arches

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Tscholl
Posts: 28
Joined: Fri Mar 01, 2013 4:55 pm
Model of CNC Machine: Biesse Skill

arches

Post by Tscholl »

I am trying to cut convex and concave arches for a chair back. any suggestions?
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highpockets
Vectric Wizard
Posts: 2985
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: arches

Post by highpockets »

Try using the Moulding Toolpath.
The problem is going to be the pins at each end, there's an undercut on one side, the other can be cut but would require some hand cleanup on the shoulders.
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John
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4DThinker
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Posts: 1327
Joined: Sun Sep 23, 2012 12:14 pm
Model of CNC Machine: CNC Shark Pro, Probotix Meteor 25" x 50"

Re: arches

Post by 4DThinker »

I've cut a few backs like that and suggest doing the end tenons/tongues on a table saw before putting the board on the CNC for the arches. Secondly, do to concave side first as you'll still have two edges on the table when you flip it to cut the convex side. Holding it down will be a challenge.

4D

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