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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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.
Correct Installation and Maintenance of Helical Couplings in Machinery
Proper installation and maintenance are essential for the optimal performance and longevity of helical couplings:
Installation:
- Alignment: Ensure that the shafts to be connected are properly aligned within the specified tolerances. Misalignment can lead to premature wear and reduced coupling life.
- Coupling Insertion: Gently slide the coupling onto the shafts, ensuring that it is fully seated. Avoid forcing the coupling onto the shafts to prevent damage.
- Tightening: Follow the manufacturer’s guidelines for tightening the coupling fasteners. Use the recommended torque values to prevent overtightening or undertightening.
- Lubrication: Apply the appropriate lubricant to any contacting surfaces of the coupling, following the manufacturer’s recommendations.
- Secure Fasteners: Double-check that all fasteners are properly secured. Ensure that any set screws or locking mechanisms are correctly positioned and tightened.
Maintenance:
- Regular Inspection: Periodically inspect the coupling for signs of wear, damage, or misalignment. Address any issues promptly to prevent further problems.
- Lubrication: Maintain proper lubrication as recommended by the manufacturer. Lubrication helps reduce friction, wear, and heat buildup.
- Environmental Conditions: Consider the operating environment of the coupling. If the machinery is exposed to harsh conditions, take measures to protect the coupling from contaminants and corrosive substances.
- Load Changes: If the operating conditions change, such as increased loads or speeds, reevaluate the coupling’s suitability for the application and adjust maintenance intervals accordingly.
- Replacement: Over time, couplings may wear out due to normal usage. If wear is significant or if the coupling shows signs of failure, replace it with a new one to ensure safe and reliable operation.
By following proper installation and maintenance practices, you can maximize the performance and lifespan of helical couplings in your machinery systems.
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 2024-04-23