4 jaw chuck

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Artysmarty
Posts: 28
Joined: Sun 15 Sep , 2019 14:47 pm
Hardware/Software: Denfird viceroy lathe
Location: Bolton lancs

4 jaw chuck

Post by Artysmarty » Wed 25 Sep , 2019 23:23 pm

Hi all

I need a 4 jaw chuck for my viceroy. does anybody have one going spare that they are willing to sell.

alternatively, where would be the best place to get one from that would have a Viceroy thread (1.5 X 8TPI)
Is that a whitworth thread?

Thanks in advance. Art

rpwilson
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Re: 4 jaw chuck

Post by rpwilson » Thu 26 Sep , 2019 2:48 am

John Ward at Latheparts www.latheparts.co.uk will sort you out with a backplate, then you can fit any 4 jaw. ebay is your friend for the chuck itself.
1 1/2" x 8TPI is a standard BSF thread and will be Whitworth thread form.

Richard Wilson

Artysmarty
Posts: 28
Joined: Sun 15 Sep , 2019 14:47 pm
Hardware/Software: Denfird viceroy lathe
Location: Bolton lancs

Re: 4 jaw chuck

Post by Artysmarty » Sun 29 Sep , 2019 19:42 pm

Thank you richard your help is much appreciated.

1 question though, how would I know which 4 jaw would fit it?

Regards

Art

LesT
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Location: Scotland !

Re: 4 jaw chuck

Post by LesT » Mon 14 Oct , 2019 20:31 pm

Hi,

When you have a backplate that fits the nose, you machine it so that it fits the register at the rear of the chuck, which most chucks will have.
Any 4 jaw chuck should be adaptable to fit, a self centering chuck can be mounted on a backplate with a bit of play so that it can be adjusted to
be close to exactly concentric.

Regards,

Les.T.

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