The "SAPORITI F50" milling head is an auxiliary unit fitted onto lathes or threading machines for the manufacture of plasticising type screws. This milling unit consists of a steel fabricated spindle holder, which also supports the motor and transmission group. It is fitted onto an auxiliary carriage, and axial movement is via leadscrew and hand wheel. The Spindle nose is of the ISO 50 type. An AC Motor operates at 15 Hp.(11Kw) - Max. Spindle speed 1500 rev/min (optional 20 Hp.(15Kw)). The control is of inverter type, enabling to adjust speed up to 2000 RPM. at constant power; below 1500 RPM. The motor operates at constant torque.