Product Description

Product Description

Ever-power specialist in making all kinds of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto drive shafts, special reducer & related gear components and other related products, sprockets, hydraulic system, vaccum pumps, fluid coupling, gear racks, chains, timing pulleys, udl speed variators, v pulleys, hydraulic cylinder, gear pumps, screw air compressors, shaft collars low backlash worm reducers and so on. Furthermore, we can produce customized variators, geared motors, electric motors and other hydraulic products according to customers’ drawings.
The company provides a reliable guarantee for the product’s quality by advanced inspection and testing equipment: professional technical team, exquisite processing technology and strict control system. 
In recent years, the company has been developing rapidly by its rich experience in production, advanced management system, standardized management system, strong technical force. We always adhere the concept of survial by quality, and development by innovation in science and technology. 
Ever-power Group is willing to work with you hand in hand and create brilliance together! 

 

As long as the relative displacement between shafts is kept within the specified tolerance, the coupling will operate the best function and a longer working life, thus it is greatly demanded in medium and minor power transmission systems drive by mothers.

SIZE

N.m

r/min

D

D1

d1

L

C

n-M

KG

90

4

4000

90

35.5

11

28

3

4-M8*50

1.7

100

10

4000

100

40

11

35.5

3

4-M10*56

2.3

112

16

4000

112

45

13

40

3

4-M10*56

2.8

125

25

4000

125

50

13

45

3

4-M12*64

4.0

140

50

4000

140

63

13

50

3

6-M12*64

5.4

160

110

4000

160

80

15

56

3

8-M12*64

8.0

180

157

3500

180

90

15

63

3

8-M12*64

10.5

200

245

3200

200

100

21

71

4

8-M20*85

16.2

224

392

2850

224

112

21

80

4

8-M20*85

21.3

250

618

2550

250

125

25

90

4

8-M24*100

31.6

280

980

2300

280

140

34

100

4

8-M24*116

44.0

315

1568

2050

315

160

41

112

4

10-M24*116

57.7

355

2450

1800

355

180

60

125

5

8-M30*150

89.5

400

3920

1600

400

200

60

125

5

10-M30*150

89.5

450

6174

1400

450

224

65

140

5

12-M30*150

145

560

9800

1150

560

250

85

160

5

14-M30*150

229

630

15680

1000

630

280

95

180

5

18-M30*150

296

fluid coupling

Factors to Consider when Choosing between a Fluid Coupling and a VFD (Variable Frequency Drive)

When selecting between a fluid coupling and a VFD for a power transmission application, several factors should be taken into account:

  • Speed Control Requirements: Consider whether variable speed control is essential for your application. VFDs are excellent for applications that require precise and flexible speed control, while fluid couplings typically offer limited speed control capabilities.
  • Energy Efficiency: Evaluate the energy efficiency requirements of your system. VFDs can offer higher energy efficiency by allowing the motor to run at optimal speeds, whereas fluid couplings introduce some energy losses due to slip.
  • Starting Torque: Examine the starting torque requirements of the driven load. Fluid couplings can provide high starting torque and smooth acceleration, which may be advantageous for applications with high inertia loads.
  • Overload Protection: Consider the need for overload protection. Fluid couplings inherently provide some protection against shock loads by allowing slip, while VFDs may require additional protective mechanisms.
  • Maintenance and Service: Evaluate the maintenance and service requirements of both systems. Fluid couplings are generally simpler and require less maintenance compared to VFDs, which involve electronic components.
  • Cost: Compare the initial and long-term costs of both options. VFDs often have higher upfront costs but can provide significant energy savings in the long run, while fluid couplings may have lower initial costs but could lead to higher energy consumption.

Ultimately, the choice between a fluid coupling and a VFD depends on the specific needs of your application. Each option has its advantages and limitations, and a thorough analysis of the operating conditions and performance requirements will help determine the most suitable solution for your system.

fluid coupling

Fluid Couplings in Hydraulic Drive Systems

Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.

The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.

When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.

In hydraulic drive systems, fluid couplings offer several advantages:

  • Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
  • Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
  • Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
  • Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.

Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.

It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.

fluid coupling

Applications of Fluid Couplings in Industrial Machinery

Fluid couplings are widely used in various industrial machinery and equipment due to their unique characteristics and benefits. Some common applications include:

  • Conveyors: Fluid couplings are used in conveyor systems to provide smooth start-ups and overload protection. They help in preventing damage to the conveyor belts and equipment during sudden starts and stops.
  • Pumps: Fluid couplings are employed in pumps to control the acceleration and deceleration of the pump impeller. This ensures a gradual and controlled flow of fluids, reducing water hammer and pressure surges.
  • Fans: Industrial fans often use fluid couplings to regulate fan speed and avoid abrupt changes in airflow, which can cause mechanical stress and system instability.
  • Mining Equipment: Fluid couplings are used in mining machinery, such as crushers and conveyors, to protect the drivetrain from shock loads and to enhance equipment reliability.
  • Marine Propulsion Systems: In marine applications, fluid couplings are used in propulsion systems to provide smooth engagement of the propeller, protecting the engine and transmission.
  • Power Plants: Fluid couplings are utilized in power plants for boiler feed pumps, induced draft fans, and other equipment to achieve smooth operation and prevent sudden stress on mechanical components.
  • Steel Industry: In steel mills, fluid couplings are employed in various equipment, including rolling mills and continuous casting machines, to protect the machinery and enhance productivity.
  • Automotive: Fluid couplings are used in automatic transmissions to smoothly transmit power from the engine to the wheels, allowing smooth gear changes and preventing driveline shock.
  • Wood Processing: In wood processing equipment, such as chippers and saws, fluid couplings are used to protect the equipment from shock loads and to achieve efficient power transmission.

Overall, fluid couplings play a crucial role in a wide range of industrial machinery applications, providing enhanced protection, smoother operation, and increased equipment longevity.

China wholesaler Flange Flexible Fluid Coupling  China wholesaler Flange Flexible Fluid Coupling
editor by CX 2023-12-01