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Old 01-15-2014, 07:24 PM   #91
Join Date: Oct 2013
Location: Reno
Posts: 59
Default Re: Harmon Collins Rotors ?????

Originally Posted by Fe26 View Post
An outstanding effort, well done!

Are you able to install Ejector Pins on your mould to help remove the parts without damaging them. I may be talking thru my hat as I'm not familiar with Injection Moulds, but I have done a lot of Drop Forging, and on some dies the only way to remove a forging is with Ejector Pins.
Only from one side, can't have them on both. Because bakelite is higher temp, the expansion and contraction leaves me at the mercy of the parts and mold sides. after the fiirst few came out ok, following ten were chipped out....then by some act of nature, they began to comeout ok.
DzusFast is offline   Reply With Quote