15-year precision mould making

What Is The Function Of Core Pins In Injection Molding?

Core pins is one of precision mould parts,the function of core pins is enhance the strength of ejector pins to avoid ejector pins become deformed or crack and push the finished part out of the open mold.Core pins as an important part of mold,the quality of core pins has a great influence on injection molding.

Core pins always work in a bad situation for long time,and must bear enormous impact,so core pins are easy to be crack.For increasing the life-time of core pins,we must choose high quality material to produce core pins.The material of core pins should have high hardness and anti-friction.