WAW series Servo-controlled PC analysing Electronic-Hydraulic Universal Testing Machine
WAW series microcomputer-controlled electronic-hydraulic servo universal testing machine is not only suitable for tension, compression, bending conventional tests of metal and non-metal material, but also for low frequency fatigue test of the material and structure. WAW series is a scientific and testing instrument specialized in industrial & mining field, science and investigation department, quality control department, university and college, etc.
Main Function Feature:
- Hydraulic loading, high precision pressure sensor, high precision displacement sensor, microcomputer procession, digital display.
- Automatic measuring range switch
- Constant rate stress control, constant rate strain control, constant rate piston stroke control and loading force long-time-keeping control, etc. are available through three close-cycle rate controlling function with stress, strain and displacement.
- impact-free shift between constant rate stress control, constant rate strain control
- Instant display of test curves as load-displacement, load-time, displacement-time, stress-strain.
- Automatic hydraulic clamping with reliable and none-sliding holding.
- Hydraulic and electronic overload protection. Piston and beam limit position protection.
- Automatically adjusting of load, transmutation and displacement according to the standard.
- Test result can be printed and stored.
- Low frequency function as square wave, sine wave, triangle wave or trapezoidal wave is extensional.
- DOLI-Germany all-digital servo control system is optional to perfect and enhance the testing function.
- Meeting the technical items of Standard GB/T 228-2010 “Metallic Materials – Tensile Testing at Ambient Temperature
| type | WAW-100 | WAW-300 | WAW-600 | WAW-1000 | WAW-2000 |
| parameter | |||||
| max. testing force (kN) | 100 | 300 | 600 | 1000 | 2000 |
| measuring range (stepless during the full range, equivalent four steps) (kN) | 2%~100% of Max. testing force | ||||
| value indication precision | ±1% | ||||
| time of load keeping (indication value deviation with 0.5% of peak load ) (s) | ≥30 | ||||
| max. rising speed of crossbeam(mm/min) | ≥300 | ||||
| measuring precision of deformation | within ±0.5% of full range | ||||
| measuring precision of displacement | within ±0.5% of full range | ||||
| the range of stress rate(N/mm2·s-1) | 2~60 | ||||
| the range of strain rate(1/s) | 0.00025~0.0025 | ||||
| max. distance between clampings(mm) | 550 | ||||
| max. distance between two columns(mm) | 390 | 485 | 560 | 690 | 835 |
| round sample diameter(mm) | φ6~φ20 | φ8~φ35 | φ10~φ35 | φ8~φ40 | φ20~φ70 |
| flat specimen thickness(mm) | ~15 | ~30 | ~40 | ~40 | ~40 |
| max. distance between upper and lower compression plates(mm) | 500 | 450 | 550 | 550 | |
| size of compression plates(mm) | size of upper and lower compression plates | size of upper & lower plate | size of upper & lower plate | ||
| □170×170 | □205×205 | ||||
| max. distance between two supports in bending test(mm) | 500 | 600 | 800 | ||
| max. piston stroke(mm) | 150 | 200 | 250 | ||
| max. rising speed of piston in no-load run(mm/min) | ≥100 | ||||
| dimension of main machine(mm) | 700×540×1735 | 825×635×2130 | 950×660×2500 | 1100×700×2900 | 1300×900×3240 |
| dimension of controlling cabinet(mm) | 600×800×1950 | ||||