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Big Ray

Can C-Clamps Damage Molds?

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Horrible Fright lol! That is funny that you mention those clamps because I was going to buy them. The first clamps I bought where from Harbor Freight.

http://www.harborfreight.com/4-in-ratchet-bar-clampspreader-62242.html

 

They sucked because I couldn't squeeze them down hard enough so when I injected my mold plastic oozed out the sides. The cool thing was I took them back the next day and they gave me my money back and I saw the clamps you use Bob. I was going to get them but then I thought they might suck too because they are from Harbor freight. So instead I bought these clamps from Home Depot.

http://www.homedepot.com/p/Husky-3-in-Drop-Forged-C-Clamp-97891/205132116

 

I think I might just buy the Harbor Freight clamps anyway because they are cheap and I see that they will let me clamp more molds together.

Edited by Big Ray
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In short no, but in the long yes, if your mold is not aligned properly, if it is over-heated or a bur was present then yes you could have a problem, it's all about moderation, your understanding of too tight may not be the same for others, crank a clamp down on a mold that may be thin in a certain area well then you get the picture!

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