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| Tips, Techniques, and Questions -- Technical questions or tips |
2012-07-16, 6:08pm
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Melody of Glass
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Join Date: Apr 08, 2012
Location: Canada
Posts: 2,511
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Coring with aluminum?
Does anyone core with aluminum? I have minimal experience coring bhb's in the past but used silver tubing and it seemed to go pretty well.
I have the Jim Moore press and bought aluminum tubing. It seemed to split more often than not when it flared. Wondering if others have seen this and if it's because aluminum is so soft or if it's user malfunction? I'm not sure if I should try the silver tube I have as I don't want to waste any of it with the price of silver these days!
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2012-07-17, 3:43am
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A True Woofer
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Join Date: Jun 13, 2005
Location: the land of nod
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I found the same thing when I tried to use aluminum. I bought a sampler of copper, brass and aluminum and the aluminum splits way more than either the copper or the brass.
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Ellen
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2012-07-17, 4:28am
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sunscreen me baby
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Join Date: Jun 05, 2005
Location: Exeter, NH
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Did you try Ginko's aluminum? If anyone has it figured out it would be Lana. I do know aluminum is really soft and doesn't work harden. I can see why it would split easily. I use it for cold connections in my teen metal classes because it is so easy for them to smoosh into rivets.
BTW silver is back down to $27 something.
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2012-07-17, 9:38am
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...displaced ocean lover
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Location: Sadly about 7000 miles from King Kamehameha Hwy
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Quote:
Originally Posted by SuzyQ
Did you try Ginko's aluminum? If anyone has it figured out it would be Lana. I do know aluminum is really soft and doesn't work harden. I can see why it would split easily. I use it for cold connections in my teen metal classes because it is so easy for them to smoosh into rivets.
BTW silver is back down to $27 something.
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Photos please??? This sounds pretty cool...inquiring minds and all that 
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2012-07-17, 9:59am
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Hobby Junkie
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Join Date: Dec 08, 2009
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I've used it without it splitting, but you have to work it really slow (lots of flipping and 1/4 turns)
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2012-07-17, 10:34am
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Uh Oh....
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Join Date: Dec 06, 2005
Posts: 1,039
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I've used aluminum with Jim's press without splitting. I don't remember where I got my aluminum tubing, I know it wasn't from Ginko though. I don't get any splitting, it's just a lot softer so I have to be careful and not press has hard.
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Susan
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2012-07-17, 4:50pm
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Melody of Glass
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Join Date: Apr 08, 2012
Location: Canada
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Thanks everyone for taking the time to respond! This forum is so great for technical info.
It is, in fact, Ginko aluminum. I haven't tried the copper yet, which is not from Ginko. I will definitely try slowing down and see if that helps. That could well be what I was doing wrong.
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2012-07-17, 4:59pm
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Senior Member
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Can you core with steel?
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2012-07-17, 7:09pm
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Burning Fingers!
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Join Date: Dec 30, 2006
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I have more success with aluminum than I do with copper. Copper always seems to split on me. I purchased my aluminum tubing from Artistry in Glass in Ontario, Canada. I just go very slowly.
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Jane P
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2012-07-17, 7:48pm
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Melody of Glass
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Join Date: Apr 08, 2012
Location: Canada
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Artistry in Glass is about 10 min from me. They are my main supplier. I got my copper there. I'll keep it in mind to go very slow with that one too.
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