bottleopener1
The metal directly around the punch is visibly cooler than the rest, as heat transfers quickly out of the workpiece
Description:
Continue to heat and punch until you are approximately 3/4ths of the way through, then flip the stock over and punch through the other side.
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The metal directly around the punch is visibly cooler than the rest, as heat transfers quickly out of the workpiece
Alt text:
The metal directly around the punch is visibly cooler than the rest, as heat transfers quickly out of the workpiece.
Caption:
Continue to heat and punch until you are approximately 3/4ths of the way through, then flip the stock over and punch through the other side.
Credit:
Credit: Image courtesy of MIT OpenCourseWare.
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Fall
2008
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