KELLENBERGER Kel-Varia

KELLENBERGER Kel-Varia

This KELLENBERGER Kel-Varia cylindrical grinding machine was manufactured in 1995. It features a Kellenberger Kelco 90 control system and a robust internal grinding device with a B-axis for a tiltable grinding head. The machine supports a tip height of 175 mm and a tip width of 1,000 mm, equipped with a belt filter system. Ideal for precision grinding tasks. Contact us for more information about this machine.

• Capacity: Center height 175 mm; between centers 1000 mm
• Configuration: Internal grinding device; B-axis tiltable grinding headGrinding 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 kgTailstock
• 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
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• Mounting bore for high-frequency spindles (MFV): 120 mmAxes 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 µmDrive 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