What is the return pin and how the return pins works?

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)

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