CNC Box-Way Lathes

Numturn CNC 420 • ECO

Powerful CNC Technology for high flexibility and easy handling
Number of tool stations

  • Manually transverse the X and Z axis 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
  • Induction-hardened, ground guide ways
  • Longitudinal and transverse movements via high-quality preloaded ball screws and servo drives
  • Smart central lubrication system for low-maintenance operation

Numturn 420 SI
Workpiece length (max.) 39 in
Turning diameter over bed 17 in
Turning-Ø over support 9 in
Turning length (max.) 36 in
Travel X-axis 9 in
Travel Z-axis 36 in
Spindle speed 60 - 3,000 rpm
Spindle mount A2-6
Spindle bore 2 in
Spindle bore with draw tube 1.9 in
Number of tool stations 8 positions
Positioning accuracy X-axis 0.00024 in
Positioning accuracy Z-axis 0.00031 in
Repeatability X-axis 0.0002 in
Repeatability Z-axis 0.00031 in
Rapid Feed X-axis 157 in/min
Rapid Feed Z-axis 315 in/min
Tailstock taper MT 4
Tailstock quill diameter 2 in
Tailstock quill stroke 4 in
Motor rating main drive 10.1 Hp
Motor rating coolant pump 0.2 Hp
Motor rating X-axis 2 Hp
Motor rating Z-axis 2 Hp
Motor rating X / Z axis 1,5 Hp
Overall dimensions (length x width x height) 112.2x62.2x68.9 in
Weight 6,050 lbs
Part No. 182189
Numturn 420 SI Eco
39 in
17 in
9 in
36 in
9 in
36 in
60 - 3,000 rpm
2 in
1.9 in
1 positions
0.00024 in
0.00031 in
0.0002 in
0.00031 in
157 in/min
315 in/min
MT 4
2 in
4 in
10.1 Hp
0.2 Hp
2 Hp
2 Hp
1,5 Hp
112.2x62.2x68.9 in
6,050 lbs

  • SINUMERIK 808D ADVANCE -- the perfect solution for modern standard machines
  • In combination with a new generation of spindle and axis drives, the SINUMERIK 808D ADVANCE with 8.4" LCD provides an innovative ready-to-use digital CNC solution for modern standard machines
  • This is topped by a guaranteed superior price/performance ratio
  • CNC and drive communicate via a high-speed bus to ensure efficient positioning control plus high precision and optimum cutting performance
  • This globally leading CNC technology provides high performance and power for the control of standard lathes

Advantages - Digital solution provides higher precision:

  • Increased overload capacity supports a faster acceleration and deceleration of machine tools
  • Constant cutting speeds result in an increased surface quality of the workpiece

Increased ruggedness:

  • The SINAMICS features a wide voltage range to prevent machine shut-downs during poor voltage supply conditions. This will significantly reduce machine down-times.
  • During heavy machining operations, an automatic spindle torque adjustment will help protect machining tools and spindle systems.

Increased operator comfort:

  • A fast Ethernet connection facilitates easy start-up and diagnostics of machine tools and simplifies NC program use

  • Siemens 808D Advanced TTL control
  • 2 electronic hand-wheels
  • 3-jaw hand chuck Ø 7.9 inch
  • quick change tool holder WBD 25120
  • automatic central lubrication
  • work lamp
  • operating tools
  • operating manual and programming instructions
  • hydr. tailstock