If you own self-tightening chuck you may be able to help me. I have a large (17") Craftsman machinest's drill press and I'm having issues holding on to the twist drill while I try to tighten the self-tightening (odd name for something that doesn't use a chuck key) chuck. I know that you are supposed to support the end of drills on scrap while you tighten. I'm use to holding the drill and turning the chuck to snug by hand and then using the key. So, getting to my question, do these chucks ever wear-in and loosen? That's it. I'm becoming more agile but wouldn't mind the chuck getting a bit easier to tighten!
Does this eventually loosen with use?
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i think the proper parlance is "Keyless chuck"
my Sears Craftsman 19.2V C3 cordless drill has a keyless chuck, it turns and tightens easily, its not stiff or anything. I wonder if it grips hard enough though, it's easy to spin the larger bits in the chuck if the bit seizes in the workpiece - even wood... e.g. the torque the drill puts out is more than the chuck can hold. Worse, spinning the bit, the jaws put a burr on the bit shanks. The burr will rip your skin if it catches you, I have to file them off if I spin the bit, so it chucks up clean next time i use it. I don't know if this is typical. I wonder if anyone else has the same problem.Last edited by LCHIEN; 01-11-2013, 06:40 PM.Loring in Katy, TX USA
If your only tool is a hammer, you tend to treat all problems as if they were nails.
BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions -
The keyless chucks I have work relatively easy. I can just hold the bit and spin the knurled part manually. Or, I can set the bit, and just hold the chuck, and start the rotation with the switch. On removal it could release by just a quick snap with the drill not running.
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Spray or powdered graphite? I assume the former. Is the chuck mounted on tapered shaft - I can look that one up. I was thinking that gravity could be used to carry the graphite further into the parts of the chuck.Blessings,
Chiz
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somehow i missed that you had a key - I guess that's not a keyless chuck, then.Last edited by LCHIEN; 01-11-2013, 08:12 PM.Loring in Katy, TX USA
If your only tool is a hammer, you tend to treat all problems as if they were nails.
BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questionsComment
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Loring, C.man said that he once had a keyed chuck which he pulled to lubricate. I have the keyless chuck (btw,thanks for reminding me of the term. I could not retrieve it from my damaged brain. It has been like that since the surgery.) Thanks again!
ChizLast edited by ironhat; 01-11-2013, 08:56 PM.Blessings,
Chiz
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