HWS Electro-hydraulic Servo Fatigue Testing Machine
| Model | HWS-50 | HWS-100 | HWS-200 | HWS-250 | |
| Load Capacity(kN) | Static | 50 | 100 | 200 | 250 |
| Dynamic | ±40 | ±80 | ±160 | ±160 | |
| Measurement
Accuracy |
Load | ±1.0% of Reading | |||
| Displacement | ±1.0% FS of Each File | ||||
| Deformation | ±1.0% of Reading | ||||
| Range Of Frequency | 0.1～15Hz / 20Hz / 50Hz | ||||
| Stroke of Piston(mm) | ±50 | ±50 | ±75 | ±75 | |
| Distance Between Columns(mm) | 500 | 500 | 700 | 700 | |
| Distance Between Grips(mm) | 50~600 | ||||
| Specification of constant voltage servo pump station | flow≥37L/min, 21Mpa, 380V three phase | ||||
1. Application
This series computer Control Electro-hydraulic Servo Fatigue Testing Machine is ainly 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.
2. Standards
2.1 GB / T2611-2007 《Tester General technical requirements》
2.2 GB / T16826-2008 《Hydraulic servo universal testing machine》
2.3 GB 3075 《Axial fatigue testing metal》
2.4 JB / T9379-2002 《Tension and compression fatigue test machine technical conditions》
2.5 GB / T228-2010 《Metallic materials at room temperature tensile test method 》
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