Reply by MrRon

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Posted on Drill press bit wander issue..

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4720 posts in 3212 days

#1 posted 06-24-2013 11:02 PM

If you have a dial indicator and magnetic base, press the plunger against the side of the chuck (not running) and press on the chuck and note the deflection. Lower the chuck (and table) in 1/4” increments and press again on the chuck and note the deflection readings. If the readings get bigger as you lower the chuck and table, you have found the problem. It could be the top bearing in the DP. By lowering the chuck and the table the same amount, you will be taking consistant readings at the same spot on the chuck.

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