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This document describes the setup of the machine, some of its dimensional limits, use of the Roland SRP Player software (for generating toolpaths from STL files), and some aspects of the process whereby an .RML file from MasterCAM is used.

 

Harvard GSD Guide to Roland MDX-40-A.pdf

Edit the NC File

The .RML file that is generated by MasterCAM needs to be edited before it can be run on the Roland. Do this within MasterCAM's code editor or a text editor of your choosing.

  • Remove:
    • the first line of the file: "!1" 
    • the last line of the file: "!0"
  • Add:
    • the command to start the spindle at the beginning of the file: "!MC 12000" (Note: the speed of the spindle will still be controlled with the VPanel, not the RML file or any settings established in MasterCAM.)
    • the command to stop the spindle at the end of the file: "!MC 0"
  • Save the file with an extension of .RML (some text editors will save it with a .NC or a .TXT, which might have to be removed)

Alternatively, replace the ROLAND MDX40 3 AXIS MILL INCH.PST file that is saved to C:\Users\Public\Documents\shared mcamx7\mill\Posts with the one that can be found on goliath: Z:\Software\Mastercam\Folder_Migrate_MCX_X7\put_contents_in_shared Mcamx7-mill-Posts

 

Template File

 

Below is an empty MasterCAM template file with a few toolpaths included within it (Rough Parallel, a few Finish Parallel options, and a 2D Contour toolpath). The settings assume that 2" foam material is being used, so changes would be necessary for other material characteristics. Only one tool is defined

ROLAND_TEMPLATE.MCX-7