Sebastian Lathe Details


	email: t ony@lathes.co.uk Home Machine Tool Archive Machine-tools Sal e & Wanted Machine Tool Manuals Catalogues Belts Books Accessories Sebastian Lathes Headstocks, Gearboxes & Drive Systems Sebastian Home Page Sebastian Production Lathes 1950s 13-inch Sebastian Bench Lathes Manuals & Catalogues are available for Sebastian Lathes

All-geared. Timken taper=roller bearing headstock with ball-race layshaft. Drive from the motor was by a "Silent Chain" with a clutch built into the top sprocket drum

All-geared headstock with the spindle running in plain bearings. Drive from the motor was by a wide flat belt with a clutch built into the headstock input pulley

Typical flat-belt drive Sebastian headstock.

Screwcutting and feeds chart as used on the 12-inch lathe

Screwcutting Gearbox with a horizontally-disposed quadrant selector to engage screwcutting or fine feeds. This design of box was common across the Sebastian range

Rear view of gearbox and leadscrew-hanger bearings

Tumble-reverse assembly from the changewheel drive to the leadscrew

Rear view of the substantially flat-belt drive countershaft unit

End view of the 14-inch with the clutch
operated from two levers at the front of the lathe.

"Silent Chain" drive from motor to clutch unit on the 12-inch lathe. All the guards were in cast iron.


	Sebastian Home Page Sebastian Production Lathes 1950s 13-inch Sebastian Bench Lathes Manuals & Catalogues are available for Sebastian Lathes Sebastian Lathes Headstocks, Gearboxes & Drive Systems email: t ony@lathes.co.uk Home Machine Tool Archive Machine-tools Sal e & Wanted Machine Tool Manuals Catalogues Belts Books Accessories