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Roland MDX-540

Heavy-duty CNC milling machine.


The robust construction of this machine ensures both a high accuracy and a high reliability. The three axes are driven by AC Servo motors, combining high speed with ample power.

The MDX-540 allows Rapid Prototyping as well as Rapid Tooling in various light metals !

This illustration does not show the included safety cover.
Roland MDX-40A machine
Roland MDX-540 machine, click for an image with the safety cover shown.

System Overview

The MDX-540 is a heavy-duty three-axis CNC milling machines, equipped with AC Servo motors on the X-, Y- and Z-axis. These provide high feedrates and, more important still, a smooth motion: the machine keeps up speed without slowing down for each next step (only at sharp corners: this is called a look-ahead buffer). The spindle motor maintains a high torque regardless of spindle speed. As a result the MDX-540 can machine many materials like tooling board, engineering plastics and non-ferrous metals. The MDX-540 is a third generation servo machine: it is an improved redesign of the earlier models MDX-500 and MDX-650.

The machine can be driven from the PC by just sending a file to the USB port via the Roland Printer driver. The NC file can be either in Roland format (which can be chosen in most CAM packages) or in G-code (the industry standard format for NC code). The machine comes with the Roland suite of NC programs, including the SRP Player 3D CAM program. All control electronics are integrated.

Construction details

The MDX-540 has a working table with ample threaded holes, on which the material can be easily fixtured. A working table with T-slot grooves is optional. Working-area for the MDX-540 is 500 x 400 x 155 mm (X,Y,Z), with the optional Automatic ToolChanger installed it is 400 x 400 x 155.
The O-shaped frame is made of cast iron, resulting in a very stable machine. The machine will be delivered including a safety cover (not depicted) for both safety and clean operation. As optional extra a rotation axis is available, also called 4th axis or A-axis: a barbecue type CNC controlled rotary unit that rotates your model during machining. Also optional is an Automatic Tool Changer for 4 cutters.

Two models are available of this machine: model 540S features stronger servo motors and high-precision polished ballscrews (for X and Y only), resulting in a better repeat accuracy and smoother machined surfaces.

Price

MDX-540 MDX-540S
Price € 19.400,- € 21.400,-

This price is incl spindle motor, tool length sensor and safety cover (Roland mentions prices without this cover, which will be added anyway).
Prices in Euro currency, excl VAT and outside the Netherlands excl shipment cost.
On-site installation and service are optional, available only in the Netherlands and in Belgium.
The machines are delivered with complete installation instructions, however for this machine we advise to order with installation included..

Specifications

Model: MDX-540 MDX-540S
Type of motor AC Servo, 60 W AC Servo, 80 W
Mechanical resolution 0.001 mm 0.001 mm
Positioning accuracy 0.1 mm / 300 mm (no load) 0.1 mm / 300 mm (no load)
Repeat accuracy 0.05 mm (no load) 0.02 mm (no load)

Table size (X,Y) 550 x 420 mm
Max working area (X,Y,Z) 500 x 400 x 155 mm
External dimensions (X,Y,Z) 745 x 955 x 858 mm
Weight 102 kg
Max Feedrate 125 mm /sec
Power 400 W spindle motor (Brushless DC)
Spindle speed 400 - 12000 rpm
Tool shaft diameter 3 - 10 mm
Interface with computer USB (V 1.1)
Control software SRP Player (MS Windows XP/Vista/7 or newer)


Options

For the MDX-540 two options are available:
  • a rotation axis
  • an Automatic Tool Changer (ATC)

Rotation axis

The rotation axis, mounted on the working table of the MDX-540.

Note that the picture also shows the Automatic Tool Changer (closed), shown behind the tailstock at the right.
Optional rotation axis
Optional Rotation axis unit for the MDX-540.


As the control electronics of the MDX-540 are already suited to drive 4 axes simultaneously, it is easy to mount a 4th axis. The axis can easily be removed too: only to be mounted when needed. So you can order the rotation axis either with the machine or later.
We deliver the rotation axis as complete unit, including:
  • the drive unit (the box on the left of the picture)
  • the tailstock unit (the rotating center point on the right)
  • all cables and connectors needed to mount the rotation axis
  • the fixturing device as shown (a clamp, suited both for rectangular and for round stock).
The rotation axis unit is only suited for machining non-metals.

Price

Price € 4.600,-

Specifications

Max stock diameter 180 (center height 90 mm). In practice the max diameter is lower,
as the machine's working area in Z is 155 mm
Max Feedrate max 20 rev / min
Mechanical resolution 0.002 degrees
Weight ca 6.5 kg


Automatic Tool Changer

The Automatic Tool Changer (ATC) in open position. During operation the unit is completely closed to prevent dust and chips from entering.

The column on the right (with the orange base) is the tool sensor that will measure the length of the cutter.

The ATC can be combined with the rotation axis.
Optional toolchanger
Optional Automatic Tool Changer for the MDX-540.


An Automatic Tool Changer (ATC) is a very convenient option: it will allow unattended operation even when more than one cutter is needed for the project.

This ATC can house up to four cutters, each in a tapered shank. The unit comes with a different spindle motor, that can pick up such tapered shank using compressed air. The other specifications of this motor are identical to the standard motor.
As mentioned above, the ATC reduces the machine's working area in X from 500 to 400 mm.
Note that an external source of compressed air is needed to operate the ATC.

Price

Price € 7.500,-

Specifications

Number of tools 4
Max tool diameter and length 10 mm, resp 110 mm
Weight ca 6.8 kg