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Old 08-30-2018, 01:20 PM
crystallographic crystallographic is offline
MetalShaper of the Month October '14 & April '16
 
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Default Jack Hammer shaping

Using air/pneumatic impact tools can save your arm and your time.
One of my long-time students, George Schroeder, http://www.schroederart.com/
asked me about up-grading his air motors to do 1/8in copper, a few years back.

I suggested a 5/8in. bridge riveter and instead, he came home from a local garage sale with an old jack hammer and then he made up a good hammer die for it.
photo2.jpg
Annealing .125" copper takes some heat.
photo1.jpg
The buck has to be accurate
George Buck.jpg
The copper bowl for the Celtic fountain turned out nicely.
photo.jpg
5-sided, with radial hammer strikes around the rim, it is riveted and sealed and sits on a carved granite base. A really nice job! - done with a jack hammer.
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"All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919.
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Old 08-30-2018, 01:41 PM
Stretch Stretch is offline
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That's beautiful. I love copper art. One day I'll have a bash at something copper, too! Thanks for sharing Kent 👍
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Old 08-30-2018, 08:56 PM
Kerry Pinkerton's Avatar
Kerry Pinkerton Kerry Pinkerton is offline
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what kind of compressor was he running it with?
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Old 08-30-2018, 10:11 PM
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MP&C MP&C is offline
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nicely done!
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Old 08-31-2018, 06:43 AM
Gojeep Gojeep is offline
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That looks great!
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