Computer Control 100 kN Hydraulic Servo Horizontal Electronic Tensile Testing Machine
Machine Features:
1. Load measurement: adopting load cell to ensure high accuracy, reliability and consistency;
Load meets or exceeds the following standards: ASTM E4, ISO75000-1, EN 10002-2, BS1610, DIN
51221.
2. Displacement measurement: adopts optical encoder with high accuracy and stability;
3. Strain measurement: Adopt high accuracy electronic extensometer: Strain measurement meets or
exceeds the following standards: ASTM E83, ISO 9513, EN 3846 and EN 1002-4.
4. Compact structure: with dual testing spaces and easy to adjust testing space to carry out different test
of varying-length specimens; The machine has four column and two screw with strong stiffness;
5. Clamp automatically: uses hydraulic grips with reliable holding;
6. Multi-protection: protection of over-load by software and hardware; position-limited protection of piston
and lower crosshead;
7. Test report can be acquired according to requirements of customers;
8. Management of test data: uses Access, Excel and other such kind software to communicate with
testing data base;
9. Stable performance with little influence of temperature and voltage;
10. Multiple Servo control mode : Load (Stress) Control; Displacement (Stroke) Control, Strain
(Deformation) Control. Load keeping, Displacement Keeping, Customized programming Control, etc
Main technical specifications:
Max load: 1000KN
Load range: 20-1000kN
Load resolution: 1/200000
Load accuracy: ≤±1%
Deformation accuracy: ≤±1 %
Driving method: Hydraulic system
Test curves’ mode: Load – deformation, Load – time, Load-Displacement, Stress-Strain, Time-Stress,
Time-Strain, Deformation-Time, Displacement-Time, etc
Velocity display mode: loading velocity, strain velocity
Parameters processed with computer: Upper & lower yield point strength ReH & ReL, max. load point,
breaking strength, stress, deformation, elongation rate, elastic modulus & бP0.2.etc.
Control mode: Displacement control; Load control; Strain control; Stress Control.
Max. Tensile space: 750mm
Clamps for flat specimen: Thickness 0 – 40mm
Clamps for round specimen: Diameter Ø 12-60mm
Max. Effective Compression space: 600mm
Compression plate diameter: Ø 148mm
Max. Bending test effective space: 600mm
Ram stroke: 250mm
Crosshead lifting speed: 280mm/min
Testing Speed control range: 0.5-50mm/min
Load measuring mode: Load cell
Displacement measuring mode: Photoelectric encoder
Deformation measuring mode: Extensometer
Power supply: 380VAC, 50Hz, 3-Phase
Safeguard:
Overload protection: When the testing load is over 2%-5% of Max. Load, the system will unload.
Stroke protection: When the ram arrives at the upper limited position, the motor of oil pump will stop
Control Unit:
1. Constant speed piston stroke control:
Control range: Ram stroke speed
Setting range:0.5～50mm/min
2. Constant speed load control: Control range:2～100%of full scale load
3. Displacement-keeping control
4. Load-keeping control
5. Constant speed strain control range: 5～100% of full scale strain
6. Emergency shut down button & over load protection (auto stop) function equipped and return to the specified position automatically.
7. Control mode of operation: Auto/Manual function changeable
8. Automatic endpoints: The tester stops automatically while specimen breaks
9. Display of testing parameters: Value and real-time curve (Load and Stroke), available to display and switch from computer. Also the elongation can be calculated.
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