machine#construction: casting#techniques: steel_core

Steel cores

Make a hole that's almost the right size without any machining.

Coat the core with carbon from a flame so it doesn't stick. *1
Wrap fiberglass tape so it really doesn't stick. This makes the resulting core less accurate. *2
Don't use galvanized steel parts for the core *3

*1 Dave_Gingery
*2 fenn
*3 Chris_Boyer

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Last-modified: Thu, 14 Dec 2006 19:07:52 GMT (1489d)
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