Impact testing machine LGW-50D
computer-controlledmaterialsfor laboratories

impact testing machine
impact testing machine
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Test type
Operating mode
Test material
for laboratories, for research and development, for railway applications


The LGW-50D microcomputer-controlled graphite impact tester is a testing equipment developed and manufactured by Liangong for a railway supporting enterprise to determine the impact resistance of friction carbon blocks for railways. The graphite material impact test equipment adopts circular grating angle measurement technology, which has the characteristics of high accuracy, good stability and large measurement range. The digital measurement shows the breaking power, impact strength, pre-elevation angle, rise angle, average value of batch test, automatic correction of energy loss, printing and storage of test reports and other functions. 1. Technical indicators (1) Resolution of impact value display: 0.01 J (2) Instrument accuracy: the impact energy error is less than 0.1% of the maximum range (3) Initial energy error of pendulum: initial energy error: 1.5% (4) Operating environment temperature: 15~35℃ (5) Power supply: 220V±10%, 50Hz (6) Microcomputer display and print test report 2. Specifications (1) Impact energy: 25,50J (2) Moment of pendulum: Pd25=13.397642Nm Pd50=26.795284Nm Strike center distance 395mm speed v= 3.8m/s (3) Pre-lift angle of pendulum: 150°±1° (4) Distance from impact blade to upper plane of jaw: 22mm (5) Blade radius: R=0.8mm (6) The initial energy error of the pendulum: <±1.5% (7) Impact energy loss before correction: <0.5% (8) Energy loss after correction: <0.2%



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