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Karstens Premium Retrofit K11 650

Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine

Manufacturer: Karstens
Technical data:

Centre distance: 750 mm
Centre height: 180 mm / (250 mm optional)
Workpiece weight: 100 kg between centres (unsupported), 250 kg between centres (supported)
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Blodpfx Asiv Audsdmer
Workpiece spindle: Morse taper 4, stepless speed control 30–450 rpm, swivel range 0–90°
Tailstock: Morse taper 4, quill stroke 45 mm, barrel correction
Quill force: 200–600 N manual, (up to 2500 N possible, adjustable = option)
Table swivel: 12.5 degrees
Feed spindle adjustment travel: 80 mm
Rapid traverse: 50 mm
Coarse adjustment with air cushion: 280 mm
External grinding spindle motor: 4 kW / (5.5 kW as option)
Stepless speed adjustment of the grinding wheel via potentiometer
Internal grinding spindle motor: 2.2 kW
Workpiece spindle motor: 1.1 kW
Hydraulic motor: 1.5 kW
Lubrication motor: 0.1 kW
Hydraulic tank capacity: 80 litres
Machine weight: net 3500 kg
Infeed drive via DC motor
Air cushion-supported rapid traverse of the grinding spindle headstock
for quick and safe positioning to the grinding position.
Separate drives for external and internal grinding spindles.
Fully automatic operation, infeed movement via rotary cam switch:
Rapid approach, rapid return, grinding mode, infeed stop, micron infeed.
Automatic longitudinal grinding cycle
Central coolant supply to all grinding positions
Workpiece headstock with stepless variable drive for both live and lockable spindle modes.
Digital infeed control with Siemens panel and Siemens PLC
for longitudinal and plunge grinding, programmable retraction, infeed values,
feed rates, dwell times, idle traverses, compatible with older Karstens infeed controls,
featuring a colour Siemens touch panel
Scale in X and Z axes from HEIDENHAIN
Comparable to Weiss/EMAG/GP cylindrical grinders/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat

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