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STUDER S40-12

grinding diameter:250 mm
grinding length:650 mm
centre height:125 mm
internal grinding spindle rev.-stepless:9500-50000 U/min
workpiece speeds -stepless:50-10000 mm/min
grinding head swivelling:90 Grad
max. dia. of grinding wheel:400 mm
spindle bore:30 mm
grinding length - plunge feed:80 (100) mm
max. grinding depth by internal grinding:ca. 170 mm
max. bore diameter to be ground:90 mm
feed speeds:240 mm/min
max. workpiece weight:80 kg
required cooling water:36 l/min
centre distance:650 mm
distance of workpiece spindle-taper cone:960 mm
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drive capacity - spindle motor:6,25 kW
connected load:ca. 10 kW
total power requirement:8,5 kW
weight of the machine ca.:3,4 t
dimensions of the machine ca.:3,9 x 2,5 x 1,85 m

with Studer control, electric/hydraulic drive, variable speed, tailstock with fine adjustment and
hydraulic back feed, work piece headstock with increased precision, table air , hydraulic removable dressing device, radius-dressing device, Hydro-Cyclone filter, automatic grinding wheel-balancing device, automatic dressing cycle with speed compensation