TOS HOSTIVAR BUC 63A/4000 Cylindrical grinding machine

Control system: SIEMENS SIMATIC
Working range of the machine:
Rotation diameter: 630 mm
Rotation diameter in the open setting block: 40 - 150 mm
Rotation diameter in closed setting block: 40 - 250 mm
Center width: 4000 mm
Workpiece headstock and tailstock:
Workhead can only be swiveled 90° in the direction of the grinding headstock
Diameter of the chuck: 315 mm
Taper in the workpiece spindle: Morse 6
Stroke of the tailstock quill: 70 mm
Taper in the tailstock quill: Morse 6
Sanding headstock:
Sanding headstock can be tilted by -10 - +30°
Adjustable by 280 mm with ball screw
Subsequently adjustable by 250 mm
Adjustable by a total of 530/620 mm
Rapid adjustment path of the headstock: 90 mm
Infeed on rotation of the handwheel in relation to diameter 0.5 mm
Infeed on rotation of the rotary head in relation to diameter 0.05 mm
Smallest infeed with rotary knob in relation to diameter 0.001 mm
Grinding wheel:
Dimensions of the grinding wheel: 750 x 100 x 305 mm
Diameter of the partially worn grinding wheel: 650 mm
Diameter of a partially worn grinding wheel: 570 mm
Largest width of the grinding wheel: 125 mm
Largest width of a multi-part wheel set: 175 mm
Largest sum of the individual widths of a multi-piece wheel set: 100 mm
Smallest table movement: 1 mm
Largest table movement with center width 4000 mm: 4450 mm
Infinitely variable table speed: 0.05 - 3.6 m/min
Table feed on one turn of the handwheel: 8 mm
Table can be tilted by +/- 4°
Weight of the workpiece:
Maximum workpiece weight when holding between centers: 2500 kg
With flying pick-up including clamping device: 150 kg
Number of speed levels of the grinding spindle: 2
Rotational speeds of the grinding spindle: 840, 970 rpm
Peripheral speed of the grinding wheel: 33 m/s
Number of speed levels of the driving wheel infinitely variable range: 2
Driving wheel speeds: 8 - 50 50 - 315/min
The machine is equipped with an extraction system from the manufacturer RUWAC as well as a large stock of grinding wheels, abrasive wheels and various spare parts Покажи превода