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The usual Miter sled

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Project by Routerisstillmyname posted 02-16-2011 02:06 AM 4555 views 8 times favorited 17 comments Add to Favorites Watch

After having a couple of disappointing weekends returning newly purchased sub $200 Slider Miter Saws back to HF and Northern Tool, I decided instead, I would treat myself to a dedicated dual rail miter sled.
Total cost under $20.
The left and right supports are adjustable. This type of miter sled is based on left and right cuts which should sum to 90 degrees. And according to my digital square this is dead on. Test cuts are another story.
Although I’ve seen others use this type of sled successfully, I’m not altogether convinced that this is the way to go. For me, I find the sled too time consuming when it comes to setups, clamping tight against fence and preventing work from slipping and equal length of cuts setups.
So far the few short test cuts have not been in agreement with my digital and engineering squares due to lousy techniques and lack of patience and none slip surface.
Oh well, It will look good as a dust collector in a corner of the shop ;-)

-- Router è ancora il mio nome.





17 comments so far

View SPHinTampa's profile

SPHinTampa

548 posts in 2402 days


#1 posted 02-16-2011 02:19 AM

I had a bad experience getting started with a similar type of set up for a RAS. If your fences or your blade are not 90 degs to sled, it does not matter if your angle is perfect. Also had to glue sand paper to the fences to keep the stock from slipping.

That is where my problem was … maybe it will help you diagnose your jig.

-- Shawn, I ask in order to learn

View MOJOE's profile

MOJOE

547 posts in 1985 days


#2 posted 02-16-2011 02:33 AM

Use your protractor against your blade at a 45…..add a backer board to you miter guage and match it to the other side of the protractor…....should take the miter slot/fence/blade all being perfectly aligned out of the equation…..at least I think???

-- Measuring twice and cutting once only works if you read the tape correctly!

View Routerisstillmyname's profile

Routerisstillmyname

713 posts in 2226 days


#3 posted 02-16-2011 02:42 AM

THX, I spend good hour verifying table saw blade alignment and while I was at it
Fine tuning my miter gauge just in case.
So, I’ve ruled out the table saw. Although the whole point of this type of miter sled is that if supports sum to 90 degrees with reference to blade then all cuts should be 100%.
Slippage is a main problem and holding the test piece tight against the fences.
I would have to resolve these two issues first before even considering messing with my saw blade alignment.

-- Router è ancora il mio nome.

View lou's profile

lou

340 posts in 2159 days


#4 posted 02-16-2011 02:53 AM

NEVER GIVE UP ! STAY AT IT UNTILL ITS RIGHT.

View Thomas1970's profile

Thomas1970

39 posts in 2180 days


#5 posted 02-16-2011 03:10 AM

One question … what and where did you get the tri-angle device shown in your first picture????

Thanks!

-- " .... For he today, that sheds his blood with me, shall always be my brother.”

View lou's profile

lou

340 posts in 2159 days


#6 posted 02-16-2011 03:13 AM

THOMAS1970.IT LOOKS LIKE WOODPECKERS.COM

View Routerisstillmyname's profile

Routerisstillmyname

713 posts in 2226 days


#7 posted 02-16-2011 03:17 AM

One question … what and where did you get the tri-angle device shown in your first picture????

woodpeck. you can kind of see it at the center of tri ;-)

-- Router è ancora il mio nome.

View cabs4less's profile

cabs4less

235 posts in 1479 days


#8 posted 02-16-2011 03:18 AM

I am a huge fan of table saws but I think this is one place where a chop saw wins cayse the wood is held still and the blade moves. Dumb question What if your angles are off meaning the supports might equal 90 but what if 1 is 44 and the other 46 that might explain why your square reads it right and test cuts not maybe not though

-- As Best I Can

View Routerisstillmyname's profile

Routerisstillmyname

713 posts in 2226 days


#9 posted 02-16-2011 03:26 AM

I think this is one place where a chop saw wins

I agree, even if this thing cut perfect 45 degree miters, I find it too time consuming for setup.

I made this, partly because I had all the parts around the shop and I thought it might be something I could use.
based on the time it took me to do few tests, I don’t see myself using it. this type of sled is not designed to deal with long boards.
Repeatability would be a major issue with these also.

I think I will pull the trigger on none slider Hitachi C10FCH2.

-- Router è ancora il mio nome.

View Routerisstillmyname's profile

Routerisstillmyname

713 posts in 2226 days


#10 posted 02-16-2011 05:40 AM

Well, just for the heck of it I rechecked the left and right fences against the blade and the protractor reads 135 on both sides so not sure why the cuts are off.
But then again the protractor itself could be off by a 0.1 per manufacturers specs and that would explain the mess? have to rule that out, I’ve tested it against all my squares inside and outside. it’s dead on 100%.

-- Router è ancora il mio nome.

View Millo's profile

Millo

543 posts in 1766 days


#11 posted 02-16-2011 06:28 AM

These two look suspiciously familiar:

http://www.woodcraft.com/Product/2020361/22056/Pinnacle-12-Precision-Triangle.aspx

http://www.woodpeck.com/ptr12.html#1170

Router,I need to make one of those soon… need to put stuff on the walls. I don’t have my own shop, so it’ll have to wait… Keep up the work, though!

View Thomas1970's profile

Thomas1970

39 posts in 2180 days


#12 posted 02-16-2011 06:54 AM

Lou and Millo;

Thanks it was a Woodpecker and I found them too!

Thanks! Gotta get one of those!

-- " .... For he today, that sheds his blood with me, shall always be my brother.”

View Ken90712's profile

Ken90712

15138 posts in 1905 days


#13 posted 02-16-2011 11:47 AM

Looks great! Nice work.

-- Ken, "Everyday above ground is a good day!"

View steliart's profile

steliart

1808 posts in 1405 days


#14 posted 02-16-2011 11:58 AM

This is how my sled looks. At first it was build as a test sled, but since I was quite happy with it I kept it.

-- 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 RexMcKinnon's profile

RexMcKinnon

2593 posts in 1912 days


#15 posted 02-16-2011 04:41 PM

Looks good to me. Even if one side was 46 deg and the other 44 deg they still total 90 deg and the joint should be good as long as you cut your mitre using both side and not 2 cuts on one side. I think your right about slippage problem. I think if you want perfect miters you’re going to have to add adhesive sandpaper to stop slippage and a stop system so you are not mesuring the length.

After all that the chops saw does sound better but I find it harder to square up the chop saw and produce perfect 90 deg and 45 deg. Maybe I am missing something.

-- If all you have is a hammer, everything looks like a nail!

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