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[Canuck]

I did read the review when you posted the link but I'm confused as to what they're talking about, It doesn't seem possible to me that you could make a cast iron top on a tablesaw 'crown' from putting pressure on the stop       Scott, have you seen that happen with your tablesaw?  I will check that out with mine just out of curiosity

[Kerry Verne]

I didn't notice much of a change when I released the positive stops on mine, though it may take time. The SawStop is more interesting, though swapping out the cartridge every time you switch to a dado will likely get annoying. Probably worth the cost though.

[Canuck]

Get yourself a Radial arm saw and put a dado on it and that'll solve all your problems with switching it out!

[Scott Peterson]

I made some rough calculations yesterday afternoon (bored at work! ) - and based on the results, I wonder if 0.011" upwdard deflection of the top is possible for a cast steel tablesaw top.  I was calculating 2000 lbs force required minimum...  Then again, I may have made some bad assumptions on the table thickness and I didn't account for the opening in the table very well either.

If the table top settles down over time - that soulds like creep to me.  I'm not sure if cast steel will creep much - usually that requires a sustained load.

Well - let us know how things go - I'm interested to see what happens!

[Canuck]

I was going through my original paperwork for my jet tablesaw and found the original specs of the pre-delivery inspection sheet which shows:
Inspection Record
Description of test:
Run-Out of Arbor Flange = (.0008" allowed tolerance) Test results = .0008"
Parallelism Between Blade and Mitre Slot = (.0118" allowed)  results = .0048"
Minimum Blade Height = (3-1/8" allowed) results = 3.13

I'm pretty sure that's why I never bothered to check and try to calibrate any settings myself

[Eric Fuller]

Parallelism Between Blade and Mitre Slot = (.0118" allowed)  results = .0048"

Actually that's a lot of runout on the blade.  I like to keep mine within .002 and even then I don't get a perfect cut.

[Canuck]

That Blade parallelism between blade and mitre slot is an insignificant figure as I reference everything off the blade