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A Shop Smith Box Threading Jig

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Forum topic by Lazerworks posted 11-24-2014 01:50 PM 1803 views 1 time favorited 5 replies Add to Favorites Watch
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Lazerworks

10 posts in 740 days


11-24-2014 01:50 PM

Topic tags/keywords: lathe wood turning threading jig threading thread chasing shop smith

My real job tends to slow down during the holidays so I had some time yesterday to work on a threading jig I’ve been bouncing around in my head for a while. It’s nothing too complicated or overly new but I had never seen one on a Shop Smith. Ideally I wanted to try chasing threads by hand but this machine doesn’t go slow enough so I had to figure something else out. I have some fine tuning to do and I think I’m going to re-design the threading press, but for now it works.

Incidentally, this Shop Smith was on its way to the land fill. It was a rusted hunk that I picked up for free. The motor ran but just about everything else was locked up and quickly becoming one piece. I think it was living outside in the rain based on the amount of rust, bugs, leaves, and grass inside. But after a lot of sanding, grinding, oiling, and tinkering it is up and functional. It’s a compromise of sorts but is working fine for my tinkerings.

Anyhow, I do videos of my projects. Here is yesterday’s jig build and early testing using some scrap 2×4 wood.

http://i995.photobucket.com/albums/af71/lazerworks/20141122_175635.jpg

http://i995.photobucket.com/albums/af71/lazerworks/20141122_175658.jpg

https://www.youtube.com/watch?v=5nEnJmYK4yc

Dan

-- Always Remember - Everything is temporary, the bad, and the good...


5 replies so far

View Bill White's profile

Bill White

4448 posts in 3420 days


#1 posted 11-24-2014 03:49 PM

Well thought out and done.
Not too bad on the finger pickin’ either.
Glad you’re with us.
Bill

-- bill@magraphics.us

View Lazerworks's profile

Lazerworks

10 posts in 740 days


#2 posted 11-24-2014 07:06 PM

Hi Bill. Thanks for the warm welcome. Seems like a great forum here.

Dan

-- Always Remember - Everything is temporary, the bad, and the good...

View Clouseau's profile

Clouseau

55 posts in 2493 days


#3 posted 11-24-2014 08:20 PM

I like simple!!! I think I would cut at more of a 9 o’clock or 3 o’clock position so I could use stops and it would also keep the swarf out of the site line and cutter area. If you still wanted to use the elevation crank on the SS it would give you more margin of error to ‘sneak up” on the fit. I love building little jigs and fixtures so I think I’ll have to give yours a try.
Dan Coleman

-- Dan Coleman, retired Welding Inspector and past IA Teacher

View Lazerworks's profile

Lazerworks

10 posts in 740 days


#4 posted 11-24-2014 10:38 PM

Thanks Dan. Great suggestions and certainly things to try. The little box in the video and in the pictures above was only the third thing I cut with this set up. The first two were just trials to see if the threading would work. I’ll also have to try some different (better – harder) wood to limit the amount of tear out from the cheap pine, and maybe trying to coat the wood with some CA glue first might help to make the threads even cleaner.

Dan

-- Always Remember - Everything is temporary, the bad, and the good...

View shipwright's profile

shipwright

7163 posts in 2258 days


#5 posted 11-25-2014 04:00 AM

Very cool rig Dan. If you are into SS innovations you might get a kick out of this one of mine.

Thanks for the inspiration.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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