Many apologies for not spotting this reply. I got mine from an Aliexpress store. They needed a good clean and are no more than the basic telescopic elements but they were what I expected.
https://www.aliexpress.com/item/2040062237.html?spm=a2g0o.order_list.order_list_main.164.5c191802fL7sp5
I did something very similar to this on my Colchester Bantam - magnetic scale and ballscrew. Very simple and neat, although some would say it was sacrilegious to machine the saddle and cross slide.
Beware of the myriad holes and fixings on the top of the cross slide. Being magnetic, these...
Does anyone have a source for schematic circuit diagrams for Thermal Arc machines? I have a 220A AC/DC TIG with a popped output IGBT. It seems that when ESAB acquired TA, they simply killed off all the Thermadyne website, manuals, technical data etc as if they never existed. I'm working my way...
To answer the OP question - yes, both the screwcutting and power feeds are affected by the change wheels. The default gears are shown on the label but you can change the feeds by fitting different gears. IIRC, the gearbox input rotates slightly faster than the spindle in the default setup.
Have...