CNC hydraulic press relief valve is not leaking is how to return a responsibility

　　When using hydraulic press and we often encounter problems, don't panic when a fault, this time we should stay calm, quickly and accurately find out the reason to solve the problem. The cause of numerical control hydraulic press relief valve is not leaking many a day, and the relief valve wear or hydraulic oil is too dirty; Single column hydraulic press hydraulic oil is not in conformity with the specifications; Ball valve rust, adjust the spring force is not enough or too hard line breaks; Hydraulic oil temperature is too high will lead to thin or hydraulic press of the relief valve is not leaking.

For the cause of numerical control hydraulic press relief valve is not leaking of method is: change the clean, meet the requirements of the standard hydraulic oil; Replace the specified length and stretch of the spring; Replace the press