How does a vertical molding machine work?

Author: Geym

Feb. 02, 2023


A vertical injection molding machine is a type of plastic processing equipment that is used to mold plastic products. It operates in a vertical orientation and injects melted plastic into a mold, where it cools and solidifies into the desired shape. This type of machine is particularly useful for producing smaller, intricate plastic parts and is often used in industries such as electronics, medical devices, and telecommunications.


How does a vertical molding machine work?

A vertical molding machine works by using gravity to feed the melted plastic into a mold, where it cools and solidifies into the desired shape. Here's a basic overview of the process:

  1. Loading of raw material: The raw plastic material is loaded into a hopper located at the top of the machine.

  2. Melting of plastic: The plastic material is melted by heaters inside a cylindrical barrel. The melted plastic is then moved into a reciprocating screw, which acts as a plunger to push the melted plastic into the mold.

  3. Injection into mold: The screw moves the melted plastic into the mold, where it is injected into the mold cavities through a gate. The mold is clamped shut to prevent any leakage of the melted plastic.

  4. Cooling and solidification: The melted plastic cools and solidifies in the mold, taking the shape of the mold cavities. The mold is then opened and the finished product is ejected from the mold.

  5. Cycle repeat: The process is repeated for each cycle of the machine, producing multiple parts per cycle.

Overall, the vertical molding machine is a reliable and efficient way to produce high-quality plastic products with complex shapes and designs.

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