Churchill CHURCHILL TWR PLC Roll Grinder

CHURCHILL TWR PLC Roll Grinder

PLC
Grinding diameter 2.540 mm.
Workpiece weight 35 ton
Workpiece weight with four steadies: 180 ton
With Cambering.
Two separate bedways.
Hydrostatic Bearings.
Hydrostatic Steadies, Roll Journal Rests.
Built 1990 modernized 2004.
Working Capacity.
Grinding length 10.000 mm
Max diameter with 915 mm Grinding wheel 2.540 mm
Min diameter with 915 mm Grinding wheel 250 mm
Center distance 10.000 mm
Max Roll weight without steadies 35 Ton
Max Roll weight with four steadies 180 Ton
Carriage
Feeds 75-4190 mm/min
Total length of the carriage on ways 4.899 mm
Wheelhead.
Spindle Motor, DC 75 kw
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 4-40 rpm
Length of headstock 3.162 mm
Feeds 1.490 mm/min
Feeds Cross 171 mm/min
Tail stock
Stroke of quill 304,8 mm
Taper No 7 Morse
Tailstock length 1.346 mm
Feeds 2.570 mm/min
Machine Dimensions.
Machine weight 160 Ton
Length 23 m.
Width 12 m.