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Thin Strip Ripping Jig

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Project by Matt Przybylski posted 469 days ago 4183 views 59 times favorited 14 comments Add to Favorites Watch

I have a project that calls for making 3/4” x 3/4” edging and I’ve been wanting to make one of these jigs for the longest time so I figured this would be the perfect opportunity to finally make it. I actually bought the bearing about six months ago on eBay for something like $4 from China (yeah, whatever…) and the nylon bushings from McMaster Carr (I had a really hard time finding these anywhere else and now I have a pack of them, McM is like 30 mins away from my house so I just went and picked them up).

Anyway, this was based on the Woodsmith Shop table saw ripping jig with a few modifications. I had the Rockler miter hardware kit laying around for a while now from a sale so I modified the base to use that. I cut the whole bottom piece on the bandsaw and rounded over the corners and made the holes for the knobs to go through. I somehow messed up the position of one of the holes but it really doesn’t matter in the long run. I had some leftover UHMW strip from a failed jig I had previously made so I repurposed it for the “runners” of the arm rather than using hardboard. Lastly, i purchased a 6” steel rule (a couple of them actually) from Harbor Freight and because my base differs from that of the plans I just cut roughly an inch off the steel rule and made a very shallow dado on the top piece so it doesn’t catch. I epoxied the rule to the base and it works like a charm.

I zeroed the rule by first putting the bearing against the tooth of the blade and then making a mark on the base. Then i aligned the rule to that mark with epoxy on it and it worked out great. You can see the last two pictures on a test piece. The rule is set to 3/4” cut and the piece came out exactly 3/4” from two different calipers (the fractional caliper and the digital caliper whose batteries are obviously dying, which is why I just picked up the non-digital one today).

All in all I’m calling this a great success. Very precise and should serve me well.

-- Matt, Illinois, http://www.reintroducing.com





14 comments so far

View tyvekboy's profile

tyvekboy

539 posts in 1648 days


#1 posted 469 days ago

Nice jig modification. Yours looks like it will work better than the rockler one. Think the bering is big enough? LOL

-- Tyvekboy -- Marietta, GA

View Matt Przybylski's profile

Matt Przybylski

446 posts in 1013 days


#2 posted 469 days ago

Lol tyvekboy, thanks for the kind words. I had a hell of a time finding the bearing locally (and trust me I tried, really hard, my wife will attest) so I finally turned to eBay. The size is what the plans called for so I went with it. I didn’t want to change the size and then have to change the bushing size and adjust everything else so I just stuck with it.

-- Matt, Illinois, http://www.reintroducing.com

View Greg D's profile

Greg D

199 posts in 586 days


#3 posted 469 days ago

Nice Matt!

-- Greg D, Cen. CA, "Keep it on the Level, Do it Right the First Time!"

View kiefer's profile

kiefer

3033 posts in 1302 days


#4 posted 469 days ago

Very nice and clean looking jig .
Well done !

-- Kiefer 松

View jeff's profile

jeff

643 posts in 2100 days


#5 posted 469 days ago

Nice jig Matt…

-- Jeff,Tucson,Az.

View NormG's profile

NormG

4112 posts in 1639 days


#6 posted 469 days ago

I can see where these types of jigs would be very useful

Thanks for sharing

-- Norman

View Firebreather's profile

Firebreather

97 posts in 741 days


#7 posted 467 days ago

i like this alot

-- God is good..All the time

View Matt Przybylski's profile

Matt Przybylski

446 posts in 1013 days


#8 posted 462 days ago

Thanks for the kind words everyone.

-- Matt, Illinois, http://www.reintroducing.com

View Dusty56's profile

Dusty56

11644 posts in 2323 days


#9 posted 461 days ago

McMaster Carr didn’t have your bearing , or was price an issue ?
I’ve had great luck with this company here in USA with FREE shipping as well : )
I got bearings and a belt for my antique 4” Rockwell Delta jointer from them.

http://www.usabearingsandbelts.com/6.html

-- I'm absolutely positive that I couldn't be more uncertain!

View Matt Przybylski's profile

Matt Przybylski

446 posts in 1013 days


#10 posted 461 days ago

I think it was a combination of that Dusty56, either that or I didn’t know exactly what the bearing was to be called in the McMaster catalog (I’m not really fluent with machine parts or things of that nature :)

As for your link, great resource, saved it to my bookmarks. Thanks!

-- Matt, Illinois, http://www.reintroducing.com

View Dusty56's profile

Dusty56

11644 posts in 2323 days


#11 posted 461 days ago

You’re welcome . Their prices and quality are awesome.

-- I'm absolutely positive that I couldn't be more uncertain!

View LelandStone's profile

LelandStone

89 posts in 1148 days


#12 posted 458 days ago

I’m not at all sure how this works—does the stock being ripped still ride against the fence, and the jig simply steadies the left side/off-fall? Or does the jig do something else entirely?

Thanks in advance for clearin’ this up! :)

-- Leland, OC Calif., www.safetyshowerbars.com

View Matt Przybylski's profile

Matt Przybylski

446 posts in 1013 days


#13 posted 458 days ago

Leland, correct. you move the stock left against the jig and then move the fence over until it hits the stock. the jig serves as alignment for multiple strips to be ripped of the same width and the bearing allows it to ride against the jig kind of like a featherboard but its placed before the blade (also like a featherboard) so that it doesn’t bind on the blade.

-- Matt, Illinois, http://www.reintroducing.com

View steliart's profile

steliart

1807 posts in 1323 days


#14 posted 433 days ago

beautifully made !!!

-- Stelios L.A. Stavrinides: - I am not so rich to buy cheap tools, but... necessity is the mother of inventions - http://www.steliart.com --

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