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Reverse tumbler gears for a G0602 lathe

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norman:
I don't mind the off topic stuff. I seem to be good at off topic myself. Maybe my ADDHd kicking in ???? :doh:

BillTodd:
Norman,  have you considered making a  hardinge type dog-clutch  for these lathes?

norman:
No Bill I haven't. Do you have one on your machine? If so post it, I'm sure everyone would like to see it I know I would.
 I do not know much about them, I know you asked me that on a different forum. I still don't know if I could or would want one on my lathe. I do find it interesting.
I'd be more inclined to try making a power cross feed but then I'm not sure I could make it. I've seen lathes that are close in size to the g0602 and I think they do have the powered cross feed.
Norman

BillTodd:

--- Quote ---Do you have one on your machine?
--- End quote ---

Yes, but  it is a Hardinge HLV-H so it always had it :)

The advantage it gives (especially with a retractable tool-post ) is the ability to thread without detaching the half-nuts (so metric and imperial threads can be cut without a threading dial) . If a threading stop to disconnect the dog clutch can be incorporated in to the design then threading to a shoulder becomes child's-play. 

I think if I were adding a power cross-feed then I'd look to adding it to the rear of the lead-screw using a small servo-motor  without (or with not too much) reduction gearing, so that it would not need mechanically disconnecting for manual use.

Bill

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