They require an in-shop class on the machine and software before they let you use it, so converting a cab file would be good class work. So the files that are on the site are just tool paths then?
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The CRV files contain the vectors and the object groupings. The tool paths have been removed.
I struggled over the tool path issue for a long time.....before deciding to remove them. For the most part, they are not that difficult to get added for a CNCer with some experience. The concern is that the tool paths are machine specific.
Based on how the table is configured, the x and y axis could be switched, wrong tool cutter selected, or the cut depths incorrect. For example, my table uses a spoil board and when I cut material and I cut at a depth of .82" and into the spoil board. If I had a nice ShopBot with a vacuum table, I would be cutting at a depth of .74" to save the vacuum table. My tool paths would destroy the vacuum table.
My table is 7hp, others may be 10hp or 2.2hp. Wrong feeds and speeds can break the bits or maybe the machine.
Like I said, once you get close to being ready to cut, I can help you through the details.
Thanks
Brian