Cylindrical grinding machine

Karstens Premium Retrofit K11 650

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine Make Karstens Dsdeiv Audjpfx Afzoku Technical data: 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