I’ve finally completed the miter sled, but not without some issues. I had to sand down the rails quite a bit more so that they would slide without sticking.
Then I applied a liberal layer of paste wax to the bottom of the sled and to the surface of the table saw. This will lower the friction significantly. You’ll be happy if you use this product.
Here is a an animation of it sliding on the table saw. So slick.

Next, I wanted to make sure I had an exact 45 on my table saw. I got out my small combination square and realized that it was off. To resolve this, most tables will have an adjuster screw. You can see how the screw simply stops the saw from angling. Tightening it will narrow the angle and loosening it will widen the angle.
I don’t have a digital protractor, so I transferred a 45 to a t-bevel so that it would sit flat on the table saw surface. I over-loosened the adjustment screw and brought the saw angle all the way back so that it was just a little wide. With the bevel gauge in place, I slowly tighten the adjustment screw until it was flush against the t-bevel.
This is the first cut. Looks good.

I checked the angle again after the first cut and made the first miter cut with my brand new miter sled. I’m pretty happy with it and it should really improve my miters.









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