FAQ

Semi-automatic operation failure

The semi-automatic operation of the injection molding machine is to open the safety door, close the travel switch, send a signal to the machine to start the semi-automatic action, and then close the mold.

Hydraulic oil temperature is too high

Hydraulic oil temperature is too high
1. The oil pump pressure is too high: appropriately lower the working pressure according to the plastic molding process.

The Mold Cannot Be Adjusted or Is Difficult To Adjust

The mold cannot be adjusted or is difficult to adjust
1. System pressure adjustment is too low

Does Not Feed Material

During pre-molding, the screw rotates but does not feed material.
1. Back pressure is too high

No Pre-molding or Pre-molding Too Slow

No pre-molding or pre-molding too slow
1. The pre-plastic end travel switch is closed, open the bumper of the travel switch,

No injection or slow speed

No injection or slow speed
1. The injection pressure is low and the injection speed is too slow: Increase the injection pressure and speed up the injection speed.

Does Not Fit The Mold

Doesn't fit the mold
1. The wiring of the safety door travel switch is loose or damaged, and the safety door travel is not depressed. Check SQ1, SQ2, and SQ3.

The Large Pump Cannot Produce Pressure

The motor can rotate, but there is no pressure or the large pump cannot produce pressure.
1. If the solenoid coil of the pump solenoid relief valve or pressure proportional valve does not suck or the internal valve core is stuck by debris, remove it and

Oil Pump Motor Does Not Start

Oil Pump Motor Does Not Start
If the motor cannot rotate and makes an abnormal sound, immediately turn off the emergency stop button