Daily maintenance and maintenance methods for universal material testing machines

Universal material testing equipment, routine maintenance, to ensure normal operation and measurement accuracy is of great significance.

Host maintenance:

1, the machine and fixture should be coated with anti-rust oil;

2, because the jaws of the hydraulic universal testing machine are often used, it is easy to wear and oxidize, and the scale is likely to cause damage to the small piston. Therefore, the jaws should be cleaned frequently and kept clean (it is best to clean each wipe after cleaning). tidy);

3, set the steel sliding surface contact plate, the surface of the dovetail groove on the board should be regularly confirmed whether it is clean, regularly apply a layer of grease (molybdenum disulfide) (protection);

4, check the screws in the jaws, if found loose, tighten in time;

5. Regularly check the drive sprocket. If it is found to be loose, please tighten the drive sprocket in time;

Maintenance of the universal material testing machine oil source:

1. Regularly check whether there is any oil leakage at the main engine and the oil source. If oil leakage is found, replace the sealing ring or combination pad in time;

2. According to the use of the machine and the service life of the oil, the oil filter and filter element should be replaced regularly, and the hydraulic oil should be replaced.

3, do not test for a long time, pay attention to turn off the power of the host. If the machine is in the standby state, switch to the "loading" position, because if the switch clicks "return", the electromagnetic reversing valve is always energized (ie, the standby state), which will affect the service life of the device.

Universal material testing machine control system maintenance:

1. Regularly check whether the cable board contact of the controller is good. If it is loose, it should be tightened in time;

2. After the test, if the machine (device) is not used for a long time, the controller and the computer should be turned off;

3. The interfaces on the controller are one-to-one correspondence. If the wrong interface is inserted, it may cause damage to the device; (application heart operation)

4. When plugging and unplugging the interface on the controller, remember to turn off the power to the controller.

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