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GP-Rundschleiftechnik GmbH GP K11-1000

K11-1000 Cylindrical Grinding Machine

Also available with a grinding length of 650 mm
Manufacturer: Karstens
Technical Specifications:
Centre distance: 1100 mm
Centre height: 180 mm / (250 mm optional)
Workpiece weight: 100 kg (between centers, unsupported), 300 kg (supported between centers)
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Workpiece spindle: MT 4, infinitely variable speed control 30-450 rpm, swiveling range 0 - 90°
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Tailstock: MT4, quill stroke 45 mm
Quill force: 200-600 N manual (up to 2500 N possible, adjustable as an option)
Table swivel range: 10 degrees
Slide adjustment 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 liters
Machine weight: net 3800 kg
Feed drive via DC motor
Air cushion-assisted rapid adjustment of the grinding spindle headstock for fast and secure positioning to the grinding position.
Separate drive for external and internal grinding spindles.
Fully automatic operation, feed movement via stepped switch:
Rapid infeed, rapid return, grinding mode, feed stop, micrometer feed.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding positions
Workpiece spindle headstock with steplessly adjustable drive for live and lockable spindle.
Digital feed control with Siemens panel and Siemens PLC for longitudinal and plunge grinding, programmable return, feed amounts, feeds, spark-out times, idle strokes, compatible with the old Karstens feed control, with color Siemens touch panel
Comparable to Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat

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