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What is the narrowest milled slot that can be achieved in 1/4" copper plate? I am attempting to do something rather extreme and have a 7-segment display milled into a 3"x1.5"x0.25" copper plate, to later be backlit by appropriately controlled LED's. If I had my druthers, each segment would be a through-slot 0.17" in length and 0.035" in width completely through the 1/4" plate, but I suspect this may be problematic due to the minimum diameter end mills that are available.
Jim
Tech2
Fri Jul 31, 2009 4:51 am
If you can design part of your device as a 2D sheet (all holes thru) we can do the slot you describe.
tartarus
Fri Jul 31, 2009 12:25 pm
Is the enclosed feasible? It takes a while to evaluate.
To do this in one piece keep the slots at least 1/16" wide. Otherwise you can do narrower slots fully thru in a separate part that would be bolted to the base.
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