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Router Sled for flattening upgrade

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Project by rrdesigns posted 07-04-2011 04:04 AM 6970 views 41 times favorited 10 comments Add to Favorites Watch

After viewing Mochoa’s project (http://lumberjocks.com/mochoa/blog/24136), and reading Bob Kollman’s comment I decided to use their ideas and suggestions and create my own router sled for flattening cutting boards. I built a box with some gripper shelf liner in the bottom to help hold the board still and to act as a guide and containment area for the boards. It has a 3/4” false bottom insert to accommodate different thicknesses of boards. “Slipit” sliding compound was applied as a lubricant for the rails and the bottom of the sled. The sled consists of a sheet of Lexan with a hole drilled into it for the bit shank and countersunk holes to mount the router. I removed the router base and used the Lexan in its’ place. 3/8” x 2” oak strips were glued to the Lexan to act as the sled, with extra length included for hand holds. A Whiteside Bowl & Tray bit in the router works well with one exception, the router bit occasionally left burn marks on the board, mostly around the edges. They sanded out but were a bit of a nuisance. I’ll go in search of a better bit and see if it makes any difference…UPDATE (7/6/11)...switched the bit out for Freud’s dish carving version with better results.

-- Beth, Oklahoma, Rambling Road Designs





10 comments so far

View wood_wench's profile

wood_wench

89 posts in 2175 days


#1 posted 07-04-2011 04:30 AM

An elegantly simple solution to a difficult task. I have the luxury of an open arm drum sander but i like the router sled idea better to flatten the cutting boards. And, “slip-it” is great stuff. Especially for a jig like this.

View Wayne's profile

Wayne

196 posts in 1336 days


#2 posted 07-04-2011 04:41 AM

Hmm… Ive gotta make me one of these!
Looks good too.

View dubsaloon's profile

dubsaloon

619 posts in 1537 days


#3 posted 07-04-2011 09:07 AM

Nice Idea! I think I like it.

-- The works of evil people are not the problem. It is the "Good" people standing by and watching not speaking up. Dubsaloon

View HalDougherty's profile

HalDougherty

1820 posts in 1980 days


#4 posted 07-04-2011 02:29 PM

I hold boards in my router sled so they won’t move, by drilling a series of holes like you have on the top of a work bench and using short dowels to stop the board. I tighten them by using a board cut from one corner to the other to make two wedges and tap them between one set of dowels and the board I’m holding. It’s quick and easy to set up and quick to release. Nothing worse than a nice cutting board shooting through the jig with the router bit at 20,000 + rpms gouging the top of your project…

-- Hal, Tennessee http://www.first285.com

View Bertha's profile

Bertha

12951 posts in 1437 days


#5 posted 07-04-2011 02:32 PM

Another strong argument for the venerable PC690. Look at that little guy go!

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View Mauricio's profile

Mauricio

6893 posts in 1895 days


#6 posted 07-04-2011 04:27 PM

Beth, this is so cool. Its awesome being able to share ideas and have them inspire someone else. Thanks for the call out.

I like all of your improvements. The non slip pad, the bowl bit, the slip it. I never heard of slipit. What is that? Is it like a polyurethane or an actual lubricant? I also like the lexan addition. I need to get some lexan and incorporate it into my sled.

I would like to figure out a way to be able to quickly clamp the router in place so that removing the plate to screw it to the sled wouldnt be necesary. So far I’m using double stick tape which thinking about it, maybe its not that much faster than dealing with 3 screws.

-- Mauricio - Woodstock, GA - "Confusion is the Womb of Learning, with utter conviction being it's Tomb" Prof. T.O. Nitsch

View rrdesigns's profile

rrdesigns

503 posts in 1929 days


#7 posted 07-04-2011 05:18 PM

Mochoa> http://www.slipit.com/prodsc.html Also, removing the plate, which on my router was solid black, added to the visibility which the direct connection to the Lexan. And attaching three screws takes very little time at all.

HalDougherty> I didn’t have any trouble with board movement on top of the non slip pad, but I was taking very slight passes just to be sure. I’ll keep your idea in mind should need be though. Thanks.

-- Beth, Oklahoma, Rambling Road Designs

View Tim Kindrick's profile

Tim Kindrick

369 posts in 1298 days


#8 posted 07-04-2011 08:01 PM

You gotta love Slip-it!!! That stuff is awesome!!!!! Great job on this sled!!!

-- I have metal in my neck but wood in my blood!!

View Nate Finch's profile

Nate Finch

20 posts in 1668 days


#9 posted 07-05-2011 12:50 AM

Newbie here, wondering why you are using this rather than a thickness planer? Is it because it’s end grain, and so you can’t get a good smooth surface with the planer?

-- Nate, Harvard, MA

View rrdesigns's profile

rrdesigns

503 posts in 1929 days


#10 posted 07-05-2011 04:45 AM

Nate: Running end grain under a planer blade is a bad idea. Not only do you risk tear-out it is extremely hard on the blades. Some other LJ’s say they have done it taking very small bites, but I’m not willing to risk the potential damage to either my boards or my blades.

-- Beth, Oklahoma, Rambling Road Designs

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