The four column hydraulic cutting machine has no pressure failure. It will appear more times. What is the reason why there is no pressure on the automatic feeder? According to the general situation analysis, most of the pressure failures are hydraulic components and hydraulic accessories. Here we are to analyze the reasons:
The oil cylinder seal of the precision four column oil pressure cutting machine is damaged or leaking. The leakage of the cylinder seal is the most difficult to check. This method needs a certain mechanical base technology; the method is to dismantle the pipe with the rod cavity, and after pressurization, if the oil outflow proves that the seal is leaked, it is proved to be normal.
Solution: replace the seal or oil cylinder.
A picture of a precision four - column cutting machine
The outer joint or seal of the automatic feeding cutter is oil leaking, and the external oil leakage is more obvious. Generally, the static state and the pressurized state can be observed by the naked eye.
Solution: repair oil spill parts or replace parts.
The leakage or damage of the hydraulic valve of the precision four column oil pressure cutting machine; any leakage in the hydraulic system will affect the establishment of the pressure; the leakage of the hydraulic valve is most difficult to be found. Generally, the leakage is usually difficult to be observed by the internal leakage of the naked eye; there is a simple method that is not necessarily accurate but very effective, which is to turn the top work to the maximum and see if the worktable will be able. There are slipped, if there is evidence that the system is leaking out, other joints and other external teeth can be roughly discriminate whether the leakage of hydraulic valves.
Solution: replace the hydraulic valve.
The quality of oil or oil is too poor, which will cause the oil pump suction or premature wear of the automatic feeding cutter.
Solution: please keep enough oil and oil quality, and regularly replace hydraulic oil on time.
The oil pump is empty or damaged; the oil pump is the core component of the whole system pressure. The whole system is pressurized by the oil pump; therefore, if the pump inhaled air or damage, the effect of the pressure on the system is huge. If the general oil pump is empty or damaged, it will see many bubbles in the hydraulic oil, or there will be abnormal noises. The most direct way is to directly connect the pressure pump to the oil pump.
Solution: replace or repair the oil pump.