Shrinking Metal Using a Stump and a Wooden Mallet
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Uploader Comments (jacobhuns)
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All Comments (9)
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Nice video, Can this be achieved with a shot bag?
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arent you really stretching the metal out towards the edge..the metal now longer between the center and the edge has to curve because it is longer.
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Like it...nice and simple. I tried this it worked really well on an ash stump.
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wow ..thanx for posting
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just like thumb nail shrinking dies in the pullmax
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A shot bag works well for stretching. Shrinking works much better on a stump. Since I started using a stump, a rarely use a bag. Thanks you for the comment!
jacobhuns 5 months ago
Actually the metal is shrinking from the middle to the outside edge. If there is stretch it is in the middle. The outside of the "bowl" will end up in a smaller circumference than the original blank. If you measure radially, you will find that dimension has changed very little, compared to the smaller circumference. Thanks for commenting!
jacobhuns 9 months ago
Nice video, good info:) How can i make a close to perfect cut out on the stump
TekkHakk 2 years ago
I simply used some rotary rasps that chuck into my drill.
jacobhuns 2 years ago