What maintenance work needs to be done when using the material testing machine
This kind of testing machine adopts hydraulic afterburner, liquid crystal display for force measurement, and the design of the main body and the dynamometer is separated. It has the characteristics of convenient operation, stable and reliable work, and stable loading. However, if you want to maintain the original state, Also need to do some maintenance work in use. Material testing machine maintenance: 1, keep it tight. Textile instrument manufacturers introduced that during the use of the material testing machine, because the vibration during the test is prone to loosening, the relevant parts should be tightened after the material testing machine has been used for a period of time. 2. The use of hydraulic oil. In hydraulic rotation, N68 precision machine tool hydraulic oil can be used, or other similar specifications of oil can be used, with a kinematic viscosity of 11-14 centistokes (100°C). Connect the oil pipe. When installing the oil pipe connecting the main body and the dynamometer, the inside of the oil pipe should be cleaned with kerosene to ensure the cleanliness of the oil circuit. Attention should be paid to the integrity of the gasket at the joint to prevent oil leakage under high pressure. 3. Material testing machine maintenance: the use of lubricating oil. Lubricating oil can be poured on the screw of the lower jaw to lubricate the screw and the screw nut. There is an oil filling hole on the base, which is used to inject the oil into the oil to lubricate the worm. As measured by the oil needle, the maximum oil level of the oil stick does not exceed the lower flat part of the oil needle. The lower end of the oil stylus is the lowest oil level in the oil stick. 4. Filling and draining oil. Textile instrument manufacturers introduced to open the air filter on the fuel tank, fill the fuel tank with oil, and the amount of fuel injected at one time is about 24 kg. Please refer to the manual for the specifications of the oil used. When draining the oil, just open the oil nipple at the bottom of the left side of the dynamometer. The service life of the oil is determined according to the climate of each place. If the oil is found to deteriorate or become dirty, the oil should be replaced.
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