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Knuth CNC Cycle Lathe Numturn 420 SI Eco
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Powerful CNC Technology for high flexibility and easy handling, available in 4 versions
- 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 - Numturn 420 SI Eco - CNC Cycle Lathe
working area |
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workpiece length (max.) |
750 mm |
turning diameter over bed (max.) |
420 mm |
turning diameter over support (max.) |
230 mm |
travel X-axis |
220 mm |
travel Z-axis |
590 mm |
headstock |
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spindle speed |
3000 rpm |
spindle mount |
A2-6 |
lathe chuck diameter |
200 mm |
spindle bore |
56 mm |
feed |
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rapid feed X-axis |
4000 mm/min |
rapid feed Z-axis |
8000 mm/min |
tool head |
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number of tool stations |
1 Pieces |
tailstock |
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tailstock taper |
MT 4 |
tailstock quill diameter |
52 mm |
tailstock quill stroke |
100 mm |
accuracies |
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positioning accuracy X-axis |
0,015 mm |
positioning accuracy Z-axis |
0,02 mm |
repeatability X-axis |
0,015 mm |
repeatability Z-axis |
0,02 mm |
drive capacity |
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motor rating main drive |
7,5 kW |
motor rating coolant pump |
0,125 kW |
motor rating X-axis |
1,5 kW |
motor rating Z |
1,5 kW |
measures and weights |
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overall dimensions |
2300x1450x1850 mm |
weight |
2000 kg |
Control - Numturn 420 SI Eco - CNC Cycle Lathe
Siemens Sinumerik 808 D MM Plus Drehen
Standard equipment - Numturn 420 SI Eco - CNC Cycle Lathe
Siemens 808 D MM Plus control, 2 electronic hand-wheels, 3-jaw hand chuck Ø 200 mm, quick change tool holder, automatic central lubrication, work lamp, operating tools, operating manual and programming instructions
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