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Karstens K11 650

Karstens K11 650
The cylindrical grinding machine was completely overhauled at PS-Karstens.
The machine is checked and in a very good condition.
Since we are specialized in Karstens cylindrical grinding machines, we can offer you the complete service (electrical and mechanical) for the machine after purchase.

Technical data:

Center width: 650 mm
center height: 180 mm
workpiece weight: 100 kg flying, 250 kg between centers
grinding wheel diameter: 400 mm
workpiece spindle: MK 4, speed infinitely variable 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
feed spindle adjustment travel: 80 mm
rapid traverse path: 50 mm
Coarse adjustment air cushion: 280 mm
grinding spindle motor outside: 4 KW
grinding spindle motor inside: 2,2 KW
workpiece spindle motor: 0,55 KW
Machine weight: Net 3800 Kg
Infeed drive via DC motor
Air cushion-supported quick adjustment of the grinding headstock
for fast and safe approach of the grinding position.
Separate drive for the spindles for external and internal grinding.
Fully automatic work sequence, infeed movement via wind rose switch:
Fast forward, fast reverse, grinding mode, infeed stop, mym infeed.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding points
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Work headstock with infinitely variable drive with travelling and lockable spindle.
Infeed control for longitudinal grinding and plunge-cut grinding, input for return, infeed amounts,
feeds, burnout times, empty strokes
Paper belt filter automat approx. 250 L
similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

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