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Forum topic by robots posted 04-16-2014 03:13 PM 1145 views 0 times favorited 6 replies Add to Favorites Watch
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robots

11 posts in 965 days


04-16-2014 03:13 PM

Topic tags/keywords: tip question tablesaw

So i made a table saw sled out of 3/4 mdf board. I am noticeing that right side of my sled isn’t completly square to my blade. But the left side is. Do you all think that my right side runner might be a little bit bigger than the left. but if so wouldn’t that make both sides not square to my blade?

-- redtree lets me live my passion.


6 replies so far

View a1Jim's profile

a1Jim

115202 posts in 3040 days


#1 posted 04-16-2014 03:20 PM

Sounds like your runner that goes into your miter slot is not attacked so you get square cuts ,it needs to be square to the front of your sled.

-- http://artisticwoodstudio.com Custom furniture

View MrRon's profile

MrRon

3926 posts in 2706 days


#2 posted 04-16-2014 06:55 PM

Both runners MUST be parallel to each other or it won’t work.

View CharlieM1958's profile

CharlieM1958

16242 posts in 3681 days


#3 posted 04-16-2014 07:02 PM

Well, in most cases it really doesn’t matter if the side of your sled is parallel to the blade or not. What matters is whether the back of your sled, where the workpiece will align, is exactly perpendicular to the blade.

As long as your runners are parallel to each other and fit snugly without too much slop, and the back of the sled holds your material at 90 degrees to the blade, your sled can look like a trapezoid and still do its job. Now if you want to use the side of your sled as a reference to make a square cut, that’s another matter.

-- Charlie M. "Woodworking - patience = firewood"

View robots's profile

robots

11 posts in 965 days


#4 posted 04-16-2014 08:43 PM

the way i set my runners. I cut them down out of some mdf,put two put pennies down, layed my runners in my mitter slots on my table, then put a even coat of glue on then set my sled on top with my fince being square to my blade. does that sind like a good way to do it or should i have done something different.

-- redtree lets me live my passion.

View toolie's profile

toolie

2023 posts in 2091 days


#5 posted 04-18-2014 01:18 AM

does that sind like a good way to do it or should i have done something different.

first, mdf is too soft to use for runners. even plywood would be better, as would any hardwood that doesn’t swell or shrink too much with changes in emperature and humidity.

second, follow these instructions for an easy to build, dead on accurate TS sled without a lot of fuss:

https://www.ridgidforum.com/forum/power-tools/woodworking-discussion-forum/14335-crosscut-sled-different-way?t=13945

niki was a terrific woodworker who selflessly shared tips and suggestions that were easy to follow and terribly accuate. here’s my sled built with his technique:

i went for incra runners. they are a bit spendy, but when installed properly, can be adjusted for a proper fit from the bed of the sled.

-- there's a solution to every problem.......you just have to be willing to find it.

View kdc68's profile

kdc68

2526 posts in 1740 days


#6 posted 04-18-2014 01:25 AM

+1 toolie.... robots.....the pennies in the slots is good to elevate the runners but runners made of mdf isn’t going to hold up

-- Measure "at least" twice and cut once

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