DMU 340 P (FD)
The portal series from DECKEL MAHO – more than 1,000 machines installed.
Max. X-axis travel
3400 mm
133.9 in.
Max. Y-axis travel
3400 mm
133.9 in.
Max. Z-axis travel
2000 mm
78.7 in.
Max. workpiece diameter
3900 mm
153.5 in.
Max. workpiece height
1960 mm
77.2 in.
Max. workpiece weight
20000 kg
44092.5 lbs.
Control & software alternatives
SIEMENS
HEIDENHAIN
Highlights
Complete machining
- Milling and turning in one setup with the DirectDrive table with a torque up to 7,523 ft lb
- Best surface quality with technology integration grinding
Precision
- Maximum accuracy through water-cooled feed drive
- Band filter unit with 2,500 l as standard
- Highest long-term accuracy due to cooled linear guideways and active spindle growth control.
Performance
- High dynamics with feed speed up to 1,575 ipm
- Also available in mill- /turn - version
- High feed power up to 11,240 lbf
- Biggest spindle range in the market: powerMASTER motor spindle with up to 737.6 ft lb and torqueMASTER gear spindle with 1,327.6 ft lb
Efficiency
- Lower energy consumption through intelligent needs-based power units.
- Gantry design with vertically moving cross beam with hydraulic weight compensation.
- Fast innovative wheel type magazine with up to 243 tools with minimized footprint.
Highest rigidity and dynamics up to 16.4 ft/s²
- Thermosymmetrical construction
- 3-point support with an inherently stiff machine bed, no foundation required
- High temperature stability standard with positioning accuracy down to 0.38 µin
- Position accuracy down to 0.30 µin with accuracy pack option
- Short and continuous throat depth of milling head (no ram design)
Sample applications
Control & software
L-Measuring probe packet
- Measurement of webs and grooves on components
- Measurement of diameter in difficult to access places
- Available with manual and retractable Calibration unit Package content
- L-Measuring probe according to Customer-specific design
Highlights
Customer Benefits
- Flexible application possibilities
- In process measurement
Left : Semi-automatic Measurement solution. / Right : Automatic measurement solution.
Profile Dressing
- Dressing of a profile on the grinding wheel by means of driven profile rollers (negative)
- Full utilisation of AE sensor and integrated dressing strategies
- High time saving as well as high dressing accuracy due to customised dressing wheel development
Highlights
Customer benefits
- Tool and workpiece protection
- Optimized tool process
- Monitoring of the radial and axial spindle load depending on the actual pull-in force
Left: Parameterised input for the production of profiles; Right: Dialogue-guided contour dressing cycle
Flat Grinding
- Technology integration flat grinding on standard machines for best surface results
- Possibility of straightness compensation by definition of calibration points
- Acoustic emission sensor assisted approaching cycle
- ECS nozzle unit for best possible flushing of the grinding gap optionally available
Highlights
Customer Benefits
Machining strategies
- Easy programming with the integrated input parameters
- Complete machining with one setup
Optional rotating dressing unit incl. dressing cycles
In-Machine Tool Balancing
- Balancing of tools in the machine for high surface requirements and machine protection
- Checking the balancing quality of the spindle
- Balancing quality up to 0.3 g/mm
Highlights
Customer benefits
User Interface
- Better surfaces due to balancing of the entire system in the clamped state
- Balancing of the tool under machining conditions (machining position -vertical / horizontal, with / without internal cooling supply, speed)
- Economical, as no external balancing device is required
Left: Measurement result with balancing outside the machine - 3 [g]; Right: Measurement result after balancing in the machine - 0.3 [g]
angularTOOL
- Highest flexibility in the machining of structural components due to variable alignment of the angle head
- Automatic CAD / CAM programming
- Automatic calculation of the TCP and combination with existing control functions
Highlights
Customer Benefits
- Machining of inaccessible positions on the workpiece.
- Savings in non-productive time due to fewer tool changes
- High cost savings due to the use of fewer tools
Left : Tool driven by KSS during drilling operation / Right : Parameter mask for variable angle setting
Fit in – B-axis Plunging
- Full utilization of the working space during internal machining of high workpieces with long tools
- Positional changes of the B axis during the turning are balanced by the X and Y axes
- The Z-axis remains at the retracted position while the B axis is moving
Highlights
Customer Benefits
Inner and outer travel of the B-axis.
- Easy programming
- Collision-free plunging in the workpiece
- Safely coming out from the workpiece after machining
Interpolation turning 2.0 – turning recessing cycle
- With interpolation turning, the tool cutter follows a circular movement, where the cutter is always oriented towards the center Of the circle.
- Possible for external and internal machining
- Synchronization and tool path controlled by the cycle
- NEW: in version 2.0 complex turning contours are possible (currently only available on the DMU 50, other machine types will follow)
Highlights
Customer benefits
- Easy manufacturing of sealing surfaces where milling operation might not be possible.
- Complete component processing in one clamping possible
- Reduced investment costs for tools
Efficient Production Package
- Solutions for a safe process and for the efficient use of important machining steps
- Applications: cone cleaning, tool data monitoring, safe withdrawal movement, tapping, deep hole drilling, external thread and spigot milling, internal thread and circular milling, reverse countersink cycle
- 12 stored machining strategies for stock removal, deep hole drilling, Pocket milling machines*
Highlights
Customer Benefits
- Runtime optimization according to individual application
- Safe retraction after program break
- Tool data monitoring
Left : Input mask for universal cycle pocket milling. / Right : Input mask for tapping cycle
gearSKIVING 2.0
- Straight and helical external or internal spur gears and splines
- Arrow teeth with tooth offset Turn-mill machines
- Ball-shaped toothing by mathematical transformation of the 6th virtual axis
Highlights
Customer Benefits
- Internal toothing without angular head possible
- Short processing times, 10 x faster than shaping
- Synchronization and tool path controlled by the Cycle
Left : Inside gear profile machining. / Right : Outside gear profile machining.
Excentric turning and milling
- Superposition of the turning movement by additional X- and Y-traverses
- Applicable for turning and milling
Highlights
Customer Benefits
- Eccentric geometries easy to manufacture
- Exact axis coupling and synchronization in the background
Left : Enter the parameters for the position of the external workpiece area. / Right : Graphical representation of the position within the workpiece.
TCC – Tool Control Center
- Chip detection on plan pad and tool cone
- Monitoring of pull-in force
- Cutting edge control in process by symmetry monitoring of the bending moment per cutting edge
- Visualization of the bending moment over time via Graph
Highlights
Customer Benefits
- Tool and workpiece protection
- Optimized tool process
- Monitoring of the radial and axial spindle load depending on the actual pull-in force
Left: NEW; Middle: Wear; Right: Cutting edge break
Grinding
Turning
- Turning, milling and grinding in one clamping
- Grinding cycles for internal, external and face grinding as well as dressing cyclesn
- Body-borne sound sensors for start-up and dressing
- Full integration of measurement module for relative and absolute LIVE-Measuring – parallel to main time
Milling
- Better surface quality through integration of the grinding technology
- Grinding cycles for internal, external and face grinding as well as dressing cycles
- Body-borne sound sensors for start-up and dressingn
- 1,300 l Cooling system with integrated centrifugal filter for The filtration of particles > 10 μ
- AKZ nozzle unit optionally available for best possible Flushing of the grinding gap
Highlights
Turning Customer Benefits
- Expansion of the technological limits of the CTX TC
- Surface accuracy < 0.4 μm
- Roundness < 5 μm
- Quality IT5 for ø > 30 mm
Left : External, internal and circular grinding. Grinding with straight / angle or cup disc. / Right : Dressing straight, angled or cup discs simply visualized.
Milling Customer Benefits
- Surface accuracy < 0.4 μ
- Roundness < 5 μ
- Quality 5 for ø < 120 mm
- Quality 4 for ø > 120 mm
Left: Spiral plane grinding or osscillating plane grinding. / Right: Longitudinal grinding.
Tilted Measuring Cycle
- Measuring with tilted tool axis
- Dialog-guided programming of the measuring cycles
- Positioning of the measuring points with rotary axis
Highlights
Customer Benefits
- Increase in component accuracy
- Reduction of set-up time
- Collision-free measuring thanks to tilted tool axis possible
- Further processing of the measurement results
Left : 1. circumferential measurement, 2. alignment surface, 3. alignment hole / Right : Dialog-guided programming
Maintenance Package i4.0
- Automatic recognition of tool pull-in force for consistently high process stability.
- Predefined cycle for automatic lubrication, every 75h or after 20,000 tool changes.
- Detection of leakage and measuring of usage of pneumatics system.
Highlights
Customer Benefits
- Efficient and timesaving lubrication without operator intervention
- High transparency by displaying the lubrication cycles and the current pull-in force.
- Data recording in combination with the optionally available Condition Analyzer for additional analyzes of air consumption and changes of the pull-in force
Detection of leakage and measuring of usage of pneumatics system.
Simple query of the monitoring parameters and the current pull-in force.
VCS Complete
- Geometric fingerprint of the machine Volumetric calibration at the touch of a button
- Detection and compensation of geometrical, positioning and angular errors of all axes
- Easy handling and implementation by the customer directly at the machine
Highlights
Customer Benefits
- Regular compensation of the machine geometry over the entire life cycle of the machine
- Dialogue-led operation for easy and fast handling
- Data recording for further analysis
Possible accuracy deviation without VCS-Complete.
Alternating speed
- Easy to operate through three parameters and without additional sensors
- Avoiding vibrations by means adaptation of the speed
- Application for the main spindle and counter spindle, or for milling machines with FD tables with Direct Drive
Highlights
Customer Benefits
Input of parameters for speed set-point, differential speed and revolution frequency
- No manual intervention by the operator
- Identical repeatability for all components
- Increased process safety for special applications by avoiding vibrations. example, When using long thin drills or for milling parts with critical clamping
MPC 2.0 – Machine Protection Control
- Vibration monitoring in the process
- Rapid shutdown in case of a crash
- Manual retraction even in swiveled machining plane
- NEW: Torque monitoring
- New: Recommended with Protection Package for CTX TC machines
Highlights
Customer Benefits
MPC Graph: aktuelle und angelernte Prozesswerte. / MPC Diagnostics: Lagerzustand, Anzahl von Stoß und Crash.
- Avoiding tool breakage
- Increase in machine availability
- Damage reduction
3D quickSET
Turning
- Measurement and correction of the position of turning and Pivot axes (C4, C3, B)
- Sag compensation possible
- Can be used in combination with standard probes from customers (recommended Renishaw, Blum)
Milling
- Toolkit for checking and correcting the kinematic accuracy of 4- and 5-axis machine configuration
- All head variations and table axes
Highlights
Turning Customer Benefits
- Reliable re-calibration of the machine before a highly precise processing
- Continuous documentation of machine accuracy
- No rejected parts due to unknown Geometric-deviations
Dialogue-guided measurement of the B- and C-axis.
Milling Customer Benefits
- Periodic recalibration of the machine with comprehensive documentation
- Highest kinematic accuracy in self-regulation
Define kinematics head
Application Tuning Cycle
- Process-oriented adjustment of the feed rate n relation to the table loading
- Minimization of machining time with maximization of the component quality
- NEW: Now also available for CTX TC. Ideal machining result with the highest machine dynamics*
*without consideration of feed weight
Highlights
Customer Benefits
- User friendly setting of the machine dynamics with included DMG MORI knowhow
- Time saving in roughing
- High surface finish during finishing
Left : ATC 2.0 – Milling: Consideration of table loading. / Right : ATC – Turning: for CTX TC for easy adjustment of the machine dynamics.
Multitool
- Efficient use of multi-tip turning tools with more than one cutting edge on turn & mill
- Several "sister tools" on one main tool holder
Highlights
Customer Benefits
- Reduction of tool change times
- Saves tool magazine space
DMG MORI gearMILL
- Productive complete processing
- Cost-effective gear cutting on standard machine with standard tools
- Flexible for different gear geometries
- Quality inspection in the process
Highlights
Customer Benefits
- Program creation based on blank drawings and gear data
- Optimization of workpiece orientation e.g. after heat treatment
- Interface for coordinate measuring device (Klingenberg, Leitz, Zeiss)
Left : Input of the gear parameters for the geometry calculation of a spur gear. / Right : Grafische Betrachtung des Abwälzverfahrens.
Service & training
Downloads & Technical Data
Workpiece
Max. workpiece diameter
3900 mm
153.5 in.
Max. workpiece height
1960 mm
77.2 in.
Max. workpiece weight
20000 kg
44092.5 lbs.
Max. workpiece weight (Type FD)
7000 kg
15432.4 lbs.
Clearance
Max. X-axis travel
3400 mm
133.9 in.
Max. Y-axis travel
3400 mm
133.9 in.
Max. Z-axis travel
2000 mm
78.7 in.