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Fatigue Testing Machine

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vertical fatigue testing machine

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Fatigue Testing Machine

vertical fatigue testing machine

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  • Product Description
  • Usage and Characteristics
  • Technical Specifications
  • oil pump and oil tank

vertical fatigue testing machine

Usage and Characteristics

The test bench adopts electro-hydraulic servo control technology, suitable for various combinations of shock absorber and cylindrical shock absorber static performance test (dynamometer test, speed characteristics). Test methods to meet the requirements of standards. It uses one pumping station, pumping station is equipped with two sets of 100 liters of Rexroth pump, when demanded small flow, only need to open one pump, when demand for big flow, two oil pumps open at the same time. Two oil pumps can be merged to work, also can be completely independent of supply, do not interfere with each other. In the process of starting and saving the energy plays an important role

Main Technical Specifications

Model PWS-20
Maximum static test force ±25KN
Dynamic fluctuation degree No more than ±0.5%
Maximum distance of actuator ±75mm ( can be customized)

Indication Accuracy: ±0.5%

Frequency range 0.01-10Hz

When 0.01- 1Hz, the maximum amplitude is ±50mm

When 0.01-10Hz, the maximum amplitude is ±5mm

Displacement measuring accuracy ±0.5% of indication value
Displacement measuring resolution 0.01mm
Counter 999 999 999 can be preset
Control method Load control; displacement control
Main test waveform Sine wave; triangular wave; square wave;oblique wave; and external input wave
Maximum test space 800mm ( not include clamp )
Distance between two columns 600mm
Host stiffness 1.7*108N/mm.
Host dimension About 1000*710*2800mm
Working pressure 21MPa
Constant pressure servo pump station specification Flow 40L/min; 21MPa; motor power 22KW; 1450r/min
Clamp Special fixture for corrugated pipe
Power supply AC380V
Host Weight About 1200kg

 

The oil tank of the pump station is fully enclosed, which can effectively prevent the external impurities from entering the hydraulic system and contaminating the hydraulic oil.
The oil pump and electric unit are arranged in tandem double – elastic support to further reduce the noise of pump station.
The oil pump adopts the low noise linear conjugate internal meshing gear pump.
The high and low pressure soft switch hydraulic module composed of main overflow valve, accumulator, auxiliary main overflow valve, auxiliary overflow valve and reversing valve and precision filter is used to control the output pressure of the pump station.

 

The test bench adopts electro-hydraulic servo control technology, suitable for various combinations of shock absorber and cylindrical shock absorber static performance test (dynamometer test, speed characteristics). Test methods to meet the requirements of standards. It uses one pumping station, pumping station is equipped with two sets of 100 liters of Rexroth pump, when demanded small flow, only need to open one pump, when demand for big flow, two oil pumps open at the same time. Two oil pumps can be merged to work, also can be completely independent of supply, do not interfere with each other. In the process of starting and saving the energy plays an important role

 

Model PWS-20
Maximum static test force ±25KN
Dynamic fluctuation degree No more than ±0.5%
Maximum distance of actuator ±75mm ( can be customized)

Indication Accuracy: ±0.5%

Frequency range 0.01-10Hz

When 0.01- 1Hz, the maximum amplitude is ±50mm

When 0.01-10Hz, the maximum amplitude is ±5mm

Displacement measuring accuracy ±0.5% of indication value
Displacement measuring resolution 0.01mm
Counter 999 999 999 can be preset
Control method Load control; displacement control
Main test waveform Sine wave; triangular wave; square wave;oblique wave; and external input wave
Maximum test space 800mm ( not include clamp )
Distance between two columns 600mm
Host stiffness 1.7*108N/mm.
Host dimension About 1000*710*2800mm
Working pressure 21MPa
Constant pressure servo pump station specification Flow 40L/min; 21MPa; motor power 22KW; 1450r/min
Clamp Special fixture for corrugated pipe
Power supply AC380V
Host Weight About 1200kg

The oil tank of the pump station is fully enclosed, which can effectively prevent the external impurities from entering the hydraulic system and contaminating the hydraulic oil.
The oil pump and electric unit are arranged in tandem double - elastic support to further reduce the noise of pump station.
The oil pump adopts the low noise linear conjugate internal meshing gear pump.
The high and low pressure soft switch hydraulic module composed of main overflow valve, accumulator, auxiliary main overflow valve, auxiliary overflow valve and reversing valve and precision filter is used to control the output pressure of the pump station.

 

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