Product Description

225D EXCAVATOR Coupling  2SJ00001-UP  POWERED BY 3208 ENGINE 6W-3988 Y 6W3988 Y
 

Basic information:

Place of Origin	HangZhou ,China (Mainland)
Brand Name	YNF/Y&F
Model	2SJ00001-UP
Material	NBR Natural Rubber
Color	Black
Apply to	Excavator or Digger

Product show as below:

Parts information:

Pos.	Part No	Qty	Parts name	Comments
1.	9T-9351 CY	[1]	PUMP GP-PISTON
2.	8T-7008 C	[4]	BOLT
3.	8T-4896 C	[13]	WASHER-HARD
4.	6W-6672 C	[4]	SPACER
5.	6W-3988 Y	[1]	COUPLING GP-PUMP
6.	8T-9056	[8]	BOLT
7.	5B-9627	[8]	WASHER
8.	4L-9337 C	[1]	BOLT
9.	9B-7237 C	[6]	BOLT
10.	6V-2667	[3]	CAP-PROTECTIVE
11.	7X-5718 C	[1]	BOLT

 

  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

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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.

Considerations for Choosing a Helical Coupling for Your Application

When selecting a helical coupling for a specific application, several key factors should be considered:

• Torque Capacity: Determine the maximum torque that the coupling will need to transmit in your application. Choose a coupling with a torque capacity that exceeds the application’s requirements.
• Shaft Size: Ensure that the coupling’s bore size matches the diameter of the shafts to be connected. Proper sizing prevents slippage and ensures efficient torque transmission.
• Angular Misalignment: Evaluate the degree of angular misalignment that the coupling needs to accommodate. Different couplings have varying angular misalignment capabilities.
• Radial Misalignment: Consider the amount of radial misalignment that the coupling must handle. Choose a coupling that can accommodate the expected radial displacement.
• Axial Misalignment: If there will be axial movement between the shafts, select a coupling that can handle the required axial displacement without binding.
• Environmental Conditions: Take into account the operating environment, including temperature, humidity, dust, and chemical exposure. Choose a coupling material that is suitable for the conditions.
• Speed: Determine the rotational speed of the shafts. Ensure that the chosen coupling is rated for the application’s speed without causing resonance or vibration issues.
• Backlash: Assess the acceptable level of backlash in your application. Some couplings have minimal backlash, which is critical for precision applications.
• Cost: Consider the budget for your project. While it’s important to choose a reliable coupling, also balance the cost with the performance requirements.

By carefully evaluating these factors and consulting with coupling manufacturers or experts, you can choose the right helical coupling that meets the needs of your specific application.

Helical Couplings for High-Speed Rotation and Varying Loads

Yes, helical couplings are well-suited for applications involving high-speed rotation and varying loads. Here’s why:

Helical couplings are designed to provide flexibility and accommodate misalignment while transmitting torque between shafts. This flexibility allows them to handle the dynamic loads and vibrations that can occur in high-speed rotating systems.

When the rotational speed changes or varying loads are applied, helical couplings can absorb the resulting torsional stresses and shocks. The helical design of the coupling allows for some degree of torsional compliance, helping to mitigate the impact of sudden load changes and reducing the risk of damage to connected components.

The ability of helical couplings to handle misalignment, combined with their torsional flexibility, makes them suitable for applications where high-speed rotation and varying loads are present. However, it’s important to select the appropriate size and type of helical coupling based on the specific requirements of the application to ensure optimal performance and reliability.

Overall, helical couplings offer a versatile solution for applications that demand both high-speed rotation and the ability to accommodate changing loads and dynamic conditions.

editor by CX 2024-02-05