WAW-D seriesMicrocomputer controlled electro-hydraulic servo universaltesting machineThe (six column) adopts a microcomputer controlled full digital broadband electro-hydraulic digital valve, drives a precision hydraulic cylinder, and automatically controls the test force, displacement, and deformation in multiple modes to complete the tensile, compressive, and bending tests of the sample, which meets the requirements of the national standard GB/T228-2002 "Metallic Materials Room Temperature Tensile Test Method" and other standards.Used for mechanical property testing of metal, non-metal, composite materials and products through tensile, compressive, bending, shear and other methods. It can also be tested and data processed according to GB, ISO, JIS, ASTM, DIN and various standards provided by users.

　　Sida High TechMicrocomputer controlled electro-hydraulic servo for productionUniversal testing machineWidely used for material inspection and analysis in industries such as building materials, aerospace, machinery manufacturing, wires and cables, rubber and plastics, textiles, and home appliances, it is an ideal testing equipment for scientific research institutions, colleges and universities, industrial and mining enterprises, technical supervision, commercial inspection and arbitration departments.

1. The main unit of the testing machine adopts a hydraulic cylinder downward type; The power and transmission devices for adjusting the test space are installed at the bottom of the testing machine, ensuring smooth transmission; The upper and lower jaw seats are fully open structures with an automatic hydraulic clamping system, making it easy to clamp samples and providing good stability

2.Hydraulic universal testing machineUsing Lenovo brand microcomputers, the experimental parameters are set, the experimental process is controlled, data is collected, processed, analyzed, stored, and displayed (the experimental data includes: material tensile strength, elastic modulus, elongation, yield strength, specified non proportional elongation strength, etc.). Precise and accurate control and measurement.

<1> Adopting high-precision amplifier and 24 bit high-precision AD converter, effective inner code: ± 120000; The resolution of the experimental force is 1/120000.

<2> Using PID control to achieve constant speed control of the load, with a speed range of 0.2-5% FS/S and load holding function

<3> Adopting PID control to achieve constant speed control of displacement, with a speed range of 0.6-60mm/min and displacement holding function

<4> Adopting PID control to achieve constant speed control of strain, speed range: 0.00025/S-0.0025/S with strain holding function

Main specifications: WAW-D

1. Z large test force: 300KN/600KN/1000KN/2000KN

2. Accuracy level: Level 1

3. Test force measurement range: 2% to 100% FS (full scale)

4. Test force indication error: within ± 1% of the indication

5. Test force resolution: 0.01kN

6. Deformation measurement range: 2% to 100% of the extensometer range

7. Deformation indication error: within ± 1% of the indication

8. Deformation resolution: 0.001mm

9. Displacement indication error: within ± 1% of the indication

10. Displacement resolution: 0.01mm

11. Clamping method: hydraulic clamping

12. Piston stroke: 200mm

13. Piston Z large movement speed: 50mm/min/100mm/min

14. Z large tensile test space: 550mm/800mm (including piston stroke)

15. Circular specimen clamping diameter: 6-26mm/13-40mm

16. Flat specimen clamping thickness: 0-15mm/0-30mm

17. Z large compression test space: 500mm/800mm (including piston stroke)

18. Pressure plate size: Φ 150/Φ 200

19. Bending test roller spacing: 400mm

20. Bending test roller width: 140mm/150mm

21. Overall dimensions of the host (length x width x height):

（800×550×2000）mm/（1080×700×2500）mm

22. Weight: Approximately 1700Kg/2000Kg/2200Kg

23. Power supply: 380V, 50Hz, 1.5kW/380V, 50Hz, 3.0kW