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Karstens Premium Retrofit K11 1000

Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine
Manufacturer: Karstens
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Technical specifications:
Centre distance: 1100 mm
Centre height: 180 mm (250 mm optional)
Workpiece weight: 100 kg between centres (unsupported), 300 kg between centres
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Workpiece spindle: MT 4, infinitely variable speed control 30–450 rpm, swivelling range 0–90°
Tailstock: MT4, quill stroke 45 mm
Quill force: 200–600 N manually, (up to 2500 N adjustable, option)
Table swivel: 10°
Cross slide travel: 80 mm
Rapid traverse: 50 mm
Coarse adjustment (air cushion): 280 mm
External grinding spindle motor: 4 kW (5.5 kW optional)
Infinitely variable grinding wheel speed adjustment 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: 80 litres
Net machine weight: 3,800 kg
Infeed drive via DC motor
Air cushion-supported rapid adjustment of the grinding spindle head for fast and safe positioning to the grinding position.
Separate drive for the spindles for external and internal grinding.
Fully automatic operation, infeed movements controlled via rotary selector switch: rapid advance, rapid return, grinding mode, infeed stop, micrometre infeed.
Automatic longitudinal grinding cycle
Central coolant supply to all grinding points
Workpiece headstock with infinitely variable drive for rotating and lockable spindle.
New digital infeed control with Siemens panel and Siemens PLC for traverse and plunge grinding; input for retraction, infeed amounts, feed rates, spark-out times, idle strokes; compatible with the original Karstens infeed control; with coloured Siemens touchscreen; HEIDENHAIN scales in X and Z axes.
Comparable to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna

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