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Re: HBM 4 Jaw chuck for Unimat SL

 

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That looks like the made in India 50mm for the db/sl. I have the same one. It is reversible but i found this chuck to be really sticky when i got it. i wound up lapping it in with metal polish for a couple of hours¡­ and then splurged on an OG Unimat 4.


Best Regards
John



On Sep 16, 2024, at 11:56?AM, Robert Vine <robert.vine36@...> wrote:

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Some pics of the 4 jaw chuck - I've no idea if this reversible. It never came with other jaw parts?
Thoughts please

Thanks

On Mon, 16 Sept 2024 at 12:38, Robert Vine via <robert.vine36=[email protected]> wrote:
Hi All,
Years ago a bought a 50mm HBM 4 jaw independent chuck M12 thread for my Unimat SL. I need to do some work on reducing a couple 25x25x25mm aluminium bars to 24x24x25 and thought it might be a good idea to use my SL. However, It does appear that when I remove a jaw and reverse it, it wont move back into the chuck? Does this mean that the jaws are not reversible I seem to doubt this) and if there are not, how can I realistically swap them around?
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Any advice will be most greatly received.
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Many thanks
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Rob

<4 jaw check 1.jpg>
<4 Jaw check 2.jpg>
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