KELLENBERGER - Kel-VariaDE-GRI-KEL-1995-00001

• Capacity: Center height 175 mm; between centers 1000 mm

• Configuration: Internal grinding device; B-axis tiltable grinding head

Grinding head and B-axis

• Grinding heads available: R, RS, UR

• R head pivot: +30°

• RS/UR heads, rotating part indexing:

  • Manual indexing: 180° to -190°, 2.5° steps

  • Automatic indexing: 180° to -90° (or -30°), 2.5° steps

• B-axis (RS/UR heads): pivot +180° to -190° (some variants limited to about +30°); resolution 0.1"

Workhead

• Standard workhead (C-axis): pivot -30° to +120°

  • Spindle speed: up to 600 rpm (stepless)

  • Mounting taper: MK5; reduction sleeve MK5/MK4

  • Adapter flange: MK5 / DIN 55027 size 5

  • Torque capacity: 160 Nm

  • Max workpiece between centers: 150 kg

• Workhead with rotating spindle:

  • C-axis pivot: -30° to +120°

  • Spindle speed: 5–500 rpm (stepless)

  • Mounting taper: MK5

  • Torque capacity: 320 Nm (incl. clamping device)

  • Max workpiece between centers: 220 kg

Tailstock

• Taper: MK4

• Quill stroke: 50 mm

• Micro-adjust (option): ±150 µm (±0.006 in)

Grinding wheels and internal grinding

• UR head:

  • Left wheel max: 400 × 63 mm

  • Right wheel max (option): 400 × 50 mm

  • Max peripheral speed: 32 m/s

• R head:

  • Wheel max: 500 × 100 mm

  • Max peripheral speed: 32 m/s with 7.5 kW motor; 45 m/s with 9.2 kW motor

• RS head:

  • Wheel max: 500 × 80 mm

  • Max peripheral speed: 32 m/s with 7.5 kW motor; 45 m/s with 9.2 kW motor

• Internal grinding (option/device on this machine):

  • Mounting bore for high-performance spindles (HJN): 80 mm

  • Mounting bore for high-frequency spindles (MFV): 120 mm

Axes and tables

• Z-axis (lower table):

  • Max speed: 15 m/min

  • Resolution: 0.1 µm

  • Travel (1000 mm between centers version): 1150 mm

• Upper table swivel range (1000 mm between centers): 0 to +9°

• X-axis (grinding slide):

  • Max travel: 320 mm

  • Max speed: 7.5 m/min

  • Resolution: 0.1 µm

Drive motors

• X-axis slide: 0.94 kW (2000 min⁻¹)

• Z-axis table: 0.94 kW (2000 min⁻¹)

• Indexing / B-axis: 0.63 kW (3000 min⁻¹)

• Grinding spindle UR: 4.4 kW @ 50 Hz (3000 min⁻¹) / 5.2 kW @ 60 Hz (3600 min⁻¹)

• Grinding spindle R/RS (7.5 kW version): 7.5 kW @ 50 Hz (1500 min⁻¹) / 9 kW @ 60 Hz (1800 min⁻¹)

• Grinding spindle R/RS (9.2 kW version): 9.2 kW @ 50 Hz (1500 min⁻¹) / 11 kW @ 60 Hz (1800 min⁻¹)

• Workhead (standard & rotating): 3.1 kW (3000 min⁻¹)

• Hydraulic pump: 0.37/0.44 kW (1500/1800 min⁻¹)

• Hydrostatic pump: 0.37/0.44 kW (1500/1800 min⁻¹)

Dimensions, weight, utilities (1000 mm between centers version)

• Floor space (L × W): 3600 × 2000 mm

• Weight: net 5000 kg; gross 6000 kg

• Minimum air pressure: 4 bar

• Noise emission: 70 dB(A)

Additional equipment

• Belt filter coolant system