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Ejector Pins
Original: Original | Author: dgmfmoldclamps | Publish Time: 2020-03-19 | 15725 Views | Share:
What are ejector pins?
What are ejector pins made of?
What is the function of the ejector pin?
How to use the ejector pins?


What are ejector pins?

Ejector pins are the "bouncers" of the injection molding world. They apply a force to eject a part from the mold, and in some cases can leave marks. Once the mold is opened, the pins extend into the mold cavity, push the part out, and then retract, allowing the mold to close and be refilled.

What are ejector pins made of?

While many molders use core pins made of copper alloys, there are many benefits of using them for ejector pins as well. They have terrific heat-transfer properties and are very resistant to galling.

What is the function of the ejector pin?

Ejector pins help safely remove parts from molds after they have been made. Here are some tips on how to properly locate and use those pins. Ejector pins are the “bouncers” of the injection molding world. They let technicians apply a force to eject a part from the mold, and, in some cases, can leave marks.

How to use the ejector pins?

(1) The ejector pins should be arranged so that the ejection force is as balanced as possible. The demolding force required for complex structures is large, and the number of ejectors should be increased accordingly.