Product Description

FM/UL Approved Fire Fighting Parts Two Grooved End Coupling
Product Description

Feature: ductile iron grooved coupling

1) Material:ductile iron ASTM 

2) Reducing installation costs
This kind of coupling is designed for the pipe bearing moderate pressure. It allows controlled angle, linear and rotational movement at each joint and provides the added advantages of expansion, contraction and deflection. This is usful to accommodate uneven laying surfaces, and movement from thermal changes, setting, seismic effect or other causes.

 

Serial number	D	D1	L	d	Space
1	φ275	φ219	185	φ203	8″
2	φ315	φ270	176	φ253	10″
3	φ380	φ320	178	φ304	12″
4	φ501	φ441	186	φ407	14″

 

Q 1::What are the advantages of our factory?

 

A1::Our factory is specialized in manufacturing hose coupling for 30 years,and our promise is to provide our world-class quality,  on-time delivery and excellent after-sales services

 

Q2::How about our products?

 

A2::Our products are famous for the good quality and good watering effect,and also you can get the free samples to do a test of the quality and watering effect.

 

Q3::How about hose specifications?

 

A3::We can produce lay flat hose according to your request on Inner Diameter, working pressure,color and length per roll.

Before send you right quotation, please kindly confirm with us.

 

Q4::How about get the samples?

 

A4::You can get the samples for freejust pay for the sample freight.We will set it by DHL,FEDEX,UPS,TNT,EMS.

 

Q5::What is the minimum order quantity?(MOQ)

 

A5::Usually our MOQ is 3000 pieces, but for first cooperation we also accept little order, so any order is welcomed.

 

Q6::How about delivery ?

 

A6::We can send to you by sea/air/express according to you, usually deliver within 7-10 working days after receive deposit.

 

 

 

Materials Used in Manufacturing Tooth Couplings

Common materials used in manufacturing tooth couplings include:

• Steel: Steel is a popular choice due to its high strength and durability. It can handle heavy loads and is suitable for a wide range of applications.
• Cast Iron: Cast iron is known for its excellent wear resistance and ability to dampen vibrations. It is often used in applications where shock absorption is important.
• Stainless Steel: Stainless steel is corrosion-resistant and can withstand harsh environments, making it suitable for industries like food processing and marine applications.
• Aluminum: Aluminum is lightweight and offers good corrosion resistance. It’s commonly used in applications where weight reduction is important.
• Bronze: Bronze is used for its self-lubricating properties and resistance to corrosion. It’s often employed in applications where lubrication is challenging.

The choice of material depends on factors such as the specific application, operating conditions, and required performance characteristics. Engineers select materials that offer the best combination of strength, durability, corrosion resistance, and other properties needed for the intended use of the tooth coupling.

Backlash in Tooth Couplings and Its Impact on Performance

Backlash is a crucial factor in tooth couplings that affects their performance. Backlash refers to the angular movement or play between the teeth of the coupling when there is a change in the direction of loading. It is the amount by which a tooth space exceeds the thickness of the engaged tooth.

The impact of backlash on performance includes:

• Positioning Accuracy: Backlash can lead to positioning inaccuracies in systems where precise motion control is required. As the direction of loading changes, the teeth need to engage before transmitting torque, causing a delay and affecting accuracy.
• Reversal Shock: In systems with frequent changes in direction, backlash can result in a sudden impact or shock when the teeth engage, leading to vibrations and potential damage to the coupling and connected components.
• System Response: Backlash can introduce a dead zone or delay in the system response when the loading direction changes. This can affect the system’s ability to respond quickly to changes in input.
• Reduced Efficiency: Backlash causes energy loss due to the need to overcome the play between teeth during direction changes. This can reduce the overall efficiency of the system.
• Wear and Fatigue: Backlash can lead to wear and fatigue of the coupling teeth and other components due to repeated impacts during loading changes.
• Noise and Vibration: The sudden engagement of teeth can generate noise and vibration, affecting the overall smoothness of operation and potentially leading to fatigue failure.

Minimizing backlash is important for improving the performance of tooth couplings. Some couplings are designed with features to reduce or compensate for backlash, while others require precise alignment and regular maintenance to manage backlash within acceptable limits.

Benefits and Applications of Tooth Couplings

Using a tooth coupling offers several key benefits in mechanical systems:

• High Torque Transmission: Tooth couplings can handle high torque loads, making them suitable for heavy-duty applications.
• Angular Misalignment: They accommodate angular misalignment between shafts, reducing stress and wear on components.
• Axial Movement: Tooth couplings allow limited axial movement, which is crucial in applications with varying distances between shafts.
• Compact Design: Tooth couplings have a compact design, making them ideal for applications with limited space.
• Efficient Power Transmission: The meshing teeth provide efficient torque transmission with minimal backlash.

Tooth couplings find applications in various industries:

• Manufacturing: Used in conveyor systems, pumps, compressors, and machine tools.
• Automotive: Used in drivetrains, power transmission, and steering systems.
• Marine: Used in marine propulsion systems, winches, and deck machinery.
• Power Generation: Used in turbines, generators, and cooling tower fans.
• Aerospace: Used in aircraft control systems, landing gear, and engine accessories.

editor by CX 2023-10-07