Insert molding?... Casting a steel rod in aluminum


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Posted by Rob Frink on September 02, 1999 at 21:24:41:

I'll be making several aluminum castings that require a steel stud/pin. I think it'll be a big time saver to just cast the steel pins in when I pour the molds rather than drilling, tapping, threading a pin etc.

I'm sure I've seen this machine parts done like this but now that I'm looking for an example, I can't find one.

Does anyone have any insight to this process? I'll knurl the pins or groove them or someway provide a mechinical feature for anti-rotation and pullout. Any issues like shrinkage, chilling, etc. to worry about?

'preciate any feedback.

Thank you,


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