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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

Toolholder:
Front: Capto size C6 – Multifix D1
Rear: Drilling rest with clamping claw

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 actuated, mounted outside the headstock)

Headstock
Spindle nose DIN 55027 / Bore (standard): 11 / Ø 132 mm
Spindle diameter at front bearing: 190 mm
Speed range (constant V): 1 – 1,800 rpm
Standard chuck sizes: Ø 315, Ø 400, Ø 500 mm
Spindle nose DIN 55026 / Bore (option): A 11 / Ø 164 mm
Spindle diameter at front bearing: 210 mm
Speed range (constant V): 1–1,600 rpm
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Cross-slide
Feed range, cross: 0.001 – 1,000 mm/min
Feed range, longitudinal: 0.001 – 2,000 mm/min
Thread pitches: 0.01–999.999 mm
Rapid traverse, cross/longitudinal: 5/10 m/min
With centre distance: 4,000 mm
Feed force, cross: 16,000 N
Feed force, longitudinal: 22,000 N
Turning tool section: 40 x 40 mm²

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

Electrical equipment
Three-phase current: 400 V, 50 Hz
Design according to VDE and EMC guidelines EN 50081-2 / EN 50082-2
Interference suppression level A according to EN 50081-2
For TN-S or TN-C power 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 / approx. weight in kg)
3,000 mm: 10,900 kg

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