CYLINDRICAL GRINDING MACHINE “STUDER” S-20-12

Inventory 2200055 consisting of :

– CM4 workpiece-holder headstock
– tailstock MT2
– internal grinding device with spindle 82060 no 2012 68’000 rpm with 2 grinding arbors
– digital readout Heidenhain ND780 two-axis
– 1 swivelling diamond holder with diamond ref 1924.600
– 1 MT4 male centre
– 1 full tailstock MT2
– 1 chuck 1×3 soft jaws Pratt Burnerd 1637-01000 Ø 100 mm without adaptor MT4
– 1 magnetic plate Ø 100 mm without adaptor MT4
– 1 drive disc for chuck
– 1 chuck flange or plate with MT4 adaptor
– 1 balancing device
– 2 grinding wheel flanges
– 1 lighting device
– 1 coolant device by filter paper Vertex new
– 1 stop for longitudinal slide

Options

9250040 – 1 drawbar w-20 with reduction bush MT4/W20 chf. 500.– + Vat
800768 – 1 Vertex PF-40 spraying device by paper filtration
: : : : capacity 120 Litres, ref 800768 chf. 2'400.— + vat
9250041 – 1 W-20 quick closing device ref 1921.704 with MT4/W20 reduction,
: : : : second hand chf. 800.- +vat
9250042 – 1 steady-rest with 3 dogs Ø 2,5-80 mm ref 1914.600,
: : : : second hand repainted, chf. 800.– +vat
9250043 – 1 support scope ref 1915.600, second hand repainted, chf. 600.– + vat
9250044 – 1 adjustable reversible dressage device, without diamond,
: : : : second hand repainted, chf. 1'800.– + vat
9250045 – 1 adjustable diamond holder ref 1924.600, without diamond,
: : : : second hand repainted chf. 1'200.– + vat
9250046 – 1 magnetic plate Ø 150 mm CM4 ref 1930.707, used chf. 900.– + vat
9250047 – 1 Balancing attachment chf. 500.– + Vat

Manufacturing origin Swiss
Voltage 380/50/3
Netweight ab. 1600 kg
Custom position 8460.2920
Dimensions 235x155x145cm

TECHNICAL DATA
:

MAIN DIMENSIONS :
centre height 100 mm
centre distance 400/650 mm

LONGITUDINAL SLIDE :
max travel 420/650 mm
min travel autom. Minimal 1 mm
speed vt 100-3500 mm/min
reversal dwell 0-5 s
max swivel of table 400/650 mm 30°/15°

WHEELHEAD SLIDE :
max. travel 170 mm
rapid approach 30 mm
plunge depth in dia. 1.9 mm
infeed 1 0.03-1.5 mm/min
infeed 2 (option) 0.02-0.3 mm/min
incremental infeed 0.0005 – 0.025 mm

WHEELHEAD :
grinding wheel dia. x width x bore 350x32x127 mm
power requirement 3 kW
peripheral speed vs 30 m/s
speeds 1600/1975/2200 min-1
initial positioning 120 mm
swivel range to right 15° + 30°
option wheel guard for wheel sets max width 50 mm

WORKHEAD :
swivel range 0° – 90°
speed nw 80/175/380/800 min-1
fitting taper morse 4
collets W-20
power requirement 0.5 kW
max. workpiece weight between centres 20 kg
live grinding load 12 Nm
options stepless drive range I 30-300 min-1
range II 120-1200 min-1

TAILSTOCK :
fitting taper : Morse 2
travel of barrel 20 mm

GUARANTEED ACCURACY, SURFACE STRAIGHTNESS :
centre distance 400 mm
measuring lenght 400 mm 0.002mm/15.7’’
centre distance 650 mm
measuring lenght 650 mm 0.003 mm / 25.6’’
roundless on live spindle 0.0004 mm

CONNECTION LOADS :
total power requirement max. 8 kVA
max. permissible voltage fluctuations –15 % + 10 %
max. permissible frequency fluctuations +/- 3 %
required air pressure 5 bar

errors and omissions excepted data gived without obligation