PWA-50H Computer Control Electro-hydraulic Servo Fatigue Testing Machine
This series computer Control Electro-hydraulic Servo Fatigue Testing Machine is mainly used to detect a variety of metals, non-metallic materials and small movable member, the static mechanical properties test.
It can do tensile, compression, bending, low cycle and high cycle fatigue, crack growth, fracture mechanics test under sine, triangle, square wave, trapezoidal wave, random wave, combination waveform.
This Test machine is flexible, moving beam down, locking the sample holder by button operations, the use of advanced hydraulic servo drive technology loaded, high precision and high resolution dynamic load sensor magnetostrictive displacement sensor specimens force values and displacement.
Standards
GB/T2611-2007 《Tester General technical requirements》
GB/T16826-2008 《Hydraulic servo universal testing machine》
GB 3075 《Axial fatigue testing metal》
JB/T9379-2002 《Tension and compression fatigue test machine technical conditions》
GB/T228-2010 《Metallic materials at room temperature tensile test method》
GB/T3075 《Control Method for Axial Force in Fatigue Test of Metallic Materials》
Main Technical Specifications
Model | PWA-50H |
Maximum dynamic test force | ±50kN |
Maximum static test force | 50kN |
Measuring range of test force | 2%-100%FS |
Test force indication accuracy | ≤±1% (2%-100%FS) |
Fluctuation of dynamic indication of test force | ±0.5%FS |
Sine wave distortion | ≤1% |
Maximum displacement of actuator | ± 50mm |
Displacement measurement accuracy | ≤±0.1FS |
Main test waveforms | Sine wave, square wave, triangle wave |
Test frequency range | 0~50Hz |
Test attachment | Special test attachment one set |
Control system | Full digital servo control, closed loop control loop, smooth switching during test |
Effective test space | 600mm |
Column center distance | 680mm |
Stiffness of host frame | 3.0×109N/m |
Host machine size | 1200×1000×2400mm |
Weight | 1800kg |
System protection function | It has overload, over setting, over range, over test parameter setting, pump station overpressure, over temperature, oil filter blockage and other protection functions |
Specification of constant voltage servo | Flow≥18L/min, 21Mpa, 380V three phase |
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