Cutting machine fault repair guide

1.The cutting oil temperature is too high

A. The oil pump is damaged, and the internal parts wear out and generate heat when they rotate at high speed.

B. Internal leakage of hydraulic components, such as broken directional valve buckles or damaged seals, causes high-pressure oil to flow through small spaces to generate heat.

C. Improper pressure adjustment, the hydraulic system has been under high pressure for a long time and overheated.

2.Cutting machine noise

A. Insufficient hydraulic oil in the fuel tank, the air pump sucks air or the oil filter is blocked by dirt will cause the oil pump to run out of oil, resulting in oil

The air bubbles that are ejected hit the blades and generate noise. The solution is to check the amount of oil to prevent air intake and filter cleaning.

B. The hydraulic oil has high viscosity and increases the flow resistance. It is necessary to replace the appropriate hydraulic oil.

C. As the bearing or blade of the oil pump or motor is damaged, the concentricity deviation of the coupling causes noise, and the concentricity must be adjusted to replace the parts.

D. The directional valve fails to respond but still functions, such as valve core wear, internal leakage, burr obstruction, inflexible movement, and solenoid valve due to electricity.

Noise can cause noise if it fails to flow. The solution is to clean the valve core or replace with new parts, and the current must be stable and sufficient.

E. The hydraulic components are damaged or the oil pipeline is blocked, which causes noise when the hydraulic oil flows at high speed.

F. The mechanical part is faulty, the parts are not sufficiently lubricated, and the parts are loose. The cause should be found and tightened or replaced.

3. The cutting platen of the cutting machine does not descend, or does not reset after descending.

A. There is a problem with the cutting switch. Check or replace it.

B. There is not enough oil in the fuel tank or the oil pipe is leaking. Refuel or tighten the oil pipe joint.

C. The solenoid valve cannot be reset, repaired or replaced.

D. The relay has poor contact, and the main oil circuit cannot be switched. Check the circuit.

4.Inadequate cutting pressure

A. The oil pump is damaged or the oil inlet is blocked, and the oil cylinder is leaking. After inspection, remove it according to the situation.

B. The touch of the micro switch is too slow or malfunctioning. Adjust it to touch or replace it with about 10MM before the cutting point.

C. Solenoid valve failure, check the solenoid valve spindle.

D. The circulating oil in the fuel tank is insufficient. Make up the circulating oil to make the oil level exceed the oil filter.

Any other question of cutting mahcine, feel free contact with yancheng city huasen machinery co.,ltd .  huasen specialized in cutting mahcine more than 30 years, 60% of products are export. emial address is amelia@ychlxj.com, mobile: 0086-17305156202 website is www.ychlxj.com