Pattern sanding on OSS

[Autumnarcher]

Made up a prototype for my OSS SO i can ise as a patten sander with a guide bushing to bump templates up against. I have not seen any sanders that have this so I made one.
 Used a couple hole saws, cut out a 3-1/4” disc, then cut a 2-1/4” hole out of center of the disc. I used random sized hole saws I had on hand. End result is a bushing with a 3/8” offset.
 Cut a piece if 1/4 ply to match table, and cut a 2-1/4” hole on center. Glued the bushing around the hole.  I like jigs and templates for repeatable consistency so this should work great for riser work.  I may make a more durable model out of that white plastic cutting board stuff if I can find it in 1/4” thickness. Thats my morning production, now to plow snow for a while.


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[kennym]

I like it but you may need 2 hold downs?

[Crooked Stic]

You dont need those fancy high $$ hold downs. 1/4 potty hold downs. And plywood and wing nuts just as good.

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[Mad Max]

What is 1/4 potty?

[Autumnarcher]

I just set that hold down on there for the pic. I have another one somewhere or I’ll make some.
These Ive had in the drawer under bench forever waiting around for a use.


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[Crooked Stic]

What is 1/4 potty?

Lag screws 1/4 std one end lag on the other screw into the floor to hold potty down. They have the rings now that take tee bolts.

[Autumnarcher]

Crooked Stic, i like the design of your jjg, I nay just hafta copy that. Looks pretty solid.


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[Crooked Stic]

Feel free to copy. You cant see it proly but the very bottom is plexiglass that goes against my pattern wheel. The one CNC made jig I have has a phenolic bottom.

[Bow Bender]

Check out this post and it will give you some more ideas on how to turn your spindle sander into a profile sander.

http://www.tradgang.com/tgsmf/index.php?topic=167155.msg2859097#msg2859097