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Albrecht chuck

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David Davies 8	14/11/2022 22:22:05
202 forum posts 1 photos	Good Evening I have a strange problem with a recently acquired Albrecht 1/2 inch chuck and before I pull it to bits I wonder whether anyone has seen this behaviour before? Holding the chuck in my hand, if I insert a drill bit and tighten it securely using both hands, the moment I release my grip on the hood it unwinds and loses its grip on the drill.. This happens on both 7mm and 11.5mm diameter drill bits. Any thoughts? Thanks Dave
Tony Pratt 1	14/11/2022 22:26:08
2319 forum posts 13 photos	Try a very thorough degrease Tony
David Davies 8	16/11/2022 18:48:13
202 forum posts 1 photos	Thanks Tony, I'll give that a try first. Cheers Dave
Simon Williams 3	16/11/2022 19:19:44
728 forum posts 90 photos	You might like to take a look at Tom Lipton with much the same question - though not quite as severe. Try Youtube link here He makes the point that the gripping efficiency of an Albrecht chuck is a compromise between a bit of lubrication to get the tightening to work, but too much lubrication stops the friction necessary to hold the drill securely. He also details how to get the thing to bits and what to expect to find inside. Good luck Simon
David Davies 8	16/11/2022 21:40:52
202 forum posts 1 photos	Thanks for the link Simon, very interesting!
JohnF	17/11/2022 23:25:14
1243 forum posts 202 photos	David, Have a look at this link to overhauling these chucks on Machinists Blog John Edited By JohnF on 17/11/2022 23:25:45
Ady1	17/11/2022 23:40:11
6137 forum posts 893 photos	I did a cheapo one of theirs here
Kiwi Bloke	18/11/2022 09:23:52
912 forum posts 3 photos	Really useful info, thanks. I hadn't appreciated the importance of a bit of appropriate friction in these things.
David Davies 8	19/11/2022 08:36:49
202 forum posts 1 photos	JohnF and Ady1, thanks for your posts, both very helpful.

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