The four-column hydraulic press is relatively easy to use after the running-in period, but there will also be various minor faults. We must distinguish these faults in order to eliminate them in a targeted manner. Today, let's learn the tricks of judging hydraulic faults.
We also use the method of seeing, hearing, asking, and diagnosing hydraulic faults, listening to noise, listening to the noise of the hydraulic pump and hydraulic system of the four-column hydraulic press, whether there is a scream in the control components such as the relief valve and the sequence valve, and listening to the impact of the hydraulic cylinder of the four-column hydraulic press workbench when reversing. Sound, whether the piston has the sound of hitting the bottom of the cylinder, whether the reversing valve has the phenomenon of hitting the end cover, etc., pay attention to the abnormal sound of steam turbidity and trapped oil, check whether the hydraulic pump is sucking in air, and whether there is serious trapped oil. Eliminate in time, whether there is a knocking sound caused by damage when the hydraulic pump is running, it is not an artificial knock, but an abnormal collision of the four-column hydraulic press.
Touch the moving parts of the four-column hydraulic press with your hands, and touch the surface of the hydraulic pump, fuel tank and valve components. If you feel hot for two seconds, you should check the cause of the high temperature rise, and touch the vibration of the moving parts and pipelines of the four-column hydraulic press. If there is high-frequency vibration, check the cause. When the worktable is moving at a low speed with light load, feel for crawling, and touch the tightness of the stopper, micro-switch and fastening screws.
Smell, judge whether the oil fluid of the four-column hydraulic press has deteriorated and smelled, and whether the rubber parts emit a burnt smell due to overheating, etc. Generally, the failure of the hydraulic press will be recorded and pulled down. We should regularly check the failure analysis, repair, check the shift record, and maintenance. Maintenance situation; each person's judgment ability is different, so the results obtained are also slightly different. It is best to eliminate the hydraulic failure of the four-column hydraulic press. It is better to find a technician to repair and eliminate it.
