Automotive Leaf Spring Testing Machine Microcomputer-Controlled Spring Fatigue Tester Suspension Spring Property Test Equipment

Test Force Unit

Maximum dynamic test force

±300kN

Maximum static test force

±400kN

Effective measurement range (static)

1%~100%FS

Effective measurement range (dynamic)

2%~100%FS

Static test force indication accuracy

Less than ±0.5%

Dynamic test force indication accuracy

Less than ±1.0%

Average load fluctuation of test force

Less than ±1%

Dynamic load fluctuation of test force

Less than ±2%

Load sensor overload capacity

150%

Amplitude fluctuation

≤±1%

Test force resolution

1/1000000

Test force indication accuracy

±1%

Relative error of test force indication

±1%

Displacement Unit

Maximum system displacement

Not less than ±125mm (total stroke 250mm)

Dynamic displacement control accuracy

≤±0.5%FS

Dynamic force control accuracy

≤±1%

Displacement resolution

0.001mm

Relative error of displacement measurement indication

±0.5%

Actuator Specifications

Effective stroke of actuator

Not less than ±125mm

Maximum working pressure

21MPa

Maximum dynamic test force

±300kN

Maximum static test force

±400kN

Installation form

Front flange connection, installed above the upper crossbeam

Test frequency

0.1~5Hz

Amplitude-frequency characteristic

Corresponding frequency of 1.7Hz at ±50mm with 300kN load

Main test waveforms

Sine wave, square wave, triangular wave, ramp wave, half-sine wave, half-triangular wave, various combined waveforms

Test control modes

Displacement closed-loop control with load display; Load closed-loop control with displacement display