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  1. timfitz

    "cold welding" of aluminiumto die when blanking

    Hi all I have a continuous problem of the aluminium sheet (0.4mm), that I am blanking, welding to the inside of the die. I have tried more and less clearance as well as reducing the die land to about 1mm, all to no avail. Is there any special tool steel that the aluminium wont stick to or a...

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