The hollow blow molding machine must be prepared strictly before driving. Its main content has the following eight points:

The first point: The cooling water of the cooling material must be turned on. This phenomenon is caused by the screw bite.

The second point: preheat the hydraulic oil. If the temperature of the hydraulic oil in the oil tank of the hollow blow molding machine is too low, the heater should be turned on immediately, which is usually installed on a large machine.

The third point: Press the start button and stop immediately, check whether the pump is running in the correct direction, and if it is found that it does not correspond, immediately change the power cord of the two-phase connection motor.

The fourth point: The machine should be opened under the condition of no pressure in the hydraulic system. After opening, adjust the pressure of the overflow system of each pump to a safe pressure. There are often two pressure systems in large injection molding machines, ‘one is the clamping unit, the other is the injection unit, and each of the two units has a pressure release space. After the pump is stopped, the pressure vent valve must be opened. When the pump is working, the pressure vent valve must be closed. c switch

Fifth point: Adjust the position of all the strokes to make the c switch go smoothly.

Sixth point: close the door completely. When opening the safety door on the operating side, operate according to the safety protection requirements. All safety doors should be closed when the machine is working. For large hollow blow molding machines, the fishing and closing movement will be stopped: if the other safety door is opened, the oil pump will stop working.

Seventh point: turn on the heating and temperature regulation system.

Eighth point: installing the mold c. Before installing the mold, the mold surface and the contact surface with the template of the hollow blow molding machine must be cleaned.

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