Charlestowne Woodturners

A club for those turning, or wanting to learn woodturning in the Charleston SC area.
The Charlestowne Woodturners are meeting at JMO Woodworks, 70 Romney St., Charleston, SC 29403. On the 3rd Wednesday night of each month from 6:30pm-9:00pm.
 
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 Nova jaws

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Duane D

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Number of posts : 30
Age : 67
Registration date : 2014-08-22

PostSubject: Nova jaws   Fri Oct 17, 2014 7:24 am

Should you use a 90 degree shoulder on a tenon with these jaws or dovetail?
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Dave W

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Number of posts : 290
Age : 51
Registration date : 2008-11-20

PostSubject: Re: Nova jaws   Fri Oct 17, 2014 1:40 pm

I have pretty much always used a matching dovetail tenon. What I learned in the past from doing a straight wall tenon: if they are not that long of a tenon (say 1/16" - 1/4"), they sometimes will snap clean off if put under to much compression. This problem was more common when using the 50mm or 35mm jaws. Some of Nova's jaws that are deeper inside offer both the dovetail and serrations. These jaws when using a tenon reaching the serration area prefer a straight wall. Play it safe and snug the chuck up pretty tight, but not over tight. In time you'll know what feels right.

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Dave
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Duane D

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Number of posts : 30
Age : 67
Registration date : 2014-08-22

PostSubject: Re: Nova jaws   Sun Oct 19, 2014 10:32 am

Thanks for the tip on not over tightenng. Most of the time I tighten & then really tighten, probbly too tight some times.
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