Pomini HD-425-2-7L

POMINI CNC Roll Grinder
Model HD-425-2-7L
Siemens 840D, 12 Axes.
Built 2008.

Two flatbed system grinding and workpiece ways are separate.
With 2 Hydrostatic Steadies.
With 4 Steadies.
Working Capacity.
Grinding length 11.000 mm
Max diameter with 1.066 mm Grinding wheel 2.150 mm
Min diameter with 1.066 mm Grinding wheel 624 mm
Center distance 11.700 mm
Max Roll weigth 80 Ton
Min distance between wheel center and roll axis 845 mm
Max distance between wheel center and roll axis 1.635 mm
Carriage Axis Z, Hydrostatic spindle bearing, length and cross travel
Feeds, Infinitely variable 0-6.000 mm/min
Oil film thickness 0,020 mm
Distance between carriage ways 1.500 mm
Ways width 210 mm
Total length of the carriage on ways 3.200 mm
Wheelhead. Wheel Probe Axis A, Inspektor Axis A1
Wheelhead cross travel, Axis X, Hydrostatic 790 mm
Wheel Spindle length 1.700 mm
Spindle bearing, hydrostatic, diameter 253 mm
Continues wheel indeed on radius min 0,0005 mm
Graduation of micrometer hand wheel, Axes U 0,001 mm
Fine feed travel 6,00 mm
Speedrange 0-830 mm/min
Wheel motor 129 kW, 1.150 rpm
Wheel Speed, max 45 m/sec
Surface speed wheel diameter 1.066 mm 16,7 - 45 m/sec
Surface speed wheel diameter 670 mm 10,5 - 45 m/sec
Wheel hole, diameter 508 mm
Wheel thickness 100 - 150 mm
Crowning, Axis Y.
Max crown on the diameter 6,00 mm
Max concavity on the diameter 6,00 mm
Headstock
Workpiece rotating speed 5 - 65 rpm
Headstock motor 200 kW
Max transmissible torque 76,5 kNm
Faceplate control system V Belts
Stroke of Quill 200 mm
Length of headstock 3.110 mm
Tail stock
Quill diameter 260 mm
Stroke of quill 200 mm
Center end diameter 160 mm
Taper Metric 5% on the diameter
Tailstock length 1.300 mm
Caliper, Arm Axis C, Carriage Axis V, Rotation Axis B.
Max measurable diameter 2.170 mm
Min measurable diameter 400 mm
Machine Dimensions.
Machine weight 105 Ton
Length 21 m.
Width 8 m.