Cylindrical grinding machine

Studer S31

Complete overhaul
Year 2003 - Fanuc 16i-T
Center height 175 mm and distance between centers 650 mm
2 external grinding wheels + B-axis fine adjustment

Country of origin: CH
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Voltage: 3x400V
Dimensions: 3680x2165x2100 mm
Net machine weight: 5500 kg

TECHNICAL SPECIFICATIONS

Center height: 175 mm
Distance between centers: 650 mm

LONGITUDINAL SLIDE (Z)
Maximum travel: 800 mm
Speed: 0.001 – 10,000 mm/min
Resolution: 0.0001 mm

TRANSVERSE SLIDE (X)
Maximum travel: 254 mm / SPW 650
Speed: 0.001 – 5,000 mm/min
Resolution: 0.0001 mm

Maximum weight of workpiece clamped between centers: 80 kg

TAILSTOCK
Taper: Morse 3
Sleeve: Ø 50 mm
Sleeve travel: 35 mm

UNIVERSAL GRINDING WHEEL HEAD
Left wheel dimension: 500 x 80 x 203 mm
Right wheel dimension: 400 x 80 x 203 mm
Grinding wheel head power: 12.5 kW
Rotation speed: 3,200 min-1
Programmable cutting speed up to: 50 m/s
B-axis travel: -15 to +195°
B-axis indexing accuracy: 0.0001 °

LEFT WORKPIECE HEAD
Taper: CM3
Power: 4 kW
Rotation speed: 1-1000 min-1
C-axis indexing accuracy: 0.001 °

RIGHT WORKPIECE HEAD
Taper: CM3
Power: 4 kW
Rotation speed: 1-1000 min-1
C-axis indexing accuracy: 0.001°
Hydraulic feed with pressure control

Subject to errors and omissions, the technical specifications are provided without commitment.

Inventory No. 2250029:
STUDER S31 CNC, S/No. 055 - 030.0221

Completely overhauled: Mechanical, geometry, hydraulics, and electrical components (checked and/or replaced)

Grinding wheel head
Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings + adjustment. New paint.

Workpiece head
Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of belts. New spindle bearings. New paint.

Tailstock
Disassembled, inspected, overhauled

Hydraulics
Disassembly, motor check, replacement of pipes, defective and worn parts. Check the hydraulic block.

X-axis
Disassembly, replacement of worn parts such as O-rings, seals, segments, etc., overhaul of the hydraulic piston, re-grinding of the tables.

Z-axis
Disassembly, re-grinding of the tables, replacement of worn and defective parts, overhaul of the hydraulic piston, new paint.

Electrical cabinet
Complete check, replacement of various relays.

Paint
Colors: White RAL 9003 and gray RAL 7011

Geometry according to manufacturer's protocol.

Inspection and cleaning of various accessories.

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