Roturn 400 C

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Spec Sheet

Working Area
Workpiece length (max.)17 in
Center height8 in
Turning diameter over bed16 in
Turning diameter over support10 in
Travel X-axis7.9 in
Travel Z-axis18 in
Lathe chuck diameter8 in
Speed range50 - 3,000 rpm
Spindle mountA2-6
Spindle bore2 in
Spindle bore with draw tube1.8 in
Rapid Feed
Rapid Feed X-axis629.92 in/min
Rapid Feed Z-axis787.4 in/min
Tool Head
Number of tool stations8 positions
Tool shank dimensions1x1 in
Boring bar mount diameter1.6 in
Tailstock taperMT 5
Tailstock quill diameter3 in
Tailstock quill stroke3 in
Drive Capacity
Main motor rating20 / 15 Hp
Motor rating coolant pump0.2 Hp
Measures and Weights
Overall dimensions (length x width x height)150x74x76 in
Weight7,348 lbs

Part No. 180633

  • Heavy machine frame with inclined bed ensuring high rigidity and easy chip removal
  • Precise linear guides in X and Z for high stability and accuracy even at highest loads
  • The enclosed work space is easily accessible through a large sliding door
  • Future-proof: the Siemens 828 D Basic control meets all requirements for advanced control technology
  • The 8-station tool turret ensures a large work area and quick and precise tool changes
  • A powerful 20 HP headstock motor delivers high torque across the entire speed range
  • Hydraulic 8 in 3-jaw chuck with through-hole
  • Tailstock with hydraulically operated quill with a maximum stroke of 3 in
  • Automatic central lubrication system ensures reliable lubrication of guideways
  • Hinged belt conveyor and high-performance coolant system included in standard equipment

Proven record:

  • Easy, dialog-guided user interface
  • Complete bandwidth of technology cycles
  • High performance and precision

  • Compact, rugged and maintenance-free operator-panel CNC with dedicated system software for turning, milling and grinding technologies
  • High-quality, rugged, magnesium die-cast operator panels with degree of protection IP65
  • Maintenance-free operator panel front, e.g. no fan, battery or hard disk
  • Highest machining precision with 80-bit NANOFPaccuracy
  • New user interface SINUMERIK Operate Ð same look and feel as SINUMERIK 840D sl
  • ShopTurn/ShopMill (option): Very fast programming time in the production of individual parts and small batches
  • Advanced Surface: Innovative, high-performance CNC functions provide top quality of workpiece surface with minimum machining times
  • Technology package SINUMERIK MDynamics with the new function Advanced Surface: Perfect workpiece surfaces and very fast machining times in molded part production
  • programGUIDE: fastest machining time and maximum flexibility for large series productions
  • Unique spectrum of technology cycles Ð ranging from the machining of any turning and milling contour with residual material detection to in-process measurements
  • G-Tech is a grinding package with an extensive scope of CNC functions ranging from the low-cost entry-level model up to highly productive machines
  • Animated Elements: Unique operating and programming support with moving picture sequences
  • modern data transfer options via USB stick, CF card and network (Ethernet)
  • SINUMERIK Integrate for production Access MyMachine /Ethernet permits remote diagnostics from anywhere in the world
  • Easy Message: Integrated mobile radio modem for optimum process monitoring and maximum machine availability via text messages (SMS)
  • Easy Extend: Flexible handling of machine units, e.g. an A axis/parts machine
  • Maintenance scheduler: Signaling of pending maintenance tasks in accordance with specified maintenance intervals


  • Operator panel variants for horizontal or vertical operator panel housings
  • Proximity/clearance sensor for smart display control
  • Integrated QWERTY full CNC keyboard with short-stroke keys
  • Additional Ethernet interface at the rear of the CNC for connection to factory network
  • Additional USB interface at the rear of the CNC for machine control panel
  • Integrated PLC based on the SIMATIC S7-200 command set with ladder logic programming
  • I/O interface based on PROFINET for the connection of PLC I/O devices and a machine control panel
  • Up to 5 axes/spindles
  • 1 analog spindle
  • 1 machining channel/mode group
  • Integrated tool management with tool life monitoring
  • Configurable user screens with SINUMERIK Integrate for engineering Run MyScreens (Easy Screen)
  • SINUMERIK Integrate for engineering Run MyRobot /EasyConnect for simple interfacing of robots and handling systems
  • Integrated data archiving procedure for simple data updates

  • Siemens 828 D Basic control
  • Hydraulic 3-jaw lathe chuck, ¯ 8 inch with bore
  • hydr. tailstock
  • automatic central lubrication
  • Chain-type chip conveyor
  • Heat exchanger for electric control cabinet
  • enclosed work space
  • LED work lamp
  • coolant system
  • compressed air gun
  • coolant gun
  • operating tools
  • operator manual

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