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Karstens K11 650

Karstens K11 650
This cylindrical grinding machine has been completely overhauled by PS-Karstens.
The machine has been inspected and is in very good condition.
Since we specialize in Karstens cylindrical grinding machines, we can offer you complete service (electrical and mechanical) for the machine after purchase.

Technical data:
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Distance between centers: 650 mm
Distance between centers: 180 mm
Workpiece weight: 100 kg cantilevered, 250 kg between centers
Grinding wheel diameter: 400 mm
Workpiece spindle: MK 4, speed continuously adjustable 30-450 rpm, swivel range 0 - 90 °
Tailstock: MK4, quill stroke 45 mm, cylinder fine adjustment
Quill force: 200-600 N, hydraulically operated via foot pedal
Table inclination: 10 degrees
Adjustment travel of feed spindle: 80 mm
Rapid traverse: 50 mm
Rough adjustment with air cushion: 280 mm
Grinding spindle motor external: 4 KW
Grinding spindle motor internal: 2.2 KW
Workpiece spindle motor: 0.55 KW
Machine weight: Net 3800 Kg
Feed drive via DC motor
Air cushion-supported rapid adjustment of the grinding spindle head
for quick and safe positioning to the grinding position.
Separate drive for the spindles for external and internal grinding.
Fully automatic process, feed movement via jog shuttle switch:
Rapid traverse forward, rapid traverse backward, grinding operation, feed stop, incremental feed.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding points
Workpiece spindle head with continuously adjustable drive with a rotating and lockable spindle.
Feed control for longitudinal grinding and plunge grinding, input for retraction, feed amounts,
feed rates, dwell times, non-cutting travel
Paper band filter system approx. 250 L
Similar to Weiss/EMAG/GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna

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