Reply by Tony1212

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Posted on Trouble making a long dado

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617 posts in 3017 days

#1 posted 10-31-2017 02:33 PM

In my shop, I would use a router since my 1950’s table saw lacks a height lock and the blade slowly falls during cuts like that.

However, in your case I would use a circular saw and cut off the mistake and try again. then cut that off and do it again. Then cut THAT off and do it again. Do that until you are comfortable and your dadoes are acceptable. Practice makes perfect.

As for why it happened, most likely you weren’t pushing your stock through the blade correctly. You have to push forward AND into the fence. The blade will act as a pivot point, so if you are pushing too far away from the blade, the piece will rotate and your cut will be crooked.

Mattias Wandel has a good explanation of this. See around the 1:19 mark in this video.

-- Tony, SW Chicago Suburbs

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