Drill press not seeming to be turning perfectly

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Forum topic by Alongiron posted 01-14-2011 06:23 PM 953 views 0 times favorited 2 replies Add to Favorites Watch
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654 posts in 3204 days

01-14-2011 06:23 PM

I have a Rigid DP-1550 stationary drill press. The chuck locked up so I had to get a new one. So I got the old one off and when I put the new one on it seems to be a little off. I can notice the point of the drill bit to have maybe 1/64” wobble at the end. This does not seem to be normal. Any ideas? Thanks

-- Measure twice and cut once.....sneak up on it! Steve Lien

2 replies so far

View Radu's profile


333 posts in 3554 days

#1 posted 01-14-2011 06:28 PM

Check with another bit, if you haven’t done it yet. I bought some cheap Ryobi bits and I noticed the brad point was wobbling. I checked the bit – just rolled it on a flat surface. Sure enough, it was bent.

View PurpLev's profile


8551 posts in 4159 days

#2 posted 01-14-2011 06:37 PM

test this with your largest bit to minimize the possibility of it being a bent drill bit.

If you still experience wobble. it could very well be that the chuck is not set properly in the drill, especially since you state that you noticed this after replacing the chuck.

If it is the chuck – take it out (firmly but carefully not to damage it), clean off ALL debris, lubrication, and anything that may be on the arbor/chuck/socket – the chuck is held by friction and friction alone (morse/jacobs tapers work that way) and any microscopic particle (to dramatize it) will take it off center. point is – make sure everything is super clean, and not lubricated or anything – gotta be dry.

now put the chuck back in the socket put it up while giving it a bit of rotation action to snug it up straight. now place a scrap piece of flat board on the drill table, raise the table until the chuck kisses the piece of wood. using slow speed on the DP start it up and press the chuck down against the piece of wood (make sure wood is secured to the table) just to cause the chuck to press tightly into the socket. the rotation of the chuck will make sure it is evenly pushed in.

hope this helps.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

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