Churchill TWB CNC Roll Grinder

CHURCHILL TWB CNC Roll Grinder

Fanuc O-Mate
Grinding diameter 2.540 mm.
Workpiece weight 30 ton
Workpiece weight with two steadies: 70 ton
With Cambering.
Two separate bedways.
Steady Rests.
Built 1990 modernized 2012.
Working Capacity.
Grinding length 9.754 mm
Max diameter with 915 mm Grinding wheel 2.540 mm
Min diameter with 915 mm Grinding wheel 250 mm
Center distance 9.750 mm
Max Roll weigth 30 Ton
Max Roll weight with two steadies for backup roll 70 Ton
Carriage
Feeds 75-4190 mm/min
Total length of the carriage on ways 4.194 mm
Wheelhead.
Spindle motor, DC75 kW 500 - 1000 rpm
Wheel Speed 500 - 1000 rpm
Wheel , diameter 610-915 mm
Wheel hole, diameter 305 mm
Wheel thickness 100 mm
Headstock
Motor, DC 25 kW
Workpiece rotating speed 7-60 rpm
Headstock motor 27 kW
Length of headstock 2.858 mm
Feeds 1.490 mm/min
Feeds Cross 171 mm/min
Tail stock
Quill diameter 260 mm
Stroke of quill 200 mm
Center end diameter 160 mm
Taper Metric 5% on the diameter
Tailstock length 1.162 mm
Feeds 2.570 mm/min
Machine Dimensions.
Machine weight 145 Ton
Length 21 m.
Width 11 m.