Dongguan Zhongli Instrument Technology Co., Ltd.
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Building Materials Electro-hydraulic Pressure Test Machine , Overload Protection
Introduction:
The testing machine is mainly used for brick, stone, cement, concrete and other building materials, compressive strength test, can also be used to test the mechanical properties of other materials.
Hydraulic System:
The oil tank is sucked through the filter screen and be inhaled pump oil ,through the petroleum pipeline of oil pump transport to oil valve,When the hand wheel to send off the oil, due to the role of oil will push the piston, the oil from the return pipe to tank, when the hand wheel to open get the oil, then the working fluid into the fuel tank through the tubing, pressure tubing through and through oil return valve to tank.
Control system:
This machine adopts hydraulic loading, electronic measuring, with a load of figures, the loading rate shows that the maximum load to maintain, as well as overload protection and power data retention and other functions.
Safety protection device:
When the test force more than 3% of the maximum test force, the overload protection, oil pump motor shut down.
Fixture:
Whole set fixtures include: a set compression platen fixture
Main performance technical specifications:
| Max load KN | 100kN(resist bend) | 10kN(resist bend) | 302kN(resist bend and compress) |
| Test force measuring range KN | 4%-100%FS | ||
| Test Force showed the relative error | ≤indicating value±1% | ||
| Test Force Resolution | 0.01kN | ||
| Hydraulic pump rated pressure | 25MPa | ||
| Bearing compress plate size | φ155mm | ||
| Maximum distance between the upper and lower plate | 230mm | ||
| Resist bending roll diameter | φ32mm | ||
| Maximum distance between the upper and lower resist bending rollers | 165mm | ||
| between two bending rollers upon the center distance | 150mm | ||
| between two bending rollers under the center distance | 450mm | ||
| Piston diameter | φ130mm | ||
| Piston stroke | 80mm | ||
| Motor Power | 3 phase 0.75 kW | ||
| Outside dimension mm | 850×620×1340mm | ||
| Net weight | 400Kg | ||
