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Karstens Generalüberholt K19 CNC 650

Centre height: 181 mm
Centre width: 650 mm
Maximum grindable workpiece diameter: 360 mm
Max. load (between centres): 1000 N (100 kg) (unsupported)/3000 N (300 kg) (between centres)

Z-Axis
Table swivel angle: 10°
Table drive (hydraulic): 0–4 m/min

X-Axis
Cross slide stroke: 80 mm
Rapid traverse (hydraulic): 50 mm
Coarse adjustment (air cushion): 280 mm

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Feed drive via DC motor
Rapid feed rate: 48 mm/min per Ø
Infeed cycle: plunge/longitudinal grinding
4 preselectable feed rates (mm/min per Ø): 0.01–48
4 preselectable infeed increments (mm): 0.001–0.1
Dwell time for shoulder grinding (s): 0-99 / 0–99 strokes
Incremental infeed (mm per Ø): 0.001

Grinding spindle head, universal, swiveling: 0–180°
Grinding wheel: external D x width x bore (mm): 500 x 100 x 127 or 203.2
Grinding wheel (face, option) D x width x bore (mm): 250 x 32 x 76.2
Grinding wheel (internal, option) D (mm): (2–250)
Drive power (external, face): 5.5 kW (7.5 kW)
Drive power (internal): 2.2 kW
Peripheral speed (external): 35 (50) m/s
Grinding wheel wear (external): 160 mm per Ø
Guard width: 100 mm
Grinding spindle diameter: 60 mm
Internal spindle mounting: 80 (100) mm

Workhead:
Drive steplessly adjustable: Mk 4, 1/mm 30–270 / 50–450
Workpiece spindle lockable
Spindle mounting: MK 4/24 mm
Spindle nose for flange mounting: MK 4 cylindrical Ø63H6 x 6 mm
Workhead swivels on rotary part: 0–90°

Tailstock:
Quill mounting/quill diameter: MK4/50 mm
Quill stroke: 45 mm
Quill force: 100–800 N / 250–1400 N adjustable
Quill operation: manual (foot switch)
Quill fine adjustment: ±40 μm

Connection specifications:
Total connected load: 6.5–10 kW
Grinding spindle head: 5.5 (7.5) kW
Workhead: 0.55 (1.1) kW
Coolant purification: 0.75–2.2 kW
Lubrication pump for guideways: 0.1 kW
Hydraulic pump: 1.5 kW
Hydraulic tank: 80 litres
Pneumatics: 6 bar

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