Knuth Proton 500/1000 B SI CNC Cycle Lathe

47.695,68 EURplus 19 % tax, excl. Shipping costs

Product No.:
upon request (abroad may vary)
Weight per unit:
2700 kg

Knuth Proton 500/1000 B SI CNC Cycle Lathe

Entry-level model of the proven Proton Series - with center width 1000 mm


Knuth Proton 500/1000 B SI CNC Cycle Lathe:

  • headstock and main spindle feature abolute rigidity under high loads, constant temperature balance and superior accuracy
  • automatically shutting off 3-step main gear with infinitely variable speed control
  • the solid tailstock has a large quill with MT5 taper and is especially rigid and load-resistant
  • an automatic 6-station tool turret increases productivity even in small batch productions
  • manual operation via 2 electronic hand-wheels, for manual control and easy set-up and measuring of tools and workpieces
  • automatic central lubrication for simplified maintenance

Specifications - Knuth Proton 500/1000 B SI CNC Cycle Lathe:


Working area

Workpiece length (max.)

Bed width

Turning diameter over bed

Turning diameter over support

Travel X-axis

Travel Z-axis



1.000 mm

390 mm

500 mm

290 mm

240 mm

780 mm



Speed range

Spindle mount

Lathe chuck diameter

Spindle bore



(3) 35 - 2.500 rpm


250 mm

82 mm



Rapid feed X-axis

Rapid feed Z-axis



6.000 mm/min

8.000 mm/min


Tool head

Number of tool stations

Tool shank dimensions

Tool Ø


6 Pieces

25x25 mm

32 mm / 1,3"


Tailstock taper

Tailstock quill diameter

Tailstock quill stroke


MT 5

75 mm

150 mm


Positioning accuracy X-axis

Positioning accuracy Z-axis

Repeatability X-axis

Repeatability Z-axis



0,03 mm

0,045 mm

0,012 mm

0,02 mm


Drive capacity

Motor rating main drive

Motor rating X-axis

Motor rating Z


11 kW

1,07 kW

1,95 kW

Measures and weights

Overall dimensions




3.200x2.100x2.200 mm

2.700 kg



Siemens Sinumerik 808 D Drehen

  • self-explanatory, yet powerful CNC functions ensure highest precision at the workpiece and short machining times
  • "programGuide Basic" for easy programming via graphical cycle masks, plus a practical contour calculator
  • The Sinumerik 808 D Software package for the PC simplifies handling of the control. It can be used as practical training software to program and simulate workpieces offline. This software is included in the standard equipment and can also be used for presentation purposes.


Standard equipment:

Siemens 808 D control, 6-station turret, tailstock, 2 electronic hand-wheels, 3-step main gear, dead center MT 5, automatic central lubrication, coolant system, work lamp, operating tools, operating manual and programming instructions


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