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What is the return pin and how the return pins works?
- Jun 28, 2018 -

The function of return pin

Push the ejecting plate back

The Spec. of return pin

Usually, when production automation is required for the plastic injection mold, a spring has to be installed under RP. See the following diagram: The spring type is TF. (Note: spring installation requirements: A. Spring preload is set between 5 – 10mm in the pre-action status. B. Spring preload is set to be over 10mm when return is first needed.

The material of return pin

SUJ2,Hardness HRC60°(High frequency quenching)