Product Description

FCL Flexible Couplings:

Flexible Coupling Model FCL is widely used for its compact designing, easy installation, convenient maintenance, small size and light weight. As long as the’relative displacement between shafts is kept winthin the specified tolerance, the coupling will operate the best function and a longer working life, thus it is greatly demanded in medium and minorpower transmission systems drive by moters, such as speed reducers, hoists, compressor, spining &weaving machinery and ball mills, permittable relative displacement:

Radial displacement 0.2-0.6mm; Angle displacemente 0º 30′–1º 30′

FCL Flexible Couplings
 
 

 

Summary
Flexible Couplings Model FCLis widely used for its compact designing,easy installation,convenient maintenance,small size and light weight.As long as the relative displacement between shafts is kept within the specified tolerance,B couplings will operate the best function and have a longer working life.Thus it is greatly demanded in medium and minor power transmission systems driven by moters,such as speed reducers,hoists,compressos,conveyers,spinning and weaving machines and ball mills.
Permittable relative displacement:
Radial displacement:0.2~0.6mm
Angle displacement:0°30′~1°30′

Size chart & Parameter

Type
 
 
Max torque
N.m
 
 
Max speed
r/min
 
 
D
 
D1
 
d1
 
L
 
C
 
n-M
 
kg
 
FCL90
 
4
 
4000
 
90
 
35.5
 
11
 
28
 
3
 
4-M8×50
 
1.7
 
FCL100
 
10
 
4000
 
100
 
40
 
11
 
35.5
 
3
 
4-M10×56
 
2.3
 
FCL112
 
16
 
4000
 
112
 
45
 
13
 
40
 
3
 
4-M10×56
 
2.8
 
FCL125
 
25
 
4000
 
125
 
50
 
13
 
45
 
3
 
4-M12×64
 
4.0
 
FCL140
 
50
 
4000
 
140
 
63
 
13
 
50
 
3
 
6-M12×64
 
5.4
 
FCL160
 
110
 
4000
 
160
 
80
 
15
 
56
 
3
 
8-M12×64
 
8.0
 
FCL180
 
157
 
3500
 
180
 
90
 
15
 
63
 
3
 
8-M12×64
 
10.5
 
FCL200
 
245
 
3200
 
200
 
100
 
21
 
71
 
4
 
8-M20×85
 
16.2
 
FCL224
 
392
 
2850
 
224
 
112
 
21
 
80
 
4
 
8-M20×85
 
21.3
 
FCL220
 
618
 
2550
 
250
 
125
 
25
 
90
 
4
 
8-M24×110
 
31.6
 
FCL280
 
980
 
2300
 
280
 
140
 
34
 
100
 
4
 
8-M24×116
 
44.0
 
FCL315
 
1568
 
2050
 
315
 
160
 
41
 
112
 
4
 
10-M24×116
 
57.7
 
FCL355
 
2450
 
1800
 
355
 
180
 
60
 
125
 
5
 
8-M30×50
 
89.5
 
FCL400
 
3920
 
1600
 
400
 
200
 
60
 
125
 
5
 
10-M30×150
 
113
 
FCL450
 
6174
 
1400
 
450
 
224
 
65
 
140
 
5
 
12-M30×150
 
145
 
FCL560
 
9800
 
1150
 
560
 
250
 
85
 
160
 
5
 
14-M30×150
 
229
 
FCL630
 
15680
 
1000
 
630
 
280
 
95
 
180
 
5
 
18-M30×150
 
296
 

 

 

Company Profile

l  The largest manufacturer and exporter of worm gear reducers in Asia.

 

l  Established in 1976, we transformed from a county owned factory to private 1 in 1996. HangZhou SINO-DEUTSCH POWER TRANSMISSION EQUIPMENT CO.,LTD is our new name since 2001.

 

l  We are the first manufacturer of reducers and gearboxes in China who was given export license since year 1993.

 

l  “Fixedstar” brand gearboxes and reducers are the first owner of CHINA TOP BRAND and Most Famous Trade Mark for reducers.

First to achieve ISO9001 and CE Certificate among all manufacturers of gearboxes in China.

   

As a professional manufacturer of
 worm gearbox and worm gear reducers in China, we mainly produce reduction gearbox,aluminum case worm gearboxes,arc gear cylindrical worm gearboxes, worm gear reducers, in line helical gearboxes, and cyclo drive reducers, etc. These products feature rational structure, stable performance, and reliable quality, and so on. They are widely used in power, mining, metallurgy, building material, chemical, food, printing, ceramic, paper-making, tobacco, and other industries.

 

We have 600 workers in our factory, which covers 70,000 square CHINAMFG in HangZhou. We have been making 2,500 units of reducers everyday since 2012. We are proudly exporting 70% of our products to more than 40 countries all over the word. Our customers come from Italy, Germany, USA, Canada, Spain, UK, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries in the world. 30% of them are OEM made for direct manufacturers of other products. 

 

We warmly welcome customers from other parts of the world to visit us. Seeing is believing. We are very confident that after visiting our facility, you will have confidence on our products. We have the latest automatic equipments and experienced workers to ensure the stable quality and large output. We have the most sophisticated technical and engineering team to support most demanding requirement on standard and OEM products.

 

 

 

Looking CHINAMFG to meeting you in HangZhou, China.

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flexible coupling

What role does a flexible coupling play in minimizing wear and tear on connected components?

A flexible coupling plays a vital role in minimizing wear and tear on connected components by absorbing and mitigating various mechanical stresses that occur during operation. Here’s how a flexible coupling achieves this:

  • Misalignment Compensation: One of the primary causes of wear and tear on rotating machinery is misalignment between connected shafts. Misalignment can occur due to factors such as thermal expansion, foundation settling, or assembly errors. A flexible coupling can accommodate both angular and parallel misalignments, reducing the stress on the shafts and connected components. By allowing for misalignment, the coupling prevents excessive forces from being transmitted to the connected components, minimizing wear.
  • Vibration Damping: During operation, rotating machinery can generate vibrations that lead to accelerated wear on components like bearings, gears, and couplings. A flexible coupling acts as a vibration damper, absorbing and dispersing vibrations, reducing their impact on connected components. This damping effect helps prevent fatigue and extends the life of the components.
  • Shock Absorption: Machinery may experience sudden shocks or impact loads during start-ups, shutdowns, or due to external factors. A flexible coupling is designed to absorb and cushion these shocks, preventing them from propagating through the system and causing damage to sensitive components.
  • Smooth Torque Transmission: In rigid couplings, torque transmission between shafts can be abrupt and cause torque spikes. These spikes put stress on the connected components, leading to wear and fatigue. Flexible couplings transmit torque smoothly, without sudden spikes, ensuring even distribution of forces and reducing the wear on components.
  • Controlling Torsional Vibrations: Torsional vibrations, a type of vibration that affects rotating shafts, can be damaging to connected components. Some flexible couplings are designed to address torsional vibration issues, providing additional protection against wear and tear.
  • Compensating for Thermal Expansion: Temperature fluctuations can lead to thermal expansion or contraction of machinery components. A flexible coupling can accommodate these changes, preventing undue stress on the connected components that may arise from differential expansion rates.

By performing these functions, a flexible coupling acts as a protective barrier for connected components, minimizing wear and tear, and contributing to their longevity. The reduced wear and stress on the components also result in lower maintenance costs and improved overall reliability of the mechanical system.

flexible coupling

What are the differences between flexible couplings and rigid couplings in terms of performance?

Flexible couplings and rigid couplings are two distinct types of couplings used in mechanical systems, and they differ significantly in terms of performance and applications.

  • Torsional Flexibility: The primary difference between flexible and rigid couplings lies in their ability to handle misalignments and torsional flexibility. Flexible couplings are designed with elements, such as elastomeric inserts or metal bellows, that can deform or twist to accommodate shaft misalignments, angular offsets, and axial movements. On the other hand, rigid couplings do not have any flexibility and maintain a fixed connection between the shafts, which means they cannot compensate for misalignment.
  • Misalignment Compensation: Flexible couplings can absorb and mitigate misalignment between shafts, reducing stress and wear on connected components. In contrast, rigid couplings require precise alignment during installation, and any misalignment can lead to increased loads on the shafts and bearings, potentially leading to premature failure.
  • Vibration Damping: Flexible couplings, especially those with elastomeric elements, offer damping properties that can absorb and dissipate vibrations. This damping capability reduces the transmission of vibrations and shocks through the drivetrain, improving the overall system performance and protecting connected equipment. Rigid couplings, being solid and without damping elements, do not provide this vibration damping effect.
  • Backlash: Flexible couplings can have some degree of backlash due to their flexibility, particularly in certain designs. Backlash is the play or free movement between connected shafts. In contrast, rigid couplings have minimal or no backlash, providing a more precise and immediate response to changes in rotational direction.
  • Torque Transmission: Rigid couplings are more efficient in transmitting torque since they do not have any flexible elements that can absorb some torque. Flexible couplings, while capable of transmitting substantial torque, may experience some power loss due to the deformation of their flexible components.
  • Applications: Flexible couplings are widely used in applications that require misalignment compensation, damping, and shock absorption, such as pumps, motors, and industrial machinery. On the other hand, rigid couplings are used in situations where precise alignment is critical, such as connecting shafts of well-aligned components or shafts that require synchronous operation, like in some encoder applications.

In summary, flexible couplings excel in applications where misalignment compensation, vibration damping, and shock absorption are required. They are more forgiving in terms of alignment errors and can accommodate dynamic loads. Rigid couplings, on the other hand, are used in situations where precise alignment and zero backlash are essential, ensuring direct and immediate power transmission between shafts.

flexible coupling

How does a flexible coupling handle angular, parallel, and axial misalignment?

A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
  • Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.

By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:

  • They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
  • They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
  • They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
  • They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.

Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.

China best FCL Flexible Coupling Pin & Bush Coupling  China best FCL Flexible Coupling Pin & Bush Coupling
editor by CX 2024-02-05