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Knuth Numturn 420 SI CNC Cycle Lathe
Powerful CNC Technology for high flexibility and easy handling, available in 4 versions
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Knuth Numturn 420 SI CNC Cycle Lathe:
- manually transverse the X and Z axes via 2 electronic hand wheels
- User-oriented cycle interface for easy parts programming - turning cycles with many programming options to create a complete parts program
- USB port for easy data transfers (Sinumerik 808 D on PC included in standard equipment)
- induction-hardened, ground guideways
- Longitudinal and transverse movements via high-quality preloaded ball screws and servo drives
- smart central lubrication system for low-maintenance operation
Specifications - Knuth Numturn 420 SI CNC Cycle Lathe:
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Working area
Workpiece length (max.)
Turning diameter over bed
Turning diameter over support
Travel X-axis
Travel Z-axis
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750 mm
420 mm
230 mm
220 mm
590 mm
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Headstock
Spindle speed
Spindle mount
Spindle bore
Spindle bore
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3.000 rpm
A2-6
35 mm
35 mm
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Feed
Rapid feed X-axis
Rapid feed Z-axis
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4.000 mm/min
8.000 mm/min
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Tool head
Number of tool stations
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8 Pieces
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Tailstock
Tailstock taper
Tailstock quill diameter
Tailstock quill stroke
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MT 4
52 mm
100 mm
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Accuracies
Positioning accuracy X-axis
Positioning accuracy Z-axis
Repeatability X-axis
Repeatability Z-axis
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0,015 mm
0,02 mm
0,015 mm
0,02 mm
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Drive capacity
Motor rating main drive
Motor rating coolant pump
Motor rating X-axis
Motor rating Z
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7,5 kW
0,125 kW
1,5 kW
1,5 kW
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Control:
Siemens Sinumerik 808 D MM Plus Drehen
Standard equipment:
Siemens 808 D MM Plus control, 2 electronic hand-wheels, hydr. 3-jaw chuck Ø 200 mm, 8-station turret, automatic central lubrication, work lamp, operating tools, operating manual and programming instructions
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