A master who turns flywheels.
CNC — numerical management.
The workpiece in the cartridge is fixed, which is three — and four -cup. The difference between them is the very principle of consolidation. If only one fist is enough in the three -cuplcous so that the rest are squeezed evenly and hold the workpiece, then in the four -cub will you have to twist each cam separately. To fix longer parts, the machine is equipped with a backdrop.