ATB saw tooth layout and Table Saw alignment?

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Forum topic by JesseTutt posted 10-08-2013 07:47 PM 1282 views 0 times favorited 3 replies Add to Favorites Watch
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854 posts in 3078 days

10-08-2013 07:47 PM

Topic tags/keywords: table saw atb saw blade table saw alignment

I started to align the contractor’s saw today. As I was using a dial indicator in the miter slot to verify that the saw blade is parallel to miter slot, I noticed an unusual thing. As I slide the dial indicator’s tip across the side of a carbide tooth the dial indicator changed its reading by a 2 – 3 thousandths. So when I take a measurement with a given tooth at the front of the saw, rotate it to the back of the saw and take a measurement, my measurement could be off based solely on where I placed the pint on the saw tooth

Here is a diagram (I am not an artist):

As I slide the dial indicator from point D to point E, I will notice the 2 – 3 thousandths change.
So if I make a measurement with the point at E on the front of the saw and then rotate the blade to the back, if the dial indicator’s point lands closer to point D than E, how do I know if the difference in reading is an alignment issue or the angle on the carbide tooth?

The specifics:
Delta contractor’s saw about 20 years old
Forest WoodWorker 2 ATB blade bought along with the saw.
Blade sharpened twice. Last time by a New York (?) company offering free blade sharpening at the WoodWorkers show.
SuperBar and it’s dial indicator.

-- Jesse, Saint Louis, Missouri

3 replies so far

View Bill White's profile

Bill White

5329 posts in 4928 days

#1 posted 10-08-2013 08:52 PM

Indicate on the blade plate, not the teeth.
That’s what I do.

-- [email protected]

View tefinn's profile


1222 posts in 3405 days

#2 posted 10-08-2013 09:40 PM

+1 what Bill said.

-- Tom Finnigan - Measures? We don't need no stinking measures! - Hmm, maybe thats why my project pieces don't fit.

View rrww's profile


263 posts in 3081 days

#3 posted 10-08-2013 11:05 PM

I use the plate of the blade – I mark a small dot on it when I measure the front of the blade then I spin the blade to the back. I then measure the back at the same dot. If that makes any sense.

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