STUDER - S33 CNCCH-GRI-STU-2005-00001

- completely overhauled in 2026

- Operating Hours: 0h after overhaul

- Center Height: 175 mm

- Center Distance: 1000 mm

- Machine Base: Mineral cast Granitan S103

- Strokes: 285 mm (X-axis) x 1150 mm (Z-axis)

- X-axis Drive: AC Servomotor and ball screw, 0° angle, feed rate 0.001–5.000 mm/min

- Z-axis Drive: AC Servomotor and ball screw, feed rate 0.001–10.000 mm/min

- Measuring System: Incremental scale for X and Z axes, resolution 0.0001 mm

- Grinding Headstock: Universal for external and internal grinding, Hirth serration 1° (-15° to +195°)

- Motor Spindle (Pos. 2): 7.5 kW, 1400 to 3200 rpm, programmable cutting speed max. 50 m/s

- External Grinding Guard: Wheel size D. 500x63mm F1 (80mm F5) with automatic contact protection

- Internal Grinding Spindle (Pos. 3): Studer belt-driven internal grinding spindle (180°) with frequency inverter

- Workhead Stock: Universal, roller bearing mounted, taper MK5, cylindrical outer nose D. 70mm, spindle bore D. 28mm, manual spindle lock

- Workhead Drive: 1.8 kW AC Servomotor, speed range 1–1500 rpm, jog speed 1–50 rpm

- Workpiece Weight: Max. 80 kg between centers

- Tailstock: Taper MK4, 35 mm stroke, quill diameter 50 mm, hydraulic quill retraction with monitoring, manual fine adjustment +/- 0.04 mm

- Pneumatic Lifters: Pneumatic lift-off for easy shifting of workhead and tailstock

- Control System: Fanuc 21i-TB with 10.4" color touch screen, integrated PLC, 32KB user memory, 400 program storage slots

- Power Supply: 400V +/- 10%, 50 Hz +/- 1Hz, 24V DC control voltage

Optional Equipment:

- Dittel Sensitron 6 contact detection with magnetic sensor (1 pc)

- Movomatic C25 LP active probe

- 3 pcs levelling elements

- Air conditioning unit for electrical cabinet

- Euchner hand-held control unit

- Swiveling dresser for internal grinding

- Park position for tailstock

- 3 pcs Studer belt-driven internal grinding spindles (24,000 rpm / 40,000 rpm / 60,000 rpm)

- Foot pedal for C-axis override with open doors

- Foot pedal for clamping device actuation (tailstock)

- Electrical interface for rotary dressing (spindle optional)

- Movomatic in-process gauge control ES 124 control (measuring head optional)

- 8 pcs used grinding wheel flanges for external grinding

- Various new MK4 centers

- Various dressers

Additional Capabilities:

- Capable of thread and form grinding (software must be requested directly from Fritz Studer AG)