Lathe - cycle-controlled

DMT Kern CD 820

Control: Siemens Sinumerik 840D

Work Area
Swing diameter over bed: 820 mm
Swing diameter over cross slide: 520 mm
Cross slide travel: 600 mm

Tool Holder:
Front: Capto size C6 – Multifix D1
Rear: Boring block with clamping claw
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Centre Distance: 3,000 mm

Main Spindle Drive
Power digital AC motor – 60% duty cycle: 46 kW
Number of gear stages: 2
(ZF planetary gearbox, electrically shifted, mounted outside the headstock)

Headstock
Spindle nose DIN 55027 / Bore (standard): 11 / Ø 132 mm
Spindle diameter in front bearing: 190 mm
Speed range (constant V): 1 – 1800 rpm
Standard chuck sizes: Ø 315, Ø 400, Ø 500 mm
Spindle nose DIN 55026 / Bore (option): A 11 / Ø 164 mm
Spindle diameter in front bearing: 210 mm
Speed range (constant V): 1–1600 rpm

Cross Slide
Transverse feed range: 0.001 – 1000 mm/min
Longitudinal feed range: 0.001 – 2000 mm/min
Thread pitches: 0.01–999.999 mm
Rapid traverse transverse/longitudinal: 5/10 m/min
At centre distance: 4,000 mm
Transverse feed force: 16,000 N
Longitudinal feed force: 22,000 N
Turning tool section: 40 x 40 mm²

Tailstock
Quill diameter: 125 mm
Quill travel: 280 mm
Taper: 6 Mk

Electrical Equipment
Three-phase: 400 V, 50 Hz
Design in accordance with VDE and EMC guidelines EN50081-2 / EN 50082-2
Interference suppression level A according to EN 50081-2
For TN-S or TN-C networks / industrial networks without RCD protection

Dimensions
Machine (L × W × H) = 2.88 m + centre distance × 2.55 m × 2.32 m

Machine Weight
(Centre distance / weight approx. kg)
3000 mm: 10,900 kg

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