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GP-Rundschleiftechnik GmbH GP K11-1000

K11-1000 Universal Cylindrical Grinder

Also available with 650 mm grinding length
Manufacturer: Karstens

Technical Specifications:
Centre distance: 1100 mm
Centre height: 180 mm (250 mm optional)
Workpiece weight: 100 kg (between centres), 300 kg (supported on both ends)
Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
Workpiece spindle: MT4, infinitely variable speed 30–450 rpm, swivelling range 0–90°
Tailstock: MT4, quill stroke 45 mm
Quill force: 200–600 N manual (up to 2500 N possible, adjustable as option)
Table swivel: 10 degrees
Infeed handwheel travel: 80 mm
Rapid traverse travel: 50 mm
Coarse air cushion adjustment: 280 mm
External grinding spindle motor: 4 kW (5.5 kW optional)
Infinitely variable grinding wheel speed with 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
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Net machine weight: 3800 kg
Infeed drive via DC motor
Air-cushion assisted rapid positioning of the grinding spindle head for quick and safe approach to the grinding position.
Independent drives for external and internal grinding spindles.
Fully automatic operation, infeed movement controlled by rotary cam switch:
Rapid approach, rapid return, grinding operation, infeed stop, micron infeed.
Automatic longitudinal grinding cycle
Central coolant supply to all grinding positions
Workpiece spindle stock with infinitely variable drive for rotating or fixed spindle mode
Digital infeed control with Siemens panel and Siemens PLC for longitudinal and plunge grinding. Programming for retraction, infeed amounts, feed rates, spark-out times, idle strokes. Compatible with legacy Karstens infeed control, with colour Siemens touch panel.
Comparable to Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat

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