Bad Creek Blacksmith Posted November 6, 2009 Share Posted November 6, 2009 I have been trying to make candle cups out of 3/4" copper pipe and it keeps on tearing on me. I am using a guilotine tool made out of leaf springs. Do I need to fuller it down with something that has wider stock? Something like 1/2" or 3/4" round. Quote Link to comment Share on other sites More sharing options...
David Einhorn Posted November 6, 2009 Share Posted November 6, 2009 Copper work hardens and must be annealed periodically. Quote Link to comment Share on other sites More sharing options...
Fe-Wood Posted November 6, 2009 Share Posted November 6, 2009 Show us a picture of how its tearing. I'm not sure of your cause and effect. If it were me, I would use a fullering set with 1/2" or 3/4" dies depending on the look I'm after. I would work it slowly to neck it down and anneal as needed. I hope your not using old used copper water pipe because depending on how the water flowed through it, the wall thickness can very. Quote Link to comment Share on other sites More sharing options...
aametalmaster Posted November 8, 2009 Share Posted November 8, 2009 I form 3/4" copper for my candle cups. Got a pic???...Bob Quote Link to comment Share on other sites More sharing options...
Bad Creek Blacksmith Posted November 8, 2009 Author Share Posted November 8, 2009 I haven't taken any pictures yet want to try making them again using a larger diameter fuller. How do you make your copper candle cups? Quote Link to comment Share on other sites More sharing options...
John B Posted November 8, 2009 Share Posted November 8, 2009 Flare ends, cut off to length and silver solder to drip pan Quote Link to comment Share on other sites More sharing options...
Rio Bravo Posted November 9, 2009 Share Posted November 9, 2009 I have been trying to make candle cups out of 3/4" copper pipe and it keeps on tearing on me. I am using a guilotine tool made out of leaf springs. Do I need to fuller it down with something that has wider stock? Something like 1/2" or 3/4" round. I can't speak to the copper specifically, but I use a 1/2 inch round fuller for my steel candle cups...wouldn't try anything less for the copper. Quote Link to comment Share on other sites More sharing options...
Fe-Wood Posted November 10, 2009 Share Posted November 10, 2009 I spin mine on a lathe from flat stock Quote Link to comment Share on other sites More sharing options...
Finnr Posted November 11, 2009 Share Posted November 11, 2009 Use copper end caps they are already formed and just need a wee bit of tinkering to work. Finnr Quote Link to comment Share on other sites More sharing options...
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