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Handyman: Drill Press

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Forum: HandymanReplies: 3, Views: 47
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porkpal
Richmond, TX

November 13, 2011
9:47 AM

Post #8888253

Okay, I feel really stupid: I am trying to drill a series of holes in a PVC pipe to make a drain line and my drill press will bore one or two holes, then it drops the bit. I reset the bit, really tighten the chuck, and it happens all over again. Help!
porkpal
Richmond, TX

November 13, 2011
12:16 PM

Post #8888488

Never mind! It has had a change of heart. I must not have been holding my mouth right...
Bubba_MoCity
Missouri City, TX

November 15, 2011
1:50 PM

Post #8891555

porkpal, we are nearly neighbors.

I have had that happen to corded and cordless drill/drivers, as well as the drill press, too. If there is any non-linear stress on the bit, it gets transferred to the chuck. If the chuck is lubricated or dusty it will vibrate the bit loose.

I recommend blowing out any collected material from the chuck. Old wood chips, dust, etc. will work as a lubricant.
porkpal
Richmond, TX

November 15, 2011
2:51 PM

Post #8891629

Thanks Bubba, it decided to work for me - I suspect it was a lubrication problem; the chuck was a bit rusty so I wiped it down with a little oil. The PVC definitely grabbed the bit slightly once the hole was complete.

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