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Reply by LD100

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Posted on Centering router's bit when router is in a lift?

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LD100

9 posts in 199 days


#1 posted 01-05-2021 06:22 PM

HokieKen, you are exactly right.

The two supplied plastic router collars (3.25” & 3.50” ID) have a 4.2” OD. However these collars are split collars which allows them to snug down on your particular router. Therefore the OD of the collar can deviate a bit depending on your exact router OD.

Looking at the clamp, the “theoretical center” of the clamp is fixed in place with some location tolerance (whatever it is). In addition, if your collar+router OD is not exactly 4.20” your router center will shift off center, adding to any offset error. The clamp is clean and simple, but has issues. It is what it is, I guess. I haven’t explored JessEm’s lift in detail, but the JessEm clamp seems to have 4 clamp elements coming in from four corners. This would suggest it’s more accurate for centering than SawStop’s clamp, but maybe it isn’t in actual practice. Not sure.

So far, I love the SawStop’s lift mechanism but I don’t love its clamping mechanism. I don’t hate it, but I just don’t think it’s that great. I’m suspending final judgement while hoping I will get mine centered good enough in the end and leave it in place.

I will definitely post anything I hear from SawStop.


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