Cylindrical grinding machine

Karstens Premium Retrofit K11 1000

Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine
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Manufacturer: Karstens
Technical Data:

Centre distance: 1100 mm
Centre height: 180 mm / (250 mm optional)
Workpiece weight: 100 kg between centres, 300 kg with support
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Workpiece spindle: MT 4, infinitely variable speed from 30-450 rpm, swivel range 0 - 90°
Tailstock: MT4, quill stroke 45 mm
Quill force: 200-600 N manual, (up to 2500 N adjustable = optional)
Table swivel: 10 degrees
Infeed spindle travel: 80 mm
Rapid traverse: 50 mm
Coarse adjustment with air cushion: 280 mm
External grinding spindle motor: 4 kW / (5.5 kW = option)
Infinitely variable speed adjustment of 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: 80 litres
Net machine weight: 3800 kg
Infeed drive via DC motor
Air cushion-supported rapid adjustable grinding spindle stock for fast and safe positioning to grinding location.
Separate drive for spindles for external and internal grinding.
Fully automatic operating sequence, infeed movement via rotary dial switch:
Rapid approach, rapid return, grinding operation, infeed stop, mym-infeed.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding zones
Workpiece headstock with infinitely variable drive for both live and lockable spindle operation.
New digital infeed control with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, inputs for retraction, infeed amounts, feed rates, spark-out times, dwell strokes; compatible with the old Karstens infeed control; with colour Siemens touch panel.
Similar to Weiss/ EMAG/ GP cylindrical grinders/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller / Fortuna

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