Reinforcement repeated tensile and compressive testing machine

Reinforcement repeated tensile and compressive testing machineThe software integrates various specialized material testing method standards, and can perform relevant testing operations and data processing according to the special needs of these standards. Such as "JG T163-2013 Sleeve for Mechanical Connection of Steel Reinforcement", "JGJ107-2016 Technical Specification for Mechanical Connection of Steel Reinforcement", GB/T5224-2003/ISO6934-4:1991/ASTM A 416/A416M/Steel Strand for Prestressed Concrete, GB1499-1998 Hot Rolled Ribbed Steel Reinforcement for Reinforced Concrete, etc. A precision testing instrument developed for tensile, compressive, bidirectional tensile and compressive, fatigue, low cycle fatigue, crack propagation, fracture mechanics and other tests on mechanical connection joints of steel bars. Based on the Wingdows platform, a dedicated software can determine the fatigue characteristics of materials under load spectra such as sine waves, triangular waves, rectangular waves, oblique waves and random waves of tension compression and tension compression alternation.

Technical indicators:

1. Maximum static test force: ± 1000kN;

2. Maximum dynamic test force: ± 1000kN;

3. Static test force measurement accuracy: ± 1% F.S

4. Deformation measurement resolution: 0.01 mm;

5. Static deformation measurement accuracy: ± 0.5% F.S

6. Displacement resolution: 0.01mm;

7. Static displacement measurement accuracy: accuracy of ± 1% F.S

8. Maximum stroke of oil cylinder: ± 1000mm

9. Stretching space: 1000mm (distance between two clamps)

10 Control modes: Electro hydraulic servo closed-loop control, with smooth switching of control modes;

11. Display mode: The computer screen displays the measured values of test force, piston displacement, and sample deformation, the screen displays the test curve, and the screen is zeroed and calibrated;

12. Computers automatically process data and plot experimental curves.

13. Main body dimensions and others: approximately 1200 * 1100 * 350mm, pump station dimensions: 600 * 600 * 1500mm

14. Power supply voltage: 380V, 50Hz

Reinforcement repeated tensile and compressive testing machineMeasurement control:

1. The system consists of electro-hydraulic servo pump station, independent hydraulic clamping module, fully digital PC servo controller, electro-hydraulic servo valve, pressure sensor, photoelectric displacement sensor, extensometer for measuring specimen deformation, testing machine dedicated measurement and control card, printer, measurement and control software, electrical control cabinet and other units;

2. Standard electro-hydraulic servo oil source:

a、 For the load adaptive oil inlet throttling speed control pump station, mature technology is used to design and manufacture modular units according to standards, specifically designed for use with electro-hydraulic servo universal testing machines;

b、 Choose imported oil pump (Fujitsu, Japan) with reliable quality and stable performance;

c、 Fully enclosed servo oil tank, equipped with air filtration device, liquid level gauge, etc; The system has a filtering accuracy of 5 μ, fully ensuring that the servo valve operates in a high cleanliness environment;

d、 Adopting mature combination technology of overflow valve, throttle valve, and solenoid valve for high and low pressure switching;

e、 Pipeline system: Stable performance group kits are selected for pipelines, joints, and their seals to ensure reliable sealing of the hydraulic system and prevent oil leakage faults;