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.
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. |
