Units of Plastic Injection Molding Machine

molding machine units
17
Nov
Injection Molding Machine

The injection molding machine is specially defined for the process of forcing the molten plastic into a mold cavity and to bring the final output as per the requirement.

Plastic Injection Molding Materials

ABS – Acrylonitrile Butadiene Styrene, Nylon, Polycarbonate, Polypropylene are some of the plastic materials that can be recycled in the process of Plastic Injection Molding Machine.

So, then the materials to be used in the injection molding machine should be crushed according to the required sizes of the plastic granules, whichever can be used within the injection machines’ process. Hence, the plastics can be crushed using the Plastic Crusher Machine.

Major basic Units of Injection Molding Machine
  • Injection Unit
  • Clamping Unit
  • Ejecting Unit
Injection Unit of the Molding Machine

When the power supply is ON, the plastic materials from the tank start to fill into the loader at the desired pressure via a connecting hose. The user will decide the loading of material in the loader according to the loader’s capacity range.

Therefore, the plastic material in the loader should be transfer to the hopper dryer. It performs the process of removing the moisture content from the plastics. The molten plastic is then traversing to the open-ended cylinder, called a barrel.

Hence, the Barrel helps to track the pellets from the dryer to the mold cavity where the preferred shape forms. The screw conveys the plastic pellets from the dryer to the cavity via barrel.

Clamping Unit of the Molding Machine

By using the mechanical unit of the system, the function of a clamping system emerges for the mold closing. The system holds half of the mold, closed under pressure during the process of cooling.

The mold opens and hence the mold ejects the final part of the ejection process done by the user manually.

Ejecting Unit of the Molding Machine

The final ejection part involves the ejecting unit in which the ejector plate or the pin is attached. Therefore it directly forces the ejector in the opposite direction and hence the ejector opens and removes the final part. Most of the parts and the mold data are defined by the user within the IMM controller which is a Human Machine Interface [HMI]. 

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