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DMT Kern CD 820

Control: Siemens Sinumerik 840D

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

Tool Holders
Front: Capto size C6 – Multifix D1
Rear: Boring block with clamping jaw

Centre Distance: 3000 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
Front bearing spindle diameter: 190 mm
Speed range (constant torque): 1 – 1800 rpm
Standard chuck sizes: Ø 315, Ø 400, Ø 500 mm
Spindle nose DIN 55026 / Bore (option): A 11 / Ø 164 mm
Front bearing spindle diameter (option): 210 mm
Speed range (constant torque, option): 1–1600 rpm

Cross Slide
Feed range, cross: 0.001 – 1000 mm/min
Feed range, longitudinal: 0.001 – 2000 mm/min
Thread pitches: 0.01–999.999 mm
Rapid traverse cross/longitudinal: 5 / 10 m/min
For centre distance: 4000 mm
Feed force, cross: 16,000 N
Feed force, longitudinal: 22,000 N
Turning tool cross-section: 40 x 40 mm²

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

Electrical System
Three-phase: 400 V, 50 Hz
Manufactured to VDE and EMC standards EN50081-2 / EN50082-2
Interference suppression grade A 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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