Reply by Robert

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Posted on Wood drifts away from table saw fence at end

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3598 posts in 2081 days

#1 posted 12-19-2018 04:28 PM

The only thing I know of that could cause this is either a misaligned riving knife or fence. From the sound of it, if anything the fence would be doing the opposite of what is happening.

I always assume a machine is set to specs at the factory (but no, I’m not always right).

Take the shims out, reset everything to factory specs and start over. Review, your manual recommendations on alignments.

When check riving knife be sure straight edge is straight ;-) and not contacting any teeth, ie lays along the blade plate.

If that checks OK, the correct procedure for a table saw is:

1. Align blade to miter slot. (Not 100% necessary, but you should still do it).

2. Align fence to the BLADE, not the miter slot. .003-6” wider at rear, reference off same tooth.

When doing test cuts don’t use lumber. Use plywood, MDF, particle board, etc. because cannot distort.

If none of this works, sorry, but I’m at a loss.

How are you measuring the gaps? I prefer feeler gauges. Dial indicators can work too, but any time you move them (as in adjusting fence-to-blade) you introduce error.

I suppose it could be something like a loose trunnion but you would know that by now, right?

-- Everything is a prototype thats why its one of a kind!!

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