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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Challenges Arising from Misaligned Helical Couplings and Their Resolution

Misaligned helical couplings can lead to several challenges that affect the performance and longevity of machinery:

• Reduced Torque Transmission: Angular misalignment in helical couplings can result in reduced torque transmission efficiency, leading to power loss and decreased overall machinery performance.
• Excessive Wear: Continuous operation with misaligned couplings can cause increased wear on both the coupling and connected components, resulting in premature failure and the need for frequent maintenance.
• Vibration and Noise: Misaligned couplings can generate vibration and noise due to uneven torque distribution and irregular motion, negatively impacting machinery operation and operator comfort.
• Heat Generation: Misalignment can lead to increased friction and heat generation at the coupling interface, potentially causing damage to the coupling material and affecting surrounding components.

To address these challenges, it’s crucial to:

• Regularly Inspect and Align: Perform routine inspections to identify any misalignment issues. If misalignment is detected, realign the couplings to ensure proper shaft alignment.
• Use Flexible Couplings: Choose helical couplings specifically designed to accommodate misalignment. These couplings provide flexibility and self-alignment features, reducing the impact of misalignment.
• Implement Precision Installation: During installation, carefully align the shafts using precision tools and techniques. Avoid forceful installation that could introduce misalignment.
• Monitor Operating Conditions: Regularly monitor machinery operation to detect any abnormal vibration, noise, or performance changes that could indicate misalignment issues.

By addressing misalignment challenges promptly and following best practices, you can ensure the proper functioning and longevity of helical couplings and the machinery they are installed in.

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.

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 2024-02-04