Causes and treatment methods for the oil pump failure of tensile test

a lot ofTension testerThere are many problems in the use of oil pumps, and the oil discharge volume often occurs after the test oil pump is started. Our company analyzed the reasons for this phenomenon:

, the oil pump piston return spring is damaged or the piston and piston sleeve are stuck.

Solution: Change nowTension testerreturn spring or other damaged parts.

Second, the oil distribution valve and the oil distribution valve seat are not tightly closed or there are debris.

Solution: Remove the oil distribution valve and oil distribution valve seat, thoroughly clean and remove debris, or use the same steel ball to match the valve seat of the grinding tension testing machine, and use the light leakage method to check after the grinding, so there must be no light leakage.