Portable boring machine 1

Combination of planetary gear drive and nut-screw one.
Input is the blue shaft carrying the nut--screw drive. The red tool fixed on the pink nut-slider has helical motion of fine pitch.
The machine is used for large workpieces (in glass) that are difficult to be processed on lathes or boring machines.

Видео Portable boring machine 1 канала thang010146