Runout on the blade shaft could be the culprit, accentuated by dulling. This would be consistent with the curving you described.
Was playing with a cheap Rigid tile saw on display recently, table was decent, but the runout caused the blade to have over 1/8" of wobble.
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Jesse
Last edited by TileStuff; 06-06-2019 at 01:36 AM.
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