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CYLINDRICAL GRINDING MACHINE “STUDER” S-20-2

SKU: 2220104

Completely overhauled:

Mechanics, geometry, hydraulics and electrical parts (checked and/or replaced)

Grinding headstock
Dismantling, cleaning parts, replacing worn and defective parts, overhauling the motor, replacing bearings, replacing belts, dismantling spindle, replacing seals and O-Rings + adjustment. New paintwork.

Headstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.

Tailstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.

Internal grinding device
Dismantling, cleaning parts, replacing worn and defective parts, fitting support and aligning geometry. New paintwork.

Hydraulics
Dismantle, replace motor, replace hoses, defective and worn parts. Check hydraulic block
X axis
Dismantling, replace worn parts such as O-Ring, seals, rings etc., overhaul hydraulic piston, rectify tables.

Z axis
Dismantling, grinding the tables, replacing worn and defective parts, overhauling the hydraulic piston, scraping the V and flat guides. New paintwork.

Measuring system
2-axis digital display included

Electrical cabinet
Replace motor terms and relay controls. New wiring. New variable speed drive for workpiece stern.

Paint
Colours: White RAL 9003 and grey RAL 7011

Geometry according to manufacturer's protocol.

Request a quotation


  • +41 (0)32 344 20 60
    info@scemama.ch

INFORMATION

Inventory no. 2220104 including :

1 digital read-out Fagor 20i 2 axis, new
1 headstock MT 4
1 drawbar W20 with reduction sleeve MT4/W20
1 headstock with 1 flange
1 balancing arbor
1 extractor
1 tailstock MT 2
1 internal grinding device with spindle 45000 min-1 with protection
1 sensitron
1 coolant device through decantation
1 stop for longitudinal slide

Option

– 1 Balancing attachment chf. 500.– + Vat
– 1 Vertex PF-40 watering system by paper filtration n°800768
: capacity 120 Litres, ref 800768 chf. 2'400.— + vat
– 1 W-20 rapid clamping device ref 1921.704 with CM4/W20 reduction, second hand chf. 500.- +vat
– 1 scope with 3 dogs Ø 2,5-80 mm ref 1914.600, second hand repainted, chf. 800.– +vat
– 1 steady rest ref 1915.600, second hand repainted, chf. 600.– + vat
– 1 adjustable reversible dressage device, without diamond, second hand repainted, chf. 1'800.– + vat
– 1 adjustable diamond holder ref 1924.600, without diamond, second hand repainted chf. 1'200.– + vat
– 1 magnetic plate Ø 150 mm CM4 ref 1930.707, used chf. 900.– + 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 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

Type

S-20 2

  • Request a quotation
    +41 (0)32 344 20 60
    info@scemama.ch