making a scroll for a lathe chuck

Ebel440

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May 24, 2014
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I recently got a small 109 lathe and it only came with a 4 jaw chuck so I decided to make a scroll chuck for it. I program cnc mills at my work and use conversational most of the time. I had thought that with a little experimentation I could mill a scroll. The canned cycle for milling a circular pocket was used. I used a 3/16 em and told the machine it was a 3/8 em. The machine milled the pocket but left a scroll due to the incorrect tool radius. The center of the scroll is incorrect but is evenly spaced after the first revolution or so. I will still need to experiment with the program to get the scrolls size to where I want it but so far it's only taken ten minutes.
 
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