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10 TPI LEAD SCREW

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doubleboost:
A friend of mine has bought a Ralgan lathe
He is in the process of rebuilding it
The cross slide screw and nut are very badly worn  :( :( replacements are a fortune :( :(
My colchester bantam will cut 10 tpi no problem :D :D but internal left hand  :doh: :doh:
The shaft is 1/2 inch diamiter 13 inches long i have some imperial silver steel  :) :) :)

A tool was ground and the thread slowly took shape :D :D

the thread was nice and sharp
:( :( :(
Now for the nut  :doh: :doh:lathe running in reverse tool in from the back upside down :) :)
A pice of bronze bar was used

The old and new


 :D :D :D :D :D :D

Stilldrillin:
Super job!  :clap:

I bet your friend's pleased....  :thumbup:

David D

cidrontmg:
Excellent. A cross slide screw + nut for another 50 years.
Are there still available these parts for Raglans +/- off the shelf? From Myford? I guess the factory closed some 40 years ago.

kvom:
a 1/2-10LH tap only costs $100 or so at McMaster-Carr.  Looks like you saved some bucks doing the internal threading on the lathe.  :beer:

Bernd:
Fine job there doubleboost. Looks better than the orginal. Probably works better too.  :thumbup:

Benrd

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