Sounds silly, but I've only just got this Super 7 with Q/C gearbox, and thegearbox manual is decidedly sketchy and not much help to someone unfamiliarwith the gearbox.As received, my lathe was obviously last used set for ordinary(non-screwcutting) work. The leadscrew is quite free to be turned by aspanner on the Simmonds nut (no handwheel is fitted).But I can't see (or learn from the manual) how to set things so that theleadscrew is driven by the gearbox.I seem to have tried all combinations of lever settings, without success.What am I missing ?Jim Hawkins

How to set the gearbox to drive the leadscrew ?

Dec 17, 2007 21 Replies

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David Littlewood 18 years ago

In article , Bob Minchin writes

Great idea, Bob. I have lost count of the number of times I've given myself palpitations by overshooting when cutting up to a shoulder!

I'll definitely give that a try when the holidays are out of the way.

David

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Bob Minchin 18 years ago

Thanks David.

I can't claim the idea to be original as I'm sure I read about it somewhere once but the method was devised by me. I think you will find it useful.

Bob

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