From the course: G-Code Programming for CNC Foundations

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Understand work coordinate systems

Understand work coordinate systems - G-Code Tutorial

From the course: G-Code Programming for CNC Foundations

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Understand work coordinate systems

- A work coordinate system is a user defined location on a CNC machine table. This position is relative to the machine coordinate system as predefined when the machine turns on. As you can see right over here on the upper right hand corner of my screen I have that position kind of stored out there. Now that's not really a very handy place to start your program from so what we'd like to do is create our own user defined work coordinate system and we have the option of using the G54 through G55 commands. And once we place a piece of material on the table we need to tell the controller where it is and what the value will be in a relationship back to this machine corner system over here. So how far from this position here all the way over to our new work corner system is it? And we're going to store those values in the machine under that G54 or G55 position so the machine knows exactly where that piece of material is. Now, by default, most machines use a G54 through G59 value for these…

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