液压机滑块为什么不下行,设备滑块故障分析

液压机设备滑块不回程故障

(1)安全维修开关安全维修开关不到位或接线不正确

(2)锁紧缸退回不到位或接线不正确、程序问题

(3)油箱油位下限发讯或接线不正确、程序问题

(4)液压机油箱油温超过60°C或接线不正确、程序问题

(5)润滑油下限发讯或接线不正确、程序问题

(6)滑块回程（或上极）限开关发讯（位移传感器设定值）或接线不正确、程序问题

(7)液压机主缸上、下腔压力、滑块下限开关发讯接线不正确、程序问题

Failure of slide block of hydraulic press not returning

(1) Safety maintenance switch safety maintenance switch is not in place or wiring is not correct

(2) Locking cylinder return is not in place or wiring is not correct, program problems

(3) The lower limit of oil level of oil tank is sent or the wiring is incorrect, and the procedure is wrong

(4) The oil temperature of the hydraulic oil tank exceeds 60 ° C or the wiring is incorrect and the procedure is wrong

(5) The lower limit of lubricating oil is sent or the wiring is incorrect, and the procedure is wrong

(6) Slider return (or upper pole) limit switch sends signal (displacement sensor set value) or wiring is incorrect, program problem

(7) The upper and lower chamber pressure of hydraulic press master cylinder and the lower limit switch of slide block have incorrect wiring and program problems