canadian oddy wrote:
liduno wrote:
I feel your pain on the lathe, mine is over 100 years old. If I had to thread something that had a shoulder or was close to the chuck, I would only cut left handed threads..lol
You can cut right hand threads if you turn your lathe bit upside down and run in reverse.
This then cuts a right hand thread with the cutter running toward the tail stock. No danger to hit the head or a shoulder.
That's what I did in this project.
CO
I've since added reverse, but originally you would have had to twist the belt hanging from the line shaft..lol This lathe was originally driven by a water wheel in a river, it was upgraded to an electric-motor ((
Internal Combustion Engine ? )) in 1914. I still have that
motor (( Internal Combustion Engine ? )), and it still works.
The picture below shows a line shaft system Image from google. See how some of the belts have a twist in them? That reverses the machine it's driving.