Knuth Roturn 400 M CNC Slant Bed Lathe ( SKU : 180626)
Knuth Roturn 400 M CNC Slant Bed Lathe ( SKU : 180626)
Highlights
Roturn Series Lathes
This ROTURN M Series machine has all the features of a classic compact CNC production lathe. Modern, rigid inclined-bed design with linear guides on all axes, powered collet chuck and hydraulically moved tailstock quill. Including C-axis, 12-station tool turret, and driven tools for axial and radial drilling and milling A link conveyor for chip removal and a highly efficient coolant system complete the equipment package. The Siemens 828 D Basic control meets all requirements for advanced control technology.
- Powerful main spindle motor
- High-resolution C-axis
- 12-station tool turret with driven tools
- Chip conveyor included
- Siemens 828 control
Knuth Roturn 400 M CNC Slant Bed Lathe ( SKU : 180626)
Highlights
- Future-proof: the Siemens 828 D Basic control meets all requirements for advanced control technology
- A hydraulic 3-B chuck with passage is included in the scope of delivery as standard
- Hinged belt conveyor and high-performance coolant system included in standard equipment
Machine Design
- 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
- Tailstock with hydraulically operated quill
- Automatic central lubrication system ensures reliable lubrication of guideways
Spindle
- Max. Spindle speed 3.000 1/min (Roturn 400M) or 2.000 1/min (Roturn 402M)
- Motor power 11/15 kW
Tool Changer
- The 12-station tool turret driven tools (BMT) ensures a large work area and quick and precise tool changes
- Solid structure and powerful clamping virtually eliminate vibrations resulting in longer tool life
- Powerful main drive and a wide speed range for milling, drilling and thread cutting
- High-resolution C-axis allows for precise contour cutting and precise positioning
Control
Siemens 828 D control
SKU: 911837
SINUMERIK 828 D – The workhorse in the compact class of CNCs
Highlights
- Compact, robust, maintenance-free control panel-based CNC
- Comfortable program and parameter input via QWERTY keyboard
- Maximum machining precision
- Intelligent kinematic transformations for machining of cylindrical parts, and for angled workpiece levels
- SINUMERIK MDynamics with the new Advanced Surface feature: for perfect part surfaces and shortest machining times in mold making applications
- ProgramGUIDE: fastest machining time and maximum flexibility for large series productions
- Unique spectrum of technology cycles - from milling contours with residual material recognition to process measurements
- Animated Elements: unique operation and programming assistance with animated sequences
- Modern data transfer options via USB stick, CF card and network (Ethernet)
CNC hardware
- Control-panel based high-performance CNC Control
- Robust front control panel made of magnesium die-casting
- Integreated full-size QWERTY keyboard
- Maintenance-free design (no buffer battery required)
CNC performance data and functions
- Dynamic feed-forward control
- Linear, circular and helical interpolation
- Tapping without compensating chuck, plus thread cutting
- Toggle between inch and metric units
- FRAME concept for individual coordinate transformations, rotations, scaling and mirroring
- 100 adjustable zero offsets
- Synchronous actions and quick help function output
CNC technology cycles
- Large selection of drilling cycles
- Large selection of milling cycles for standard geometry
- Large selection of position patterns for drilling and milling operations
- High-speed settings for mold making applications
- Geometry calculator for free contour input
- Machining cycle for contour pockets / contour spigots with isolated contours
Graphic features
- Graphical online help system, similar to PC system
- Graphical CNC simulation with level display
CNC tool management
- Display of tool and magazine data on one screen
- Tool management with plain-text tool names
- Loading/unloading feature for easy magazine assignment
- Tool management with tool life monitoring
- 10.4“ TFT color monitor
Technical Details
Working area | |
---|---|
Workpiece length (max.) | 340 mm |
Center height | 200 mm |
Turning diameter over bed | 400 mm |
Turning diameter over support | 250 mm |
Machining length (max.) | 330 mm |
Travels | |
---|---|
Travel X-axis | 150 mm |
Travel Z-axis | 350 mm |
Headstock | |
---|---|
Lathe chuck diameter | 200 mm |
Speed range | 50 1/min - 3000 1/min |
Spindle mount | A2-6 |
Spindle bore | 62 mm |
Spindle bore with draw tube | 47 mm |
Rapid feed | |
---|---|
Rapid feed X-axis | 20000 mm/min |
Rapid feed Z-axis | 25000 mm/min |
Tooling | |
---|---|
Number of tool stations | 12 positions |
Tool shank dimensions | 20 mm x 20 mm |
Boring bar mount Ø | 32 mm |
Speed, driven tools | 3000 1/min |
Tailstock | |
---|---|
Tailstock taper | 5 MT |
Tailstock quill diameter | 88 mm |
Tailstock quill stroke | 85 mm |
Drive capacity | |
---|---|
Main motor rating | 15 / 11 kW |
Motor rating coolant pump | 0,18 kW |
Motor rating, driven tools | 2,3 kW |
Driven tools, continuous load | 2,3 kW |
Measures and weights | |
---|---|
Overall dimensions (length x width x height) | 3,75 m x 1,9 m x 1,92 m |
Weight | 3740 kg |
Standard Equipment
Optional Equipment
Operator Training
Operator training available in showroom subject to quotation
prior to delivery. Email us to outline your needs.
Shipping
Fully inclusive shipping rates covering transportation, import customs documentation, duties
quoted for inclusion at time of order for UK mainland sites. Northern Ireland destinations, Islands
and other remote sites should seek advice prior to order via email. Clients will be responsible for
their own site offload and siting at point of use.
Finance Availability
Looking to finance your equipment?
We have access to a variety of funding sources who will look sympathetically
at requests for funding finance.
These include leading merchant banks such as asset finance specialists Close Brothers and Lombard.
The financial services division of Siemens will consider HP on the investment. Subject to Status.
On an investment of this nature with a long delivery lead time we can also look at providing a staged payment schedule.
We will confirm this with you at time of order.

The certificate holder's Management System corresponds to standard ISO 9001:2015.



