Shanxi Qiu Lin Machinery Co., Ltd. has a total assets of 300 million yuan,
with all kinds of advanced processing and testing equipment, major parts are processed by CNC machining center.
Common Trouble and Remedy Method of Hot press
Trouble | Cause | Remedy method |
Press don’t act | 1. the safe switch cable elasticity isn’t suitable, emergency switch isn’t reestablish | Adjust safe switch cable reestablish emergency switch |
2.Oil pump motor reverse, there is no oil in the oil cylinder | Adjust power phase sequence, add enough oil. | |
3.overfolw valve block up damage | Take down wash replace | |
Pressure failure | 1.there is dirt in the cone valve of the overflow valve | Clean it |
2.wear out of cone valve | Replace | |
3.spring break off | replace | |
4.oil leakage from pump to integration block | Replace the o-ring | |
5.insert valve F3 seal section valve core damaged seriously | Clean it replace | |
System don’t keep pressure | 1.oil cylinder pipe leakage | Replace the o-ring |
2.there is dirt in the electric check valve seal section, seal section worn out | Clean it replace | |
3.there is dirt in the ball valve F4 F5 | Clean it replace | |
Not steady | 1.if don’t exclude system air when maintain | Exhaust( there is exhaust valve in each oil cylinder) |
2.synchronization setup loosen other condition | Adjust vertical horizontal synchronization rack lock when press close |
