[MajorTendonitis]

I feel embarrassed to ask this , but as a CNC noob I have never understood if you program software like Mach3 to compensate for different sizes of CNC router tables .
I typically see router tables with sizes like 4'/4' , or 4'/8' .

I realize of course there's limit switches , but let's say you build the table so that there's 4' of X axis travel , and there's 5' of Y axis travel .
Seeing as you've got an odd number of feet on the Y axis , does the software allow you to use all the travel , is there any limitations on which combinations of sizes you can build ?
Say at a later date you wanted to add 6 more feet of extrusion ,gear rack, cables and parts etc to make the Y axis of the gantry travel 11' .
Would that just be a setting in the software to make it understand that there's 11' of Y axis available?

[pippin88]

You just set the size in software. It doesn't care. You could have a table 11000mm by 75.6mm if you wanted.

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[ger21]

You really don't even need to tell the software what size the machine is, unless you want to prevent it from crashing into it's stops.
The g-code dictates where the part is located, and where the machine needs to move to cut it.