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The Outpost This forum is dedicated to all who share a love for, and a desire to make good knives, and have fun doing it. We represent a diverse group of smiths and knifemakers who bring numerous methods to their craft.

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  #1  
Old 12-27-2001, 01:16 AM
genechapman
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Copper, everything you did or didn't want to know.


www.copper.org/pub_list/pubs/printer_cu-facts.html
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  #2  
Old 12-27-2001, 07:22 AM
Dana Acker
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Now if I could just figure out a way to drill the stuff without wringing off my drill bits. Thanks Gene--there was mucho I didn't know about copper.
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Old 12-27-2001, 08:37 AM
Sweany
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Whoo Hoo This will really come in handy at the New Years Eve party. I have a hobby of filling people up with more information than they ever wanted to hear on a subject.

I give myself two points when their eyes glaze over, one point for and excuse me. three points for, STOP THAT :
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  #4  
Old 12-29-2001, 02:03 AM
genechapman
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I forge quite a bit of copper for keyring "Fobs". Copper that is work hardened drills better than annealed soft. copper is "gummy" when drilled, especially when not work hardened and if thick. It has the tendancy to pull the drill bit into it when drilled. Re grinding the drill angle at a lower angle helps, learned this from Wayne Goddard, as he was a tool cutter/grinder in one of his previous jobs.
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  #5  
Old 12-31-2001, 06:10 PM
Jones Knives
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I don't have much trouble drilling copper except on thick pieces. The drill bit always waits to bind up just before it breaks thru the opposite side. That is usually when it grabs and breaks the bit.

It's always a good idea to use sharp bits when drilling copper or it's alloys.
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  #6  
Old 12-31-2001, 07:14 PM
Dana Acker
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Does it drill better at slower or faster speeds?
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