This machine is specifically designed for the mechanical performance testing of prestressed steel strands. The specialized clamp for steel strands can ensure that the middle of the sample breaks, thereby measuring the true effective value of the steel strand. The measurement and control system adopts a fully digital multi-channel closed-loop measurement and control system with three closed-loop functions, which can perform stress, strain, displacement closed-loop control and other control methods, and can switch without impact. It can measure the tensile strength, specified non proportional elongation strength, elastic modulus, elongation and other mechanical properties of steel strands.
Main technical parameters
1) Maximum test force: 1000kN
2) Test force measurement range: 2% -100%
3) Relative error of test force indication: ± 1%
4) Experimental power resolution: 1/500000
5) Relative error of deformation indication: ± 1%
6) Deformation resolution: 1/500000
7) Maximum tensile test space: 1100mm
8) Piston stroke: 150mm
9) Column spacing: 420mm
10) Steel strand clamping range: standard configuration with a diameter of 15.2mm
11) Pressure plate size: 200 * 200mm
12) Clamping method: hydraulic clamping
13) Host dimensions: 750 * 600 * 2600mm
14) Oil source control console size: 1100 * 750 * 1000mm
15) Total power of motor: 2kw
16) Total weight: 2800kg
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