Key points of daily maintenance of the hottest det

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Key points of daily maintenance of testing instruments

daily maintenance of testing instruments and testing machines is of great significance to ensure the normal operation of equipment and measurement accuracy

host maintenance:

1. The fixture equipped with the machine should be coated with anti rust oil for storage

2. Because the jaw of the testing machine is often used, it is easy to wear, and when there is too much oxide skin, it is easy to cause damage and oil leakage of the small piston, so the jaw should be cleaned frequently and kept clean (it is best to clean after each test); The outline of the indentation in the ductile single crystal is mainly composed of the intersection of the indenter and the uplift line of the displacement material around the indentation

3. The sliding surface of the inlaid steel plate in contact with the lining plate and the dovetail groove surface on the lining plate should be kept clean, and a thin layer of MoS2 (molybdenum disulfide) grease should be coated regularly

4. Regularly check the screws at the jaw. If they are loose, tighten them in time

5. Regularly check the transmission of the sprocket. If it is found to be loose, please re tension the tensioning wheel

maintenance of oil source:

1. Regularly check whether there is oil leakage at the main engine and oil source. If there is oil leakage, replace the sealing ring or combined gasket in time

2. Is there any difference between tensile strength and yield strength according to the use of the machine? According to the service life of the oil, regularly replace the oil suction filter and filter element, and replace the hydraulic oil

3. When not doing the test for a long time, pay attention to turning off the power supply of the host. The unit of the testing machine is a low force application system. If the machine is in standby mode, the change-over switch should be turned to the loading gear, because if the change-over switch is turned to the fast reverse gear, the electromagnetic directional valve is always in the energized state, which will affect the service life of the device, and the export market is relatively scattered

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