The hydraulic universal testing machine has very high accuracy requirements. If the hydraulic universal testing machine cannot be guaranteed to be clean and dust-free, and dust enters the hydraulic system, it will cause very serious consequences such as clogging the valve hole and scratching the piston surface. Therefore, we should ensure that the hydraulic pressure The cleanliness of the universal testing machine, then in addition to cleaning the surface dust, what else do we need to do? With this question, let us look at the following content.
1. Regularly check the screws at the jaws of the jaws, if loose, tighten them in time;
2, check the transmission of the sprocket regularly, if there is any looseness, please re-tension the tensioning wheel;
3, the hydraulic universal testing machine will inevitably produce some dust during the test, such as oxide scale, metal debris, etc., which will not only cause wear and scratches on the surface of some parts;
4. The fixtures of the hydraulic universal testing machine should be coated with anti-rust oil for storage;
5. The jaws of the hydraulic universal testing machine are often used, which are easy to wear and easily cause small piston damage and oil leakage. The jaws should be frequently cleaned and kept clean;
6.The sliding surface of the inlaid steel plate and the liner and the dovetail groove surface of the liner should be kept clean, and a thin layer of molybdenum disulfide grease should be applied regularly.
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