Knuth CNC Cycle Lathe Numturn 420 SI Eco
 

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  
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  
spindle speed 3000 rpm
spindle mount A2-6
lathe chuck diameter 200 mm
spindle bore 56 mm
feed  
rapid feed X-axis 4000 mm/min
rapid feed Z-axis 8000 mm/min
tool head  
number of tool stations 1 Pieces
tailstock  
tailstock taper MT 4
tailstock quill diameter 52 mm
tailstock quill stroke 100 mm
accuracies  
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  
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  
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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