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Getting my tools ready #22: ROUGH CUT STRAIGHTEDGE CUTTING JIG WITH KNOBS II (THE NEW AND IMPROVED VERSION!)

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Blog entry by DocSavage45 posted 07-06-2015 05:40 PM 2012 reads 1 time favorited 27 comments Add to Favorites Watch
« Part 21: MURPHY'S DRILL PRESS TABLE EXTENSION JIG Part 22 of Getting my tools ready series Part 23: TABLESAW RESAWING JIG ADAPTED FROM CHARLES NEIL'S RESAWING DVD. »

ROUGH CUT STRAIGHTEDGE CUTTING JIG WITH KNOBS II (THE NEW AND IMPROVED VERSION!)

This is the bottom of the straightedge cutting jig. It is made from the material available on the shop, half-inch plywood. You can see the hardwood rail for tracking the jig. It is smaller than the last one because that’s all I had. LOL!

This board is wider than the last to accommodate wider slabs of wood. The original version was not able to handle more than 8 inches in width. The wider holes allow for a carriage bolt head to be recessed in the jig. The carriage bolts are also longer than in the first version to act as a fulcrum for thicker, and wider pieces.

As before, due to humidity and moisture problems which occur in the middle of summer, even with air-conditioning, I applied two coats of Seal Coat and two coats of waterborne poly.

Two of my fellow LJ’s Bob/ Grizz and Andy/GFADVM suggested that I use knobs instead of wing nuts. I was able to locate on Amazon the knobs for about $.70 apiece. The bolts are set back to provide a fulcrum for the dog bone shaped hold downs. The ratio and leverages about 4 to 1 providing adequate strength to hold the board while ripping a straight edge.

This allowed me to rip wider boards that I milled on my band saw.

A nice straight edge!

AS ALWAYS, COMMENTS, HUMOR AND CRITICISMS WELCOME!

-- Cau Haus Designs, Thomas J. Tieffenbacher



27 comments so far

View helluvawreck's profile

helluvawreck

23127 posts in 2327 days


#1 posted 07-06-2015 05:49 PM

Doc, that’s a nice jig and it looks like it will work very well. It will make a great addition to your shop.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#2 posted 07-06-2015 05:52 PM

Thanks Charles!

Now I have two???? LOL!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View a1Jim's profile

a1Jim

115202 posts in 3038 days


#3 posted 07-06-2015 06:03 PM

You done good Mr. Tom Maybe a little sand paper glued to the hold down points will give it a little extra grip,for the extra heavy wood .

-- http://artisticwoodstudio.com Custom furniture

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#4 posted 07-06-2015 06:09 PM

Thanks for the idea Jim!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View a1Jim's profile

a1Jim

115202 posts in 3038 days


#5 posted 07-06-2015 06:19 PM

Right-O any time.

-- http://artisticwoodstudio.com Custom furniture

View luv2learn's profile

luv2learn

2461 posts in 1764 days


#6 posted 07-06-2015 07:41 PM

Hey Tom, what if you slotted the holes in your hold downs to give you a little more lateral freedom when clamping up a piece? Just a thought buddy!

-- Lee - Northern idaho~"If the women don't find you handsome, at least they ought to find you handy"~ Red Green

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#7 posted 07-06-2015 07:50 PM

Lee,

I did drill the holes diameters larger than the bolt. I also have riser blocks for the back if necessary.

Thanks for the suggestion.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View PhilBello's profile

PhilBello

389 posts in 1428 days


#8 posted 07-06-2015 08:10 PM

Nice jig Tom, I think you have convinced me that I need new specs, I had to look a couple of times to see the hardwood rail…lol :)

-- If you want the rainbow, you got to put up with the rain - Steven Wright

View Bricofleur's profile

Bricofleur

1360 posts in 2654 days


#9 posted 07-06-2015 08:13 PM

Tom, great jig for beefy stock, as shown. You must feel secure now. Keep rolling, I mean cutting !

Best,

Serge

http://atelierdubricoleur.wordpress.com

-- Learn from yesterday, work today and enjoy success tomorrow. -- http://atelierdubricoleur.wordpress.com

View doubleDD's profile

doubleDD

5217 posts in 1504 days


#10 posted 07-06-2015 08:22 PM

Good ideas and improvement Tom. My straightedge jig is obsolete. Been wanting to make a better one, but you know how that goes sometimes. I think I’m being pushed now on this one so I’ll get it closer to the top of the list. As a1Jim mentioned, the sandpaper is a good idea. I used a few strips on a resaw jig for the band saw and it gives a lot of holding power.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#11 posted 07-06-2015 08:46 PM

Serge,You da Man! Thanks!

How are your cabinets?

-- Cau Haus Designs, Thomas J. Tieffenbacher

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#12 posted 07-06-2015 08:47 PM

Phil,

Thanks for checking it out. It works. LOL!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#13 posted 07-06-2015 08:48 PM

Dave,

The ratio on my hold downs and the design seem to be doing a good job of keeeping the material stable. But I’m going to keep the sandpaper in mind.

Thanks!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Woodbridge's profile

Woodbridge

3460 posts in 1879 days


#14 posted 07-06-2015 09:30 PM

great jig Tom. That looks like a safer and handy way to rip the edges nice and straight.

-- Peter, Woodbridge, Ontario

View gfadvm's profile

gfadvm

14940 posts in 2151 days


#15 posted 07-07-2015 12:10 AM

Glad this one worked out for you. I also have 2 straight edge jigs. The second one is 8’ long and uses the TS fence rather than the miter slot.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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