Product Description

Rubber Flexible Couplings for Air Compressor CHINAMFG CHINAMFG CHINAMFG CHINAMFG Rand CHINAMFG CHINAMFG CHINAMFG CHINAMFG CHINAMFG HongHangZhouan Hitachi

Product Display:                                                                                                                                                        

Company information:                                                                                                                                              

YINGFENG CONSTRUCTION MACHINERY LIMITED / HangZhou CHINAMFG MACHINERY CO., LTD specialized in:

couplings, rubber mounts, gear parts , hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators, wheel loaders, and backhoe 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, accumulator, valve, etc. 

The following seal kits we also can supply:
 
1.Main pump seal kit;
2.Hydraulic pump seal kit;
3.Regulater valve seal kit;
4.Plunger pump seal kit 
5.O ring box;
6.Gear pump seal repair kit,
7.Travel motor seal kit 
8.Breaker hammer seal kit;
9.Swing motor seal kit,
10.Lever seal kit;
11.Pilot valve seal kit/PPC seal;
12.Adjuster seal kit;
13.Center joint seal kit;
14.Turing joint seal kit;
15.Servo valve seal kit;
16.Boom cylinder seal kit;
17.Arm cylinder seal kit; 
18.Bucket cylinder seal kit;
19.Control valve seal kit. 

We always try our best for all our customers and make it better and better. Welcome!

A. More than 20 yease experience in the line of the market, produce high quality excavator spare parts.
B. Factory manufacturer, factory price, quality under control.
C. One-stop shopping. We supply with various spare parts for your need, with high quality at competitive price, one-stop shopping, save your time to searching the parts you need urgent.
D. Timely delivery. ( We can handle your urgent order within 24 hours as soon as we got the payment. And We will send the parts by DHL and Fedex Express. We will require DETAIL delivery address with postcodebefore shipment. So, It will be better if you cound notice us about it in advance.)
E. Various of transportation way: Sea, Air, Bus, Express, etc
F. Parts available in stock

OUR FACTORY:

Our excavator parts factory was set up in 1988 in HangZhou city,ZheJiang Province. And in year 2011 we set up the 2nd factory. Now we are the largest excavator rubber parts supplier in southern China. Factory occupies 10,, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

HPV102, 8DC8 8DC9, CHINAMFG TierII 522192, Xihu (West Lake) Dis.de 60, CHINAMFG 1,

Atlas Copco 385, CHINAMFG 396, CHINAMFG 415, CHINAMFG 416, CHINAMFG 455, CHINAMFG 485,

Atlas Copco 486,  CHINAMFG 786, CHINAMFG 836, CHINAMFG 976, CHINAMFG 6-712, 4DNV98

Chinese Brand Excavators: 

Lonking: 6085, 200

Liugong: 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

Yuchai: YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

Sunward: 50, 60, 70, 150

Foton: FR85-7, FR65, FR80, FR150-7,

Zoomlion: 60, 205, 230, 360 

Sany: SY55, SY60, SY215, SY230, SY210, SY220, SY310 

XCMG: 60, 150, 700

Lovol: 210

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Industry Standards and Guidelines for Helical Couplings

While there are no specific industry standards dedicated solely to helical couplings, their design and application are influenced by general coupling standards and guidelines:

• AGMA Standard: The American Gear Manufacturers Association (AGMA) provides guidelines and standards related to couplings, including helical couplings. Their standards cover aspects like design, selection, and application considerations for flexible couplings.
• ISO Standards: The International Organization for Standardization (ISO) also offers standards related to flexible couplings. ISO standards provide recommendations for design principles, performance characteristics, and testing procedures.
• Manufacturer Recommendations: Coupling manufacturers often provide specific guidelines for the design, installation, and maintenance of their products. These recommendations are based on engineering principles and practical experience.

When designing and using helical couplings, engineers should consider these industry standards and guidelines to ensure proper performance, reliability, and safety. Adhering to recognized standards helps ensure that helical couplings are selected, installed, and operated correctly in various mechanical systems.

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.

Specialized Maintenance Routines for Ensuring the Longevity of Helical Couplings

To ensure the longevity of helical couplings, consider implementing specialized maintenance routines:

• Lubrication: Proper lubrication is crucial. Use the recommended lubricant and schedule regular lubrication intervals to prevent friction and wear.
• Cleaning: Regularly clean the coupling to remove dirt, debris, and contaminants that can contribute to wear.
• Inspections: Conduct thorough visual inspections to identify signs of wear, misalignment, or damage. Regular inspections allow you to address issues early.
• Alignment Checks: Periodically check and adjust the alignment of the coupling to prevent premature wear and ensure optimal power transmission.
• Fastener Tightening: Check and tighten fasteners, such as set screws or clamping elements, to prevent loosening during operation.
• Balancing: If the coupling becomes unbalanced, have it balanced to prevent vibrations and reduce wear.
• Temperature Monitoring: Monitor the operating temperature of the coupling area. Abnormal temperature increases can indicate issues.
• Vibration Analysis: Use vibration analysis tools to monitor coupling vibrations and identify any unusual patterns.
• Replacement of Worn Parts: Replace worn or damaged parts promptly with genuine replacement components from the manufacturer.
• Record Keeping: Maintain a detailed maintenance record, including inspection dates, maintenance activities, and any issues identified.
• Training: Train maintenance personnel on proper maintenance procedures and techniques specific to helical couplings.

By following these specialized maintenance routines, you can maximize the longevity and performance of helical couplings in your machinery systems.

editor by CX 2023-12-25