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Horizontal Router Mortiser

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Project by Blake posted 10-31-2010 07:10 AM 7504 views 77 times favorited 24 comments Add to Favorites Watch

I recently upgraded my router table by adding a router lift. So I had a router plate without a home, which became the inspiration for this project.

Construction

Most of the parts are constructed with MDF. The table top is a piece of Phenolic that I found at my old job. It was exactly 1/2” thick so it was perfect for use with the t-track. I cut it into thirds, sandwiched the t-track between the pieces, and mounted it back on to a piece of MDF.

The raising/lowering mechanism for the router is a simple twist-screw mechanism made out of all-thread, a bracket mounted to the router plate and a store-bought knob.

I imbedded two rare-earth magnets next two the router plate and stuck a steel ruler to them (third photo). The ruler can be flipped from the fractions side to the other side with 10ths and 100ths of an inch depending on which system I’m using. It can also be “zeroed” just by sliding it up or down.

An Incra “T-track Plus” extends out either side of the X-Y table for attaching adjustable stops along the X-axis (see 5th and 6th photos)

The X-Y table slides on four modified ball-bearing keyboard slides.

The Slides:

IMG_2545

Each slide had one set of ball-bearing gliders between the upper and lower section. But the slides were not accurate enough as-is because when the weight shifted from one side to the other it would rock on the glider. I also had to modify the slides so they would move in both directions from center.

The single ball-bearing glider in the slide:

IMG_2547

To modify the slides I started by removing the stops that keep the slides from moving past the neutral position.

IMG_2548

IMG_2549

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This allowed me to remove the lower section to reveal the ball-bearing glide:

IMG_2551

Then I carefully transferred the glide from one slide to another to avoid losing ball bearings:

IMG_2552

Now there are two glides in each slide. Yes, this does mean that I had to buy TWICE as many slides as I needed and waste half of them, but they are much stiffer and they don’t rock, which increases overall accuracy. It also means that they can slide in both directions but not as far as the original slides. Luckily I was able to get an awesome deal on the slides. They were an old style on clearance for 40% off (only $7 bucks per pair).

IMG_2553

One set of two finished slides:

IMG_2541

Because the stops were removed from the slides, I had to add my own stops between the X-Y table so it doesn’t slide beyond the point where the bearings were exposed and tiny steel balls start dropping to the floor. You can see the stops made from scraps of Padouk in the second photos.

The Test Cut

IMG_2569

IMG_2570

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The first mortise came out flawlessly!

-- Happy woodworking! http://www.openarmsphotography.com





24 comments so far

View a1Jim's profile

a1Jim

112883 posts in 2325 days


#1 posted 10-31-2010 07:17 AM

Very nice Blake much nice then one I made some time ago.

-- http://artisticwoodstudio.com Custom furniture

View DrAllred's profile

DrAllred

137 posts in 1571 days


#2 posted 10-31-2010 08:27 AM

Very cool, I wonder if computer rack mounted slides would work?

-- David, Mesa Arizona

View jockmike2's profile

jockmike2

10635 posts in 2994 days


#3 posted 10-31-2010 09:15 AM

VERY COOL JOB BLAKE. NICE IDEA.

-- (You just have to please the man in the Mirror) Mike from Michigan -

View albachippie's profile

albachippie

542 posts in 1783 days


#4 posted 10-31-2010 09:34 AM

This is a great job. Very inspirational! Thanks for posting Blake

-- Garry fae Bonnie Scotland - https://www.facebook.com/pages/Garry-Macdonald-Woodwork/425518554215355?ref=hl

View Knothead62's profile

Knothead62

2364 posts in 1709 days


#5 posted 10-31-2010 09:52 AM

Is there a patent in the future? I would think there would be a market for it.

View mafe's profile

mafe

9671 posts in 1837 days


#6 posted 10-31-2010 11:36 AM

Really cool and simple thinking, how is the precission on those rollers?
This is the first I see, where I say: got to make one like that!
Thank you for sharing,
best thoughts,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View Tim Dahn's profile

Tim Dahn

1480 posts in 2313 days


#7 posted 10-31-2010 12:42 PM

This is great Blake, thanks for posting the the build info too. This is in my to build list so adding it to my favorites.

-- Good judgement comes from experience and experience comes from poor judgement.

View Jamie Speirs's profile

Jamie Speirs

4163 posts in 1604 days


#8 posted 10-31-2010 01:30 PM

Blake,
that is a very neat set up.
The final result makes it all worth while.
Jamie

-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View RandyMarine's profile

RandyMarine

235 posts in 2117 days


#9 posted 10-31-2010 02:31 PM

Cool, I want one!

-- Semper Fi, Randy Sr.

View SPalm's profile

SPalm

4935 posts in 2630 days


#10 posted 10-31-2010 02:42 PM

Very nice Blake. Good for you.
Are you going to add some levers for operating it?
But maybe just grabbing the work piece and pressing it into the bit is really easier. (?)

I like it,
Steve

-- -- I'm no rocket surgeon

View DanSurveyor's profile

DanSurveyor

16 posts in 2233 days


#11 posted 10-31-2010 05:03 PM

Nice! That makes some clean mortises.

View Routerisstillmyname's profile

Routerisstillmyname

713 posts in 2257 days


#12 posted 10-31-2010 05:21 PM

Awesome work. I’m in the process of making dozen or more mortises and sure could use this.
What’s a largest/longest piece it can support?
THX.

-- Router è ancora il mio nome.

View Greg..the Cajun Wood Artist's profile

Greg..the Cajun Wood Artist

5264 posts in 2056 days


#13 posted 10-31-2010 05:36 PM

Great design. How far does your sliding table move? The plunge router on the back really ties it together. Very nice…

-- Each step of every Wood Art project I design and build is considered my masterpiece… because I want the finished product to reflect the quality and creativeness of my work

View Dez's profile

Dez

1124 posts in 2825 days


#14 posted 10-31-2010 06:16 PM

Good Job, nice use of re-purposed parts and materials!

-- Folly ever comes cloaked in opportunity!

View rin69ga's profile

rin69ga

13 posts in 1513 days


#15 posted 10-31-2010 07:36 PM

wow, very impressive! I want one

-- Dennis,Oregon

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