Product Description
80A Coupling For Excavator Hydraulic Engine Parts For DX380LC-3 DT70
Basic information:
| Product Name | High Quality Excavator Coupling 4AS Shaft Coupling |
| Place of Origin | ZheJiang China (Mainland) |
| MOQ | No limited |
| Flexible or Rigid | Flexible |
| Function | Connect Different Parts |
| Supply Ability | 3000pcs per week |
| Lead Time | Within 1-3 Working Days After Receive The Payment |
| HS Code | 8483600090 |
| Outer Packing | Carton |
Product show as below:
About us:
specialized in:
couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.
And, Our company also supply:
Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.
We always try our best for all our customers and make it better and better. Welcome!
FAQ
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Materials Used in Manufacturing Helical Couplings
Helical couplings are typically constructed from a variety of materials, chosen based on their mechanical properties and compatibility with specific applications:
- Stainless Steel: Stainless steel is a common choice due to its corrosion resistance and high strength. It is suitable for various environments, including those with exposure to moisture or chemicals.
- Aluminum: Aluminum is lightweight and offers good corrosion resistance. It’s often used in applications where weight is a concern, such as in aerospace or robotics.
- Steel Alloys: Steel alloys provide a balance between strength and cost-effectiveness. They are used in a wide range of industrial applications.
- Brass: Brass offers good corrosion resistance and is often used in applications where electrical conductivity is required.
- Plastics and Polymers: Some helical couplings are made from plastics or polymers to reduce weight and minimize electrical conductivity. These materials are often used in precision instruments and medical devices.
The choice of material depends on factors such as the intended application, environmental conditions, load requirements, and desired level of corrosion resistance. Engineers consider these factors to ensure that the selected material aligns with the performance and longevity expectations of the helical coupling.
The Role of Helical Flexibility in Compensating for Shaft Misalignment
Helical couplings are designed with helical cuts or grooves in their construction. This helical design provides flexibility, allowing the coupling to compensate for various types of shaft misalignment:
- Angular Misalignment: The helical cuts enable the coupling to flex in response to angular misalignment between the connected shafts. As the misaligned shafts rotate, the helical flexure allows them to maintain contact and transmit torque effectively.
- Radial Misalignment: Helical couplings can also accommodate radial misalignment by flexing slightly in response to the offset between the shafts. This flexibility prevents binding or excessive forces on the shafts, reducing wear and extending the coupling’s lifespan.
- Axial Misalignment: While not all helical couplings can handle significant axial movement, some designs offer limited axial compensation. The helical flexure allows a small amount of axial displacement without compromising coupling integrity.
Overall, the helical flexibility of these couplings allows them to maintain constant contact and torque transmission even when shafts are not perfectly aligned. This feature enhances the coupling’s reliability, reduces stress on the connected components, and contributes to the longevity of both the coupling and the machinery.
Impact of Design and Pitch on Helical Coupling Performance and Reliability
The design and pitch of helical couplings play a crucial role in determining their performance and reliability:
Design: The design of a helical coupling includes factors such as the number of helical elements, their shape, and the arrangement of the helix angles. A well-designed helical coupling can provide a balance between torsional stiffness and flexibility. A higher number of helical elements can increase the coupling’s torsional stiffness, making it more suitable for applications that require precise torque transmission. On the other hand, a lower number of helical elements can enhance flexibility and misalignment compensation.
Pitch: The pitch of a helical coupling refers to the distance between successive helical threads. A smaller pitch results in a finer thread, offering higher torsional stiffness and accuracy in torque transmission. Couplings with a smaller pitch are often preferred for applications with precise positioning requirements. Conversely, a larger pitch provides more flexibility and misalignment compensation, making it suitable for applications with dynamic loads and vibrations.
Choosing the appropriate design and pitch depends on the specific application requirements. Applications demanding high torsional stiffness and accurate torque transmission may benefit from a coupling with a smaller pitch and more helical elements. Meanwhile, applications involving misalignment accommodation and dynamic loads may favor a larger pitch and fewer helical elements to maintain flexibility and shock absorption.
Ultimately, a well-matched design and pitch ensure that the helical coupling can effectively balance the need for torque transmission, misalignment compensation, and resilience to varying operating conditions, contributing to its overall performance and reliability in mechanical systems.
editor by CX 2024-02-20