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How do vertical injection molding machines generally operate?

TIME:2021-04-08 Share

Vertical injection molding machine is a mechanical device. Usually composed of injection system, mold clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety monitoring system, etc. Many people don't know how to operate a vertical injection molding machine. I will explain it to you today!

First of all, prepare to check whether the parts of the machine and the electrical control box are in good condition. Check the oil level of the hydraulic oil, whether the oil storage is sufficient, start the motor and observe whether the oil output from the axial plunger valve is normal. Open the cooling water valve to connect the cooling water.

Push the mold transfer mechanism to the highest position, install the plastic mold on the mobile template, unscrew the fixed template, correct the upper mold of the plastic mold and the fixed template and tighten the screw, fasten the lower mold of the plastic mold to the mobile template, and move the mold Organization, check whether the mold position is correct. Barrel heating: Turn on the electric heating switch of the electrical control box, add plastic into the barrel, and heat it sufficiently to melt the plastic.

Vertical injection molding machine injection operation: turn on the solenoid valve 8 to raise the mold shifting mechanism and close the plastic mold, turn on the solenoid valve 6 to press the injection plunger into the barrel for injection. After the injection is completed, the solenoid valve 6 is turned on to press the injection plunger out of the barrel, and the solenoid valve 8 is turned on to lower the mold shifting mechanism, and the plastic mold can be opened and demolded.

Check the electrical parts regularly to remove dirt, oil and dust, keep the electrical contacts clean, and often remove the dirt and dust on the connectors. Vertical injection molding machine has accumulated a wealth of experience and common problems in the long-term large-scale repair and maintenance work.

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