Cylindrical grinding machine

Karstens Premium Retrofit K11 650

Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine

Make Karstens
Technical data:

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Center width: 750 mm
center height: 180 mm / (250 mm = option)
Workpiece weight: 100 kg flying, 250 kg between centers
grinding wheel diameter: 400 mm or 500 mm (external grinding wheel)
workpiece spindle: MK 4, speed infinitely variable 30-450 rpm, swivel range 0 - 90 °
tailstock: MK4, quill stroke 45 mm, cylinder correction
quill force: 200-600 N manual, (up to 2500 N possible, adjustable = option)
table inclination: 12,5 degrees
feed spindle adjustment travel: 80 mm
rapid traverse path: 50 mm
Coarse adjustment air cushion: 280 mm
Grinding spindle motor outside: 4 KW / (5,5 KW = option)
Infinitely variable speed adjustment of the grinding wheel with potentiometer
grinding spindle motor inside: 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 3500 Kg
Infeed drive by 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
Work headstock with infinitely variable drive with travelling and lockable spindle.
Feed control digital with Siemens panel and Siemens SPS
for longitudinal grinding and plunge-cut grinding, input for return, infeed amounts,
feeds, burnout times, empty strokes, compatible to the old Karstens infeed control,
with colored Siemens touch panel
scale in X and Z axis make HEIDENHAIN.
similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

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