Guangzhou Academy of Machinery Science, National Rubber and Plastic Products Testing Center-Anti-icing and Anti-Mud Sealing Test Bench
★Piston rod icing test: the lowest working temperature inside the piston rod: -70°C-0°C, the temperature and humidity in the adjustable test chamber: 25 ±3°C, 70%-95% (relative humidity).
★Piston rod deicing test: the maximum stroke of the piston rod: 300mm; the time interval between two adjacent ice formations (the thickness of the ice layer is 2mm) does not exceed: 5min;
★PLC control, computer acquisition;
★Configuration calculation auxiliary test function, test curves and reports can be stored and printed.
Guangzhou Academy of Machinery Science, National Rubber and Plastic Products Testing Center Reciprocating Seal Test Bench
★Pressure of the tested chamber: 0~63 MPa (different shock pressure waveforms can be set, such as rectangular waves, etc.), reciprocating stroke: maximum 1000mm (adjustable stroke), reciprocating speed: 0.1~1 m/s
★The test bench adopts a one-drive-two drive form, that is, one drive cylinder drives two tested cylinders, and the drive cylinder and the tested cylinder use independent oil supply systems.
★A tested cylinder is placed in the external environment (with a protective cover) and can be used for all tests at room temperature (20~80℃); the other tested cylinder is placed in a sealed compulsory temperature control cabinet, except that it can be used at room temperature ( In addition to all tests under 20~80℃), low temperature (minimum -45℃) test and high temperature (maximum 120℃) test can also be done.
Beijing University of Aeronautics and Astronautics, AVIC Research Institute (AVIC 301 Institute) Aerospace hydraulic seal test bench
★The pressure of the test chamber: 0~28 (±1.5) MPa, the oil temperature of the test chamber: 135℃, the speed of the piston rod of the test cylinder: 0.1~1m/s adjustable, and the stroke of the test cylinder: 0~200mm adjustable.
★PLC control, computer acquisition;
★Configuration calculation auxiliary test function, test curves and reports can be stored and printed.
Weiwan Technology Co., Ltd. Hydraulic Reciprocating Rod Sealing System Test Bench
★Main motor power: 55 kW; Working stroke: 600mm;
★The test bench should adopt a one-drive-two drive form (one drive drives two cylinders under test, and one-drive-one test can be used, and the mechanism should be easy to disassemble and run stably) to achieve the performance comparison of multiple seals at the same time.
★Reciprocating stroke accuracy: ≦± 30mm / 600mm; Main motor speed control accuracy: ≦±5%; Pressure measurement accuracy: ≦±0.25%;
Shanghai Jianuo Sealing Technology Co., Ltd. Hydraulic reciprocating seal test bench
★Reciprocating stroke: up to 400m (adjustable stroke); Pressure of the tested chamber: 1.5~40MPa; Oil temperature of the tested chamber: 40-70℃;Sealing element shaft diameter: The sealing groove can be replaced. Considering the scalability of the tested cylinder during the design of the bench, different test cylinders can be replaced according to the shaft diameter of the tested seal in the future. The maximum shaft diameter of the tested seal is 63 mm. ;
★Test cylinder hydraulic unit and control unit, reciprocating motion power unit and control unit, sensor and measurement system, computer control system, etc. The appearance of the test bench is required to be beautiful, convenient to test, and safe to use.
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