Gallery, Projects and General > How do I??

Cutting sheet metal on the mill?

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RotarySMP:

--- Quote from: Brass_Machine on April 04, 2020, 08:54:35 PM ---Sacrificial piece of aluminum. Bolt it down to the table or hold it in a vise. Super glue the thin sheet on. make your cuts, then some applied heat to pop it off.

Eric

--- End quote ---
Unless the part is pretty small, heats up from the cutter, and releases its own superglue during the cut... or so I have heard.  :bang:

AdeV:
Thanks for the ideas!

The part is pretty small - around 3" square give or take. The way I've been cutting them out, there is no sacrificial stock to drill holes in; and drilling holes in the part is what I wanted to avoid (but I'm not THAT fussy, it's not going to be visible, in use). I'll probably stick with the "jig", 2 holes & bolt it down. This has the slight advantage that I can mill all the way around it (to size) in one go AND put the screw holes in, without ever having to line the part up accurately, or edge find it.

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