Studer S33 CNC Cylindrical Grinder, New 2018

To the best of our knowledge all details listed below are deemed correct.
It is the buyer’s responsibility to confirm all details and we encourage an inspection of the machine(s) and accessories prior to purchase.

General Specifications:
MAIN DIMENSIONS
Distance Between Centers: 1000 mm (15.7”/25.6”/39.4”/63”)
Centre Height: 175 mm (6.9")
Workpiece Weight Between Centers: 80 / 150 kg (176 lbs / 330 lbs)

X AXIS
Travel: 11.22"
Speed: 10,000 RPM
Feedrate: 0.000,04 – 590 IPM
Resolution: 0,00001 mm (0.000,000,4”)

Z AXIS
Travel: 500 / 800 / 1150 / 1750 mm (19.7”/31.5”/45.3”/68.9”)
Speed: 20,000 RPM
Feedrate: 0.000,04 – 787 IPM
Resolution: 0.00001 mm (0.000,000,4”)

TOTAL WEIGHT
Center Distance: 400 (15.7”) 8500 kg (18 700 lbs)
Center Distance: 650 mm (25.6”) 9500 kg (20 900 lbs)
Center Distance: 650 mm (25.6”) 10 500 kg (23 150 lbs)
Center Distance: 1600 mm (63”) 12000 kg (26 500 lbs)

The information given is based on the technical levels of our machine at
the time of this brochure going to print. We reserve the right to further
develop our machines technically and make design modifications. This
means that the dimensions, weights, colors, etc. of the machines supplied can differ. The diverse application possibilities of our machines
depend on the technical equipment specifically requested by our customers. The equipment specifically agreed with the customer is therefore exclusively definitive for the equipping of the machines, and not
any general data, information or illustrations.

UNIVERSAL WORKHEAD
Speed Range: 1,500 RPM
Fitting Taper: MT5 / Dia. 70 mm (2.7”) MT5
Spindle Bore: (Feedthrough) dia. 26 mm (1.02") dia. 30 mm (1.18")
Driving Power: 3 kW (4 hp)
Load During Live Grinding: 70 Nm (52 ft lbs) 70 Nm (52 ft lbs)
Roundness Accuracy During Live Spindle Grinding: 0.0004 mm (option: 0.0002 mm) 0.0004 mm (option: 0.0002 mm)
Speed Range: 1 - 1,000 RPM
Fitting Taper MT5 / dia. 110 mm (4.3”) ISO50 / dia. 110 mm (4.3”)
Spindle Bore: (Feedthrough) Ø 38 mm (1.5”) Ø 50 mm (1.97”)
Driving Power: 4 kW (5.4 hp)
Load During Live Grinding: 180 Nm (134 ft lbs) 180 Nm (134 ft lbs)
Roundness Accuracy During Live Spindle Grinding: 0,0004 mm (0.000,016”) 0,0004 mm (0.000,016”)
C-Axis, Indirect Measuring System: 0,0002° 0,0002°

EXTRA-FINE GRINDING TAILSTOCK
Fitting Taper: MT3
Barrel Stroke: 35 mm (1.37”)
Diameter of Barrel: 50 mm (1.97")
Automatic Fine Adjustment for Cylindricity Corrections: ±40 μm (0.0016”)

TAILSTOCK
Fitting Taper: MT3/MT4 MT4
Travel of Barrel: 35 mm (1.37”) 60 mm (2.36”)
Diameter of Barrel: 50 mm (1.97") 60 mm (2.36”)
Fine Adjustment for Cylindricity Corrections: ±40 μm (0.0016”) ±80 μm (0.0032”)

CHUCK WORKHEAD
Speed Range: 1–1,500 RPM / 1 - 1,000 RPM / 1 - 1,000 RPM
Fitting Taper: MT4 / dia. 70 mm (2.7”) MT5 / dia. 110 mm (4.3”) ISO50 / dia. 110 mm (4.3”)
Spindle Bore (Feedthrough): Ø 26 mm (1.02") Ø 38 mm (1.5”) Ø. 50 mm (1.97")
Driving Power: 3 kW (4 hp) 4 kW (5.4 hp)
Load During Live Grinding: 100 Nm (74 ft lbs) 250 Nm (186 ft lbs) 250 Nm (186 ft lbs)
Roundness Accuracy During Live Spindle Grinding: 0.0004 mm (option: 0.0002 mm) 0.0004 mm (option: 0.0002 mm) 0.0004 mm (option: 0.0002 mm)

Option
C-Axis Standard, Indirect Measuring System: 0,0002° 0,0002° 0,0002°
C-Axis High-Precision, Direct Measuring System: 0,0001° 0,0001° 0,0001°

WHEELHEAD
Type: External Type: Universal
Swiveling Range: 0° /15°/ 30° -30° to +225°
Resolution: 1 deg Hirth
Fitting Taper: Ø 73 mm (2.87”) Ø 73 mm (2.87”)
Drive Power: 11.5 kW (15.4 hp) max. 12.5 kW (16.75 hp)
Grinding Wheel: Ø x width x bore 500 × 63 (80F5) × 203 mm (20” × 2.5” (3.15”F5) × 8”)
Circumferential Speed: Up to 50 m / s (9840 sfpm) up to 50 m/s (option: 63 m/s (12,400 sfpm))
Internal Grinding Attachment for High Frequency Spindles
Mounting Hole Diameter: 120 mm (4.73")
Speeds: 24,000 – 120,000 RPM

SYNCHRONOUS TAILSTOCK
Fitting Taper: MT4
Travel of Barrel: 120 mm (4.72”)
Spindle Nose: Ø 70 mm
Workpiece Weight Between Centers: 80 kg (176 lbs)
Fine Adjustment for Cylindricity Corrections: ±80 μm (0.0032”)

CONNECTED LOAD
Total Connected Load: 26 kVA
Air Pressure: 5,5-7 bar (80-102 psi)

GUARANTEED WORKING PRECISION
Straightness of the surface line
Gauge Length: 400 mm 0,0020 mm (0.000,08”)
Gauge Length: 650 mm (25.6") 0,0025 mm (0.000,10”)
Gauge Length: 1 000 mm (39.4") 0,0030 mm (0.000,12”)
Gauge Length: 1600 mm 0,0040 mm (0.000,16”)