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Karstens Generalüberholt K19 CNC 650

Center height: 181 mm
Center distance: 650 mm
Maximum grindable workpiece diameter: 360 mm
Max. load (overhung): 1000 N / 100 kg
Max. load (between centers): 3000 N / 300 kg

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

X-axis
Cross slide travel: 80 mm
Rapid traverse (hydraulic): 50 mm
Coarse positioning—air cushion: 280 mm

Infeed drive via DC motor
Rapid feed rate: 48 mm/min/Ø
Infeed process: Plunge / Longitudinal grinding
4 pre-selectable feed rates: mm/min/Ø 0.01–48
4 pre-selectable infeed increments: mm/ 0.001–0.1
Spark-out during end stop grinding: s 0–99 / 0–99 strokes
Jog infeed: mm/Ø 0.001

Grinding spindle headstock—universal, swiveling: degrees 0–180
Grinding wheel (external): D x width x bore mm 500x100x127 or 203.2
Grinding wheel (face, option): D mm 250x32x76.2
Grinding wheel (internal, option): D mm (2–250)
Drive power (external, face): kW 5.5 (7.5)
Drive power (internal): kW 2.2
Peripheral speed (external): m/s 35 (50)
Grinding wheel wear (external): mm/Ø 160
Wheel guard width: mm 100
Grinding spindle diameter: mm 60
Internal spindle mount: mm 80 (100)

Workpiece headstock:
Infinitely variable drive, MK 4: 1/min 30–270/ 50–450
Workpiece spindle lockable
Spindle mount: mm MK 4/24
Spindle nose for flange mounting: MK 4 mm cylindrical Ø63H6 x 6
Workpiece headstock swivels on the rotary part: degrees 0–90

Tailstock:
Quill mount / quill diameter: mm MK 4/750
Quill stroke mm: 45
Quill force N: 100–800 / 250–1400, adjustable
Quill actuation: manual (foot switch)
Quill fine adjustment: ±40μm

Connections:
Total power requirement of the machine: kW 6.5–10
Grinding spindle headstock: kW 5.5 (7.5)
Workpiece headstock: kW 0.55 (1.1)
Coolant cleaning: kW 0.75–2.2
Guideway lubrication pump: kW 0.1
Hydraulic pump: kW 1.5
Hydraulic tank: liters 80
Pneumatics: bar 6
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Similar to Weiss/ EMAG/ GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna

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