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| Mill drill and keyless chuck https://auszookers.com/forum/viewtopic.php?f=5&t=18311 |
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| Author: | Damo [ Mon Jan 17, 2011 12:04 am ] |
| Post subject: | Mill drill and keyless chuck |
I have a mill/drill which takes MT3 arbor. I have a 13mm Jacobs keyless chuck (decent one) which I put a holesaw arbor in as I was using a 54mm holesaw. So I drilled my holes no dramas, but when I came to undo the chuck, the bastard thing was TIGHT. Short of going at it with multigrips  how the hell do I get the bastard thing undone???? 
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| Author: | royce [ Mon Jan 17, 2011 12:07 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
I remember learning how to do it at school, but it was a long time ago  , maybe punch it loose with a drift?
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| Author: | Damo [ Mon Jan 17, 2011 12:19 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
royce wrote: I remember learning how to do it at school, but it was a long time ago
, maybe punch it loose with a drift?I can get the chuck out of the mill (give the drawbar a whack), i just cant undo the chuck so I can get the holesaw out. |
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| Author: | eXc450 [ Mon Jan 17, 2011 12:30 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
if you can get the chuck off, can you use a vice + mutli grip/vice grip? |
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| Author: | Damo [ Mon Jan 17, 2011 12:37 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
eXc450 wrote: if you can get the chuck off, can you use a vice + mutli grip/vice grip?
I could, but I don't want to mess up my chuck using multigrips on it!!! Maybe some alloy or copper shim wrapped around it would protect it? |
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| Author: | eXc450 [ Mon Jan 17, 2011 12:50 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
it's gonna look bad in 5 years time anyways... :p you could try a cloth... or search you tube....there are tips on ones with keys...couldnt see anything for keyless...bit of a silly idea IMO except on a hand drill |
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| Author: | BlueSuzy [ Mon Jan 17, 2011 12:51 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
alloy or copper and vice/vicegrips/stilson/pipe jaws/hammer/bin I HATE keyless chucks for that reason. |
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| Author: | royce [ Mon Jan 17, 2011 12:51 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
oops I missed the keyless part, chisel into teh side
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| Author: | Damo [ Mon Jan 17, 2011 12:59 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
I have a feeling these chucks tighten as you use them, and the leverage a holesaw gives is why it is SO tight. Oops
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| Author: | BlueSuzy [ Mon Jan 17, 2011 1:00 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
They only get worse as the get older too.. |
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| Author: | Damo [ Mon Jan 17, 2011 1:26 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Did some more Googling, aparantly the way to go is hold it in a vice with soft jaws, then use a strap wrench to undo. WTF is a strap wrench, yeah, I asked the same thing. Will have a crack tonight, I think I have some aluminium scrap to use as soft jaws, i'll try to cobble together a strap wrench from old seatbelt material. I hope it works coz that Jacobs chuck (precision model) won't be cheap to replace! |
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| Author: | BlueSuzy [ Mon Jan 17, 2011 1:30 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Bout $75 https://www.machineryhouse.com.au/Produ ... kCode=C289 |
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| Author: | ball [ Mon Jan 17, 2011 1:54 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Try an oil filter strap if you have it. A decent keyless chuck actually has a couple of holes that you can use a C spanner to tighten or loosen the thing. |
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| Author: | Damo [ Mon Jan 17, 2011 2:00 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
ball wrote: Try an oil filter strap if you have it.
A decent keyless chuck actually has a couple of holes that you can use a C spanner to tighten or loosen the thing. I don't remember seeing c spanner holes but i'll have another look tonight. I was pretty sure ball would post in here and was expecting the first words of balls post to be "you f*cking idiot" 
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| Author: | ball [ Mon Jan 17, 2011 2:07 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Damo wrote: ball wrote: Try an oil filter strap if you have it. A decent keyless chuck actually has a couple of holes that you can use a C spanner to tighten or loosen the thing. I don't remember seeing c spanner holes but i'll have another look tonight. I was pretty sure ball would post in here and was expecting the first words of balls post to be "you f*cking idiot" nope, I do that shit all the time. The difference is I know I have a spanner to undo the bastard. 
I don't know how hard your chuck is but you may be able to drill some holes in the side like these ones. 
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| Author: | stocker [ Mon Jan 17, 2011 5:43 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
D-Clamp? thats how i get holesaws out of the drill when they get stuck at work... doesn't mess the chuck up either
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| Author: | Damo [ Mon Jan 17, 2011 5:46 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
stocker wrote: D-Clamp? thats how i get holesaws out of the drill when they get stuck at work...
doesn't mess the chuck up either What's a D-clamp? never come across one of them |
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| Author: | stocker [ Mon Jan 17, 2011 5:49 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Thats a d Clamp
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| Author: | appsie [ Mon Jan 17, 2011 5:54 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
G |
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| Author: | Fluffy [ Mon Jan 17, 2011 6:22 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
dude dont use multi grips ..just a 3 inch g clamp.. a lot less brutal on the knurled surface . one of my fkn apprentices put a vice grip on mine.. i near killed him. and still might |
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| Author: | Damo [ Mon Jan 17, 2011 6:27 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Seems like this is a fairly common thing, I don't feel like such a dickhead now
Thanks for the tips guys. |
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| Author: | stocker [ Mon Jan 17, 2011 6:37 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
ah my bad, g clamp  ... its a fitting tool. im an electrician ... forgive the stupidness we work with our hands in the air
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| Author: | TZAR [ Mon Jan 17, 2011 7:58 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
I destroyed one with a grinder to get a drill bit out. $30 ozito drill that burnt out and had a good 12.5mm drill bit in it so I cut the thing open with a cut off wheel |
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| Author: | TZAR [ Mon Jan 17, 2011 8:05 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
since you have a mill drill just machine some flats in it |
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| Author: | kenn [ Mon Jan 17, 2011 8:33 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Maybe some heat could help.. |
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| Author: | shep [ Mon Jan 17, 2011 8:40 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
flog it with a big hammer until it comes out. |
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| Author: | kenn [ Mon Jan 17, 2011 8:51 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
shep wrote: flog it with a big hammer until it comes out.
Yeah that should generate some heat
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| Author: | Teracis [ Mon Jan 17, 2011 9:14 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
Was going to suggest the strap/strap wrench. |
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| Author: | ball [ Mon Jan 17, 2011 9:18 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
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| Author: | Polar_Bear [ Mon Jan 17, 2011 10:31 am ] |
| Post subject: | Re: Mill drill and keyless chuck |
i just use multi grips on mine at work, and put the drill in reverse... but i'm not overly attached to it
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