International Association of Penturners - View Single Post - turning metals (copper,alum,brass)
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Old 10-10-2018, 01:46 PM   #10 (permalink)
Terredax
 
Join Date: Nov 2015
Photos: 4

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The interesting thing about turning metal... it doesn't cut in the traditional sense. The cutter pushes the surface metal and rolls it, until it breaks off.

A machinist showed us several magnified photos and some videos of what is happening on the surface as the cutter is introduced.

Metal will come off in long ribbons, and those ribbons are like razors.
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