Rubber Flexible Couplings for Air Compressor CHINAMFG CHINAMFG CHINAMFG CHINAMFG Rand CHINAMFG CHINAMFG CHINAMFG CHINAMFG CHINAMFG HongHangZhouan Hitachi
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 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
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.
Advantages of Using Helical Couplings in Industrial Applications
Helical couplings offer several key advantages when used in industrial applications:
- Misalignment Compensation: Helical couplings can accommodate angular, axial, and parallel misalignments between shafts, helping to extend the lifespan of connected components and reducing the risk of premature failure.
- High Torque Transmission: These couplings are designed to transmit high levels of torque between shafts, making them suitable for applications that require efficient power transmission.
- Backlash Reduction: The helical design minimizes backlash, ensuring accurate positioning and motion control in precision applications.
- Shock and Vibration Absorption: Helical couplings absorb shocks and vibrations, protecting connected equipment from excessive wear and minimizing noise in the system.
- Compact and Lightweight: The compact and lightweight design of helical couplings makes them ideal for applications with limited space and weight constraints.
- Easy Installation: Helical couplings are relatively simple to install, requiring minimal tools and expertise.
- Corrosion Resistance: Many helical couplings are made from materials that offer corrosion resistance, making them suitable for various environmental conditions.
- Cost-Effective: Helical couplings provide a cost-effective solution for flexible shaft connections, reducing the need for complex and expensive alignment procedures.
- Long Service Life: Properly installed and maintained helical couplings can have a long service life, contributing to the reliability of the overall system.
Overall, helical couplings are a versatile and reliable choice for industrial applications that require torque transmission, misalignment compensation, and vibration reduction.
Diagnosing and Addressing Issues with Helical Couplings in Machinery Systems
Diagnosing and addressing issues related to helical couplings in machinery systems require a systematic approach:
- Visual Inspection: Regularly inspect the coupling for signs of wear, misalignment, or damage, such as cracks, corrosion, or deformation.
- Noise and Vibration: Unusual noise or increased vibration can indicate coupling problems. Use vibration analysis tools to identify issues and their severity.
- Power Transmission Issues: If you notice a decrease in power transmission efficiency or sudden changes in torque, it may be due to coupling problems.
- Temperature Changes: Abnormal temperature increases in the coupling area could indicate friction or misalignment issues.
- Lubrication: Check the lubrication of the coupling regularly. Insufficient or contaminated lubricant can lead to increased wear and poor performance.
- Alignment: Ensure that the coupling is properly aligned. Misalignment can cause premature wear and reduce the coupling’s lifespan.
- Fasteners: Examine fasteners like set screws or clamping elements. Loose or damaged fasteners can affect coupling performance.
- Replace Damaged Parts: If you identify worn or damaged parts, replace them promptly with genuine replacement components.
- Balancing: Imbalance can lead to vibration and wear. Balance the coupling if necessary.
- Proper Installation: If the coupling was recently installed, ensure it was installed correctly and according to the manufacturer’s guidelines.
- Consult Experts: If you’re unsure about diagnosing or addressing issues, consult with experts or engineers who specialize in coupling systems.
By conducting regular inspections, monitoring performance, and addressing issues promptly, you can maintain the optimal functioning of helical couplings in your machinery systems.
editor by CX 2023-11-07