitment to working hard to make sure your unique challenges are handled right the first time.

*What’s your solutions for maximizing customers’ benefits?
Our goal is to have your stock requirements on-hand when you need them. Through our storeroom surveys, in-depth communication, and usage analysis, we can reduce your organization’s inventory cost, supply room costs, and turn-around time.

*What’s your shipping document and documents of payment?
Our usual practice is FOB ZheJiang & T/T, and we could adjust them for your requirements.

*What’s the most convenient way to get your free quotation?
Please contact Stacy with your requirements (or Copy the contents of the table and fill in it with your information)

RFQ for Free

Company Name:

Name: Mr./Mrs./Miss

Email:

Bearing No. :

Quantity:

More Details:

{Hi, this is Stacy, tailored solutions will be sent to you with your message 🙂

 

How does the chain size affect the performance of a chain coupling?

The chain size has a significant impact on the performance of a chain coupling. The size of the chain refers to the physical dimensions of the roller chain used in the coupling, including the pitch, roller diameter, and width. Here are some key ways in which the chain size affects the performance of a chain coupling:

• Torque Capacity: The chain size directly affects the torque capacity of the chain coupling. Larger chain sizes are generally capable of transmitting higher torque loads due to their increased contact area and greater strength. Smaller chain sizes, on the other hand, have lower torque capacities and are suitable for applications with lighter torque requirements.
• Speed Capability: The chain size also influences the speed capability of the chain coupling. Larger chains can typically handle higher rotational speeds without experiencing issues such as excessive vibration or centrifugal forces. Smaller chain sizes may have limitations in terms of maximum allowable speeds and may not be suitable for high-speed applications.
• Service Life: The selection of an appropriate chain size is crucial for achieving the desired service life of the chain coupling. If the chain is undersized for the application, it may experience premature wear, fatigue, and ultimately fail under the operating conditions. Conversely, using an oversized chain may result in unnecessary costs, increased weight, and reduced efficiency.
• Space Constraints: The physical size of the chain can also impact the overall dimensions and installation requirements of the chain coupling. Larger chain sizes may require more space for proper installation, including clearance for the chain links and sprockets. In applications with limited space, choosing a smaller chain size may be necessary to ensure proper fit and operation.
• Compatibility: The chain size should be compatible with the sprockets and other components of the chain coupling. It is important to ensure that the chain and sprockets are designed to work together, with matching dimensions and tooth profiles. Using an incompatible chain size can lead to poor engagement, increased wear, and reduced overall performance.

When selecting the appropriate chain size for a chain coupling, it is essential to consider the specific requirements of the application, including torque, speed, space limitations, and compatibility with other components. Consulting the manufacturer’s recommendations and guidelines is crucial to ensure the optimal chain size selection for the desired performance, reliability, and longevity of the chain coupling.

What are the maintenance requirements for chain couplings?

Maintaining chain couplings is essential for their reliable and efficient operation over time. Regular maintenance helps prevent premature wear, reduces the risk of unexpected failures, and prolongs the lifespan of the coupling. Here are some key maintenance requirements for chain couplings:

• Lubrication: Proper lubrication is crucial for the smooth operation of chain couplings. Regularly lubricate the roller chain and sprockets with the recommended lubricant. Follow the manufacturer’s guidelines regarding the type of lubricant to use and the frequency of lubrication. Lubrication helps reduce friction, wear, and noise, and it extends the service life of the coupling.
• Inspection: Regularly inspect the chain coupling for signs of wear, damage, or misalignment. Check the sprockets, roller chain, connecting pins, and bushings or bearings for any abnormalities. Look for worn teeth, elongation of the roller chain, loose or missing fasteners, and excessive play in the coupling. Address any issues promptly to prevent further damage and ensure the coupling’s proper functioning.
• Tension Adjustment: Check the tension of the roller chain regularly. Improper chain tension can lead to premature wear and affect the coupling’s performance. Follow the manufacturer’s guidelines for the correct chain tension and make adjustments as necessary. Proper tension ensures optimal power transmission and helps accommodate misalignments.
• Alignment: Monitor the alignment of the shafts connected by the chain coupling. Misalignment can cause excessive stress on the coupling components and lead to premature failure. If misalignment is detected, take the necessary corrective measures, such as realigning the shafts or using alignment tools. Proper alignment promotes smooth operation and prolongs the life of the coupling.
• Contamination Control: Protect the chain coupling from contamination by keeping the surrounding area clean. Dust, dirt, debris, and moisture can affect the coupling’s performance and accelerate wear. Use appropriate covers or guards to shield the coupling from external contaminants. Regularly clean the coupling and remove any debris that may have accumulated.
• Periodic Replacement: Over time, the components of a chain coupling can experience wear and fatigue. Periodically replace worn or damaged components, such as sprockets, roller chains, connecting pins, and bushings or bearings, with new ones. Follow the manufacturer’s recommended maintenance schedule for component replacement to ensure the coupling’s reliability and prevent unexpected failures.
• Documentation: Maintain proper documentation of the maintenance activities performed on the chain coupling. Keep records of lubrication schedules, inspections, adjustments, and component replacements. This documentation helps track the maintenance history of the coupling and provides valuable information for future reference and troubleshooting.

By following these maintenance requirements, you can ensure the optimal performance, longevity, and reliability of your chain coupling. Regular maintenance minimizes the risk of unexpected downtime, reduces repair costs, and maximizes the efficiency of your machinery or equipment.

What are the disadvantages of chain couplings?

• Backlash: Chain couplings can exhibit a certain degree of backlash or play due to the clearances between the chain rollers and the sprocket teeth. This can result in reduced precision and accuracy in applications where precise motion control is required.

• Noise and Vibration: The engagement between the chain and sprockets can generate noise and vibration during operation. This can be problematic in applications where noise reduction is important or where excessive vibration can affect the performance or integrity of the machinery.

• Maintenance Requirements: While chain couplings are relatively easy to maintain, they still require regular attention. Lubrication of the chain and sprockets is essential to reduce wear and friction. Additionally, periodic inspection and adjustment of chain tension are necessary to ensure proper operation. Neglecting maintenance tasks can lead to premature wear, decreased efficiency, and potential coupling failure.

• Space and Weight: Chain couplings occupy a certain amount of space due to the presence of sprockets and the length of the chain. In applications with space constraints, the size of the coupling may limit its usability. Additionally, the weight of the coupling components can be a consideration in applications where weight reduction is important.

• Limitations in High-Speed Applications: Chain couplings may have limitations in high-speed applications. At high rotational speeds, the centrifugal forces acting on the chain and sprockets can increase, potentially causing stress and reducing the efficiency of the coupling. In such cases, alternative coupling designs, such as gear or flexible shaft couplings, may be more suitable.

• Wear and Service Life: Like any mechanical component, chain couplings are subject to wear over time. The chain and sprockets can experience gradual wear and elongation, requiring eventual replacement. The service life of a chain coupling depends on factors such as the operating conditions, maintenance practices, and the quality of the components used.

While chain couplings offer several advantages, it is important to consider these disadvantages and evaluate their impact based on the specific application requirements. Proper maintenance, periodic inspection, and careful consideration of design factors can help mitigate these disadvantages and ensure optimal performance and longevity of the chain coupling.

editor by CX 2023-11-07