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Miter Sled

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Project by DonLumberJohnson posted 395 days ago 1124 views 2 times favorited 6 comments Add to Favorites Watch

This is the first time my target was in the thousandths of an inch range…

Yea… I missed that mark by 600% using the 5 cut method, feeler gauges and couldn’t get under 7 thousandths of an inch over a 24” cut.

According to Marc Spagnuolo and Mr. William Ng this is still unacceptable or at least below the “good nuff” standard.

If you notice the second and last pictures in this post, one is an illustration of me running out of hole space on the right side of my fence and the other is a picture of the large pile of pick-up strips created by cutting two boards down to nothing chasing the improbable >5 thousandths.

Needless to say, any advice on achieving the gold standard would be greatly appreciated.

The light at the end of the tunnel is that the sled is accurate enough to cut 45’s in 1 inch molding I made for a picture frame window for my router cabinet with marginal accuracy, where the glue squeeze out fills the ~1/64” gaps.

Method will be partially at fault here as in all cases.

Either way, I am better off having attempted that level of accuracy and closer to it than I was last week.

Finally, I would like to thank Marc and William for their sage instructional videos.

Peace….

-- Don, Roanoke VA





6 comments so far

View DIYaholic's profile

DIYaholic

12955 posts in 1277 days


#1 posted 395 days ago

I have yet to make my crosscut/miter sled….
I think that my procrastination is aided….
By my fear of not being capable of “achieving the gold standard”....

As you said, you are closer to it than you were last week, CONGRATS on that!!!

BTW: That will be one nice router cabinet, once completed!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View Douglas's profile

Douglas

284 posts in 1162 days


#2 posted 394 days ago

I’d think that you’d want the rear fence to be as wide as the sled base, both for stability and helping you get the accuracy you’re looking for. But I’ll bet you made it short so that you could miter longer pieces. But if the results are working for you, there you go!

-- Douglas in Chicago - http://dcwwoodworks.com

View steliart's profile

steliart

1807 posts in 1290 days


#3 posted 394 days ago

Nice sled.
David Marks made a miter sled with miter fences on both sites, and I find that method to be very nice and easier to built, because as long as both miters add up to a true 90 then you are home free.

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

View DonLumberJohnson's profile

DonLumberJohnson

13 posts in 475 days


#4 posted 393 days ago

Thanks for the comments,

DIYaholic,

Man, to be honest I made a few mistakes in the beginning that complicated things like trying to adjust the fence after I accidentally cut the platform clean in half. The problem with that scenario is that the whole contraption works like a parallelogram until the front piece is installed with 4 screws.

Don’t make mistakes like me by:

1. Follow the instructions in the videos.
2. Attach the forward (4 screws) and rear (2 screws) support pieces before making any cuts at all.
3. Don’t laugh… Remove the riving knife before attempting a plunge cut with your table saw, it won’t shove through the wood.

That last one wasn’t in the videos but the rest of it was really straight forward…

Good luck

-- Don, Roanoke VA

View DonLumberJohnson's profile

DonLumberJohnson

13 posts in 475 days


#5 posted 391 days ago

Steliart,

I like the compact design of that sled and purposed for 45* angles.

I may be asking too much form the one I built but the final vision is to have preset angles built into the platform to support 4, 5, 6, 7, 8 , and 9 sided objects as well as an attachment for spline morticing cuts.

No solid vision yet, I like to tweak the functional parts of my designs on the fly…..

Hopefully everyone feels like this is a collaborative site. I would hope to take from your designs and as I progress share that with the up-and-comings.

Either way thanks.

-- Don, Roanoke VA

View AngieO's profile

AngieO

1134 posts in 749 days


#6 posted 388 days ago

I’m glad to see that this is happening to someone other than me. I also watched the Marc and William do theirs. I thought I followed the instructions and was feeling really great about the whole thing. Till I mad my second adjustment… the the third… then a fourth… and so on. I finally gave up and scraped the whole thing. I need to get some new materials and start again.

Hope you are getting closer. Give me some hope man! LOL

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