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Karstens Premium Retrofit K11 1000

Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine

Manufacturer: Karstens
Technical specifications:

Centre distance: 1100 mm
Centre height: 180 mm / (250 mm = optional)
Workpiece weight: 100 kg between centers (unsupported), 300 kg between centers (supported)
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Workpiece spindle: MT 4, infinitely variable speed control 30–450 rpm, swivel range 0–90°
Tailstock: MT 4, quill stroke 45 mm
Quill force: 200–600 N manual, (up to 2500 N adjustable = optional)
Table swivel: 10 degrees
Cross-feed spindle 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 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
Machine weight: net 3,800 kg
Infeed via DC motor
Air-cushion assisted rapid adjustment of the grinding spindle head
for quick and precise positioning of the grinding location.
Separate drives for external and internal grinding spindles.
Fully automatic machining cycle, infeed movement via rotary selector switch:
Rapid advance, rapid return, grinding mode, infeed stop, micron feed.
Automatic longitudinal grinding cycle
Central coolant supply to all grinding positions
Workpiece headstock with infinitely variable drive for rotating and lockable spindle.
New digital infeed control with Siemens panel and Siemens PLC
for longitudinal and plunge grinding, programmable retraction, infeed amounts,
feeds, spark-out times, idle strokes; compatible with previous Karstens infeed control;
with coloured Siemens touch panel
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Comparable to: Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat

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