TOS BUT 63 x 4000 SP

TOS (HOSTIVAR) BUT 63 x 4000 SP
Heavy Duty Universal Cylindrical Grinder with retrofit PLC control
year 1965 / 1998 reconditioned ant PLC retrofit

Grinding Ø nominal (max.) 630 mm (660 mm)
Height of centres 335 mm
Grinding length / Table travel 4.000 / 4.350 mm
Weight of workpiece, max. approx 2.500 kg

Cross travel of grinding slide 420 mm
Hydr. quick feed cross travel 80 mm
Feed travel (servomotor) 2 / 3 mm / Ø
Infeed amount of grinding slide per tablereturn 0.01 – 0.1 mm / Ø
Grinding wheel head slide swivels + / - 30 °

Grinding wheel Ø x width x bore 750 x 100 (225) x 305 mm
Speed of the grinding spindle motor 1.460 rpm

Workpiece spindle stock / tailstock taper MK 6
Table speeds, infinitely variable 0,05 – 5 / 8 mm / min
Taper angle / table swivel up to + / - 3 °


Grinding spindle drive / workhead drive 18,5 kW
Total electrical load approx.. 28 kW - 400 V - 50 Hz
Weight, approx. 15.000 kg