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Armin



Reged: May 20 2002
Posts: 352
Loc: Michigan's upper peninsula
board straightening jig
      #2989 - Mon Jul 29 2002 09:13 PM Attachment (396 downloads)

When I have a lot of long boards to mill as in paneling or flooring I use this jig to straighten one edge. First photo shows the jig with a board on it ready to start the cut. Notice the sandpaper squares glued to the jig base to prevent the board from skating. The operater end of the jig is supported by a roller stock stand. The out feed end is supported by a small table with two guide strips tacked on to the surface to keep the jig from tipping as its pushed over the saw table .

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www.northernsunwoodworks.com

Edited by Armin (Mon Jul 29 2002 09:15 PM)


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Armin



Reged: May 20 2002
Posts: 352
Loc: Michigan's upper peninsula
Re: board straightening jig [Re: Armin]
      #2990 - Mon Jul 29 2002 09:25 PM Attachment (297 downloads)

This photo shows the guide rail installed on the underside of the jig, The jig is designed to edge 8 1/2 ft. or shorter stock. The base is 12 inches x 102 inches, it was glued up using 3 layers of 1/4 in. thick plywood, the joints are staggered. I started out by jointing one long edge then ripping the other edge parallel, then I milled a 3/4 x 1/4 dado to line up with the miter slot in the table saw. Into the slot I screwed a hard maple insert that acted as a long rail tracking in the saws miter slot. It is important to get the guide rail straight, hence the dado solves that problem as it is parallel with the long edge.

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www.northernsunwoodworks.com


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Armin



Reged: May 20 2002
Posts: 352
Loc: Michigan's upper peninsula
Re: board straightening jig [Re: Armin]
      #2991 - Mon Jul 29 2002 09:39 PM Attachment (260 downloads)


This photo shows the clamping end of the fixture. Most of my material is milled from ? to 7/8 thick stock. The block under the washer is ? thick and I use as many washers as necessary to shim the wood spring finger to the proper thickness so I get just enough down pressure to hold the stock against the sandpaper pad. The stock is simply lined up with the edge of the jig and pushed forward until the board grabs the sandpaper. The operator end of the board is held down with hand pressure against another sandpaper pad. This is fast and safe, after 20 years I have not even come close to having a safety problem. Two people can edge about 20 lin ft of hardwood a minute using this method. The paintbrush aids the upper dust collection hood in collecting what would otherwise be a choking amount of dust. At a later date I will post the dust hood as another shop tip.


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www.northernsunwoodworks.com


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Armin



Reged: May 20 2002
Posts: 352
Loc: Michigan's upper peninsula
Re: board straightening jig [Re: Armin]
      #2992 - Mon Jul 29 2002 09:42 PM Attachment (260 downloads)

Photo of jig with board 1/2 way through a cut.

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www.northernsunwoodworks.com


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LukaAdministrator



Reged: Apr 25 2002
Posts: 1387
Loc: The great NorthWet
Re: board straightening jig [Re: Armin]
      #2994 - Mon Jul 29 2002 11:35 PM

So when do we get a look at your board stretching jig ?





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The true measure of a man is how he treats someone who can do him absolutely no good. ~Samuel Johnson


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