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

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Applications of Helical Couplings in Various Industries

Helical couplings find wide use in numerous industries and applications due to their versatility, reliability, and ability to handle misalignment and transmit torque:

• Manufacturing: Helical couplings are used in CNC machines, mills, lathes, and other manufacturing equipment to ensure precise power transmission and minimize vibration.
• Robotics: Robotic arms and joints often employ helical couplings to connect motors and actuators, allowing for flexibility while maintaining accurate motion control.
• Medical Equipment: Imaging devices, surgical robots, and medical equipment often use helical couplings to ensure precise movement and positioning.
• Aerospace: Helical couplings are used in aerospace applications such as satellite systems, UAVs, and aircraft systems where lightweight yet durable coupling solutions are required.
• Automotive: Helical couplings find use in automotive testing equipment, vehicle assembly lines, and robotics for manufacturing and testing automotive components.
• Packaging and Conveyors: Packaging machinery, material handling systems, and conveyors utilize helical couplings to ensure efficient and accurate movement of products.
• Printing: Printers and labeling machines benefit from helical couplings’ ability to handle misalignment and transmit motion accurately.

The broad range of applications highlights the adaptability and reliability of helical couplings across various industries.

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.

Elaboration on Torsional Stiffness in Relation to Helical Couplings and Its Significance

Torsional stiffness refers to the resistance of a helical coupling to twisting or rotational deformation under a certain amount of torque. It is a crucial mechanical property that impacts the performance of helical couplings:

• Response to Torque: A coupling with higher torsional stiffness can transmit torque more efficiently and accurately, resulting in better power transmission.
• Reduced Torsional Deflection: High torsional stiffness minimizes torsional deflection, which is the angular twist experienced by the coupling under torque. This is especially important in precision applications where accurate angular positioning is required.
• Minimized Backlash: Torsional stiffness helps reduce backlash, which is the angular play or movement between connected shafts when the direction of torque changes.
• Dynamic Performance: Torsional stiffness contributes to the coupling’s ability to respond quickly to changes in torque, making it suitable for applications with rapidly changing loads.
• Vibration Damping: While helical couplings provide some level of flexibility to accommodate misalignment, their torsional stiffness helps dampen vibrations and resonances.
• Torsional Resonances: In applications where torsional resonances can occur, a well-matched torsional stiffness can help avoid critical speeds and potential mechanical failures.

When selecting a helical coupling, considering its torsional stiffness in relation to the application’s torque requirements and performance demands is essential to ensure optimal functionality and durability.

editor by CX 2023-12-25