China Custom Female Threads with Lock Guillemin with Helical Shank Jaw Coupling

Product Description

Female Threads With Lock Guillemin With Helical Shank Jaw Coupling

The standard of Guillemin Coupling is EN14420-8 or NF E29572. Materials are mainly stainless steel, aluminum, polypropylene and brass. Guillemin hose couplings is connected with thread and locking ring (latch). It can be used with DIN2817 safety clamp. Working pressure is 10 bar. Guillemin coupling is widely used in industries of oil, chemical, fire protection, paper manufacture, construction and metallurgy.
 
Guillemin couplings, also referred to as French couplings are symmetrical couplings where to identical halves are assembled by joining the lugs and turning the locking ring to ensure a good connection.

Pros:
Simple and easy connection
Has a locking ring and soft seal
Large free flow area
Aluminum couplings are lighter in weight than stainless steel
Suitable for water, fluids, hydrocarbons, chemicals, and dry loose materials
 

Our Advantage

We are experienced as we have been in this industry as a manufacturer for more than 10 years. Both of quality and service are highly guaranteed. Absolutely prompt delivery. We can produce according to specific drawings from customers. Welcome OEM/ODM project. Strict control on quality. High efficient and well trained sale service team.  ISO9001, CE and SGS certified.

FAQ

1.Q: Are you a producer or trading company?
   A: We are an experienced manufacturer. We own production line and kinds of machines.  

2.Q: Can you make our specific logo on the part?
    A: Yes please provide me your logo and we will make your logo on the part.

3.Q: Can you manufacture products according to my drawings?
   A: Yes we can manufacturer according to client’s drawings if drawings or samples are available. We are experienced enough       to make new tools.

4. Q: Can I get some samples?
    A: We are honored to offer you our samples. Normally it is for free like 3-5 pcs. It is charged if the samples are more than 5        pcs. Clients bear the freight cost.

5. Q: How many days do you need to finish an order?
    A: Normally it takes about 30 days to finish the order. It takes more time around CHINAMFG season, or if the order involves many        kinds of different products.  

6. Q: What kind of rubber washer do you apply to camlock couplings?
     A: Normally we use NBR gasket.

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Contribution of Jaw Coupling to Equipment Longevity

Jaw couplings play a vital role in enhancing the longevity and reliability of connected equipment in mechanical power transmission systems. The design and features of jaw couplings contribute to minimizing wear, reducing downtime, and protecting the equipment from harmful forces. Here’s how jaw couplings contribute to equipment longevity:

• Shock Absorption: Jaw couplings have elastomeric spider inserts that act as shock absorbers, dampening vibrations and impact loads. This helps in protecting the connected equipment from sudden shocks and extends its operational life.
• Misalignment Compensation: In real-world applications, shaft misalignment is common due to thermal expansion, machine settling, or manufacturing tolerances. Jaw couplings can tolerate a certain degree of misalignment, reducing stress on bearings, seals, and other components of the equipment.
• Overload Protection: During overloads or torque spikes, jaw couplings can flex slightly, absorbing excess torque and preventing damage to the equipment. This overload protection feature prevents catastrophic failures and extends the life of mechanical components.
• Backlash Reduction: Excessive backlash in a power transmission system can lead to inaccuracies in motion control and wear on components. Jaw couplings are designed to provide low backlash, enhancing precision and minimizing wear on gears and other sensitive parts.
• Resilience to Contaminants: Jaw couplings often feature enclosed designs that protect the elastomeric spider from contaminants like dust, dirt, and moisture. This helps in maintaining the coupling’s performance and preventing premature failure due to external elements.
• Low Maintenance: Compared to some other types of couplings, jaw couplings require minimal maintenance. Regular lubrication and inspection of the coupling can significantly extend its life and keep the connected equipment running smoothly.
• Easy Installation: The simple and compact design of jaw couplings makes them easy to install and integrate into various mechanical systems. Proper installation ensures efficient power transmission and reduces the chances of component damage.

Overall, jaw couplings contribute to equipment longevity by providing protection against shock loads, compensating for misalignment, preventing overloads, reducing backlash, and offering resilience to environmental factors. By selecting the right jaw coupling for the application and following proper maintenance practices, users can maximize the lifespan of connected equipment and improve the overall efficiency of their mechanical systems.

What are the common installation mistakes to avoid when using jaw couplings?

Proper installation of jaw couplings is crucial to ensure their reliable and efficient operation. Avoiding common installation mistakes can prevent premature wear, misalignment, and potential equipment damage. Here are some of the most common installation mistakes to avoid when using jaw couplings:

1. Incorrect Coupling Size: Using the wrong size of jaw coupling for the application can lead to various issues. Undersized couplings may not handle the required torque, leading to early failure, while oversized couplings may result in increased rotational inertia and decreased system performance. Always ensure that the selected coupling is appropriate for the torque and power requirements of the equipment.
2. Misalignment: Improper alignment of the shafts during coupling installation can cause excessive forces and premature wear on the coupling components. Angular, parallel, and axial misalignments should be minimized and kept within the manufacturer’s recommended tolerances. Consider using alignment tools and techniques to achieve accurate shaft alignment.
3. Over-Tightening: Applying excessive torque when tightening the coupling elements can lead to deformation of the elastomer spider or damage to the hubs. Over-tightening can also increase friction and cause premature wear. Follow the manufacturer’s specified torque values during installation to ensure proper clamping without causing damage.
4. Lack of Lubrication: Some jaw couplings require lubrication to reduce friction and wear. Neglecting to lubricate the coupling elements can lead to increased friction, higher operating temperatures, and reduced coupling life. Follow the manufacturer’s guidelines regarding lubrication intervals and types of lubricants to use.
5. Failure to Inspect Components: Before installation, carefully inspect all coupling components for any signs of damage, wear, or defects. Using a damaged or worn-out elastomer spider or other components can compromise the coupling’s performance and reliability. Replace any worn or damaged parts before installing the coupling.
6. Improper Shaft End Preparation: Ensure that the shaft ends are clean, smooth, and free from burrs or imperfections before installing the coupling. Rough or uneven shaft surfaces can lead to misalignment and reduce coupling performance. Properly clean and prepare the shaft ends to ensure a secure and accurate fit.
7. Not Following Manufacturer’s Guidelines: Each jaw coupling has specific installation instructions provided by the manufacturer. Failure to follow these guidelines can result in coupling failure or reduced performance. Always refer to the manufacturer’s installation manual and recommendations for proper installation procedures.

By avoiding these common installation mistakes, users can maximize the performance and longevity of jaw couplings in their applications. Proper installation ensures that the coupling operates efficiently, transmits power effectively, and reduces the risk of unexpected failures or downtime.

Maintenance Requirements for Jaw Couplings

Jaw couplings are relatively low-maintenance components, but regular inspections and preventive measures can help ensure their optimal performance and longevity. Here are the maintenance requirements for jaw couplings:

• Visual Inspections: Regularly inspect the jaw coupling for signs of wear, damage, or misalignment. Look for cracks, chips, or deformation in the elastomeric spider, hubs, and other components.
• Lubrication: Some jaw couplings require periodic lubrication of the elastomeric spider to prevent dry rot and ensure flexibility. Refer to the manufacturer’s guidelines for the appropriate lubrication schedule and type.
• Tighten Fasteners: Check and tighten all fasteners, including set screws, regularly to prevent coupling slippage and maintain a secure connection between the shafts and hubs.
• Alignment: Ensure that the shafts connected by the jaw coupling are properly aligned. Excessive misalignment can lead to premature wear and failure of the elastomeric spider.
• Replace Worn Parts: If any component of the jaw coupling shows signs of wear beyond acceptable limits, promptly replace it to avoid further damage and potential system failure.
• Operating Conditions: Monitor the operating conditions of the machinery to prevent overheating or overloading, which can affect the performance and life of the coupling.

Following these maintenance practices can extend the life of the jaw coupling, reduce the risk of unexpected failures, and contribute to the overall reliability of the mechanical system.

editor by CX 2023-10-16