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Reply by Dan Krager

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Posted on Supershop owners

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Dan Krager

4416 posts in 2739 days


#1 posted 02-27-2019 11:26 PM

Here is a short video a Supershop equipped with a lathe duplicator jig. What you can’t see in this video is hidden under the white tin shield that protects the linear motion front to back. It’s simply a 1/2” x 2” piece of mild steel with slanted sides (like so <——> ) riding between pairs of V groove bearings secured to the T slots to hold the bar snugly. My right hand is applying slight pressure to keep the stylus against the template. The carriage is autofeeding at about 1/2 speed with the spindle turning at 300 rpm. The first and only pass stopped at the detail and I manually held the follower steady left to right to round the detail area cleanly, then finished the detail under power as seen.

Takes about 1 1/2 minutes to move about 24” along a 36” turning, maybe two minutes to complete this whole operation. I’ll have to touch up the turnings by hand to round the rest of the baluster the router could not reach in this setup, crisp the detail, and sand them. A set of 36 in red oak for a stairwell railing in my house. So the main benefit here is getting consistent size, shape, and placement of the detail.

DanK

-- Dan Krager, Olney IL http://www.kragerwoodworking.weebly.com All my life I've wanted to be someone. I see now I should have been more specific.


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