Maintenance skills of hydraulic universal machine in main unit, oil source, and control system

Host maintenance:

1. The fixtures equipped with the machine should be coated with anti-rust oil for storage;

2. Since the jaws of the screen explicit hydraulic universal testing machine are often used, they are prone to wear and tear. When there is too much oxide scale, it is easy to cause damage to the small piston and oil leakage. Therefore, the jaws should be cleaned frequently and kept clean (clean after each test);

3. The sliding surfaces in which the steel plate inlay and the lining plate contact 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 applied regularly;

4. Check the screws in the jaw area regularly. If they are found to be loose, tighten them in time;

5. Check the transmission status of the sprocket regularly. If you find loose, please re-tension the tensioner;

Maintenance of hydraulic universal test engine oil source:

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

2. Regularly replace the oil suction filter and filter element according to the use of the machine and the service life of the oil, and replace the hydraulic oil.

3. When not doing tests for a long time, be careful to turn off the mains power supply. If the machine is in standby state, the switch should be turned to the "load" setting, because if the switch is turned to the "quick reversal" setting, the solenoid reversing valve is always in the power-on state, which will affect the service life of the device.

Control system maintenance:

1. Regularly check whether the connection wire on the rear panel of the controller is in good contact. If it is loose, it should be tightened in time;

2. If the machine is not used for a long time after the test, turn off the controller and computer;

3. The interfaces on the controller are one-to-one, and plugging in the wrong interface may cause damage to the device;

4. The interface on the plug-in and unplug the controller must be powered off.

The above is the maintenance method during the use of hydraulic universal testing machine. More test machine information is available at Jinan Hengsi Shanda Instrument Co., Ltd.