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M o d e l a   M D X - 4 0 R
F e a t u r e s
The new MDX-40R machine is aimed at Rapid Prototyping of small consumer goods. The machine perfectly fits between the small MDX
15/20 for jewelry, and the large MDX 500/650 for metal milling. The 305 x305 mm working area and 15.000 rpm spindle are built in a
compact and good looking housing.
Above that all a rotation axis is present that makes it possible to machine small models from all sides.
SYSTEM OVERVIEW
SPECIFICATIONS
M i l l i n g   M a c h i n e s  
                                MODEL
                                                       MDX-40R
Max working area (X,Y,Z in mm)
305 x 305 x 105
Table size (X,Y in mm)
305 x 305
Max weight on table
4.0 kg
External dimensions (X,Y,X mm)
669 x 760 x 554
Weight, kg
66
Tool shaft diameter
Standard: None.
Optional: Set of 4 collet chucks of 3, 4, 5 mm, and 6 mm diameter.
Max Feedrate
50 mm /sec
Accuracy
0.01 mm (mechanical resolution 0.002 mm)
Spindle motor:
100 W. brushless DC motor, with separate spindle bearings.
Rotation speed
4500 - 15000 rpm
Control software
Modela Player (MS Windows 95/98/NT/XP)
Interface with computer
USB
Type of axis-motors
Stepper
Computer requirements
Pentium PC running Windows (NT4/2000/XP or newer).
Power requirements
220 V, 50/60 Hz
Design bureaus that are looking for in-house Rapid Prototyping will certainly be happy with this machine: the attractive design and fully
enclosed housing make office use possible. All control electronics are integrated. The machine can handle tooling board (chemical
wood), which is the most used material for prototypes. In addition Concept Modelling using foam, and Jewelry creation using wax are
possible too. The machine is too light for working in metals.

Its operation is by far the easiest of all available machines: it can be driven from the PC by just sending a file to the USB port, no extra
software is needed. As the home position is fixed, no controls the machine are needed either. The NC file needs to be in Roland format,
which can be chosen in most CAM packages. To directly drive the machine from any graphics application (2D engraving only) a
Windows driver is included.

Differences with the very light MDX 15/20 and with the heavy-duty MDX 500/600 will be clear. Differences with the CPM series are that
this machine is more accurate, and has a better quality spindle motor (no carbon brushes, much less noise) and spindle bearings. the
other hand the system is less powerful than a CPM machine (lighter spindle motor and axis motors). The axes are driven by geared
belts, compared to ball screws in the CPM.
The three axes move over steel bearings and are driven by stepper motors via geared belts (plastic). This limits the power of the
machine, so tooling board has to be cut carefully, and cutting acrylic (perspex) is not possible. The spindle motor (100 W, max 15000
rpm) is a professional brush less motor, connected to the spindle by a belt. This separate spindle unit has made it possible to use high
quality bearings, for long-life use even with drilling operations.

The machining table of the MDX-40 is a flat plastic block: the blocks to be machined have to be fixtures using double sided tape, if
needed using positioning pins. A sensor for setting the Z=0 position is standard included.
CONSTRUCTION DETAILS
Modela MDX-40R
Desktop machine for Rapid Prototyping in a design
environment
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