Product Description

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

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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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Endurance of Helical Couplings for High Torque and Axial Motion

Helical couplings are designed to withstand a range of mechanical forces, including high levels of torque and axial motion:

• High Torque: Helical couplings are capable of transmitting high levels of torque due to their robust construction and the interlocking helical teeth. The helical design enhances the coupling’s ability to handle torque without compromising flexibility.
• Axial Motion: Helical couplings can accommodate limited axial motion without compromising their performance. This is especially beneficial in applications where shafts might experience slight axial displacement due to thermal expansion or other factors.

Engineers select helical couplings based on the anticipated torque requirements and axial motion characteristics of the application. It’s important to ensure that the selected coupling has the necessary torque rating and axial flexibility to meet the demands of the specific machinery or system.

Variations of Helical Couplings for Specific Uses

Helical couplings come in various variations, each designed to suit specific applications and requirements:

• Flexible Helical Couplings: These couplings are designed to provide flexibility to accommodate misalignments and torsional vibrations. They are commonly used in applications where shaft misalignment is expected.
• Rigid Helical Couplings: Rigid helical couplings are designed to provide a more solid connection between shafts, offering minimal flexibility. They are suitable for applications where precise torque transmission and accurate positioning are crucial.
• Beam Helical Couplings: Beam-style helical couplings use thin metal beams to transmit torque while allowing for some misalignment. They are often used in applications that require high torsional stiffness and minimal backlash.
• Bellows Helical Couplings: Bellows couplings use accordion-like bellows to compensate for misalignment and provide vibration damping. They are commonly used in applications that require high torsional flexibility and protection from external contaminants.
• Oldham Helical Couplings: Oldham couplings use three discs: a central disc sandwiched between two outer discs with perpendicular slots. They offer excellent misalignment compensation and are often used in motion control systems.
• Helical-Beam Couplings: These couplings combine the flexibility of beam couplings with the misalignment compensation of helical couplings. They are suitable for applications that require both flexibility and misalignment tolerance.
• Slit Helical Couplings: Slit couplings have a slit design that allows for easy installation and removal without the need to disassemble the entire system. They are commonly used in applications where frequent maintenance is required.

The availability of these variations allows engineers and designers to select the most suitable type of helical coupling based on the specific needs of their application.

Best Practices for Lubricating and Preserving the Performance of Helical Couplings

Lubrication is crucial for maintaining the performance and longevity of helical couplings. Here are some best practices to consider:

• Choose the Right Lubricant: Select a lubricant that is compatible with the materials of the coupling and provides adequate protection against wear and corrosion.
• Regular Lubrication: Follow the manufacturer’s guidelines for lubrication intervals. Regularly lubricate the coupling to ensure proper operation and prevent excessive wear.
• Clean Before Lubrication: Clean the coupling and the surrounding area before applying lubricant to prevent contamination.
• Apply the Right Amount: Apply the appropriate amount of lubricant as recommended by the manufacturer. Too much lubricant can lead to excess buildup and attract debris.
• Distribute Evenly: Ensure that the lubricant is evenly distributed across the coupling’s surfaces to provide effective lubrication.
• Monitor Performance: Regularly monitor the coupling’s performance for any signs of increased friction or abnormal operation that may indicate the need for relubrication.
• Inspect for Wear: During maintenance checks, inspect the coupling for signs of wear, corrosion, or damage. Replace the coupling if necessary.
• Protect Against Contaminants: Shield the coupling from dust, dirt, and other contaminants that can degrade the lubricant and cause premature wear.
• Environmental Considerations: If the machinery operates in extreme temperatures, wet or corrosive environments, choose a lubricant that can withstand these conditions.
• Follow Manufacturer’s Recommendations: Always follow the manufacturer’s recommendations for lubrication, maintenance, and storage to ensure optimal coupling performance.

By adhering to these best practices, you can maximize the efficiency, reliability, and lifespan of helical couplings in various mechanical systems.

editor by CX 2024-05-09