From the course: G-Code Programming for CNC Foundations

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G04: Dwell

G04: Dwell - G-Code Tutorial

From the course: G-Code Programming for CNC Foundations

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G04: Dwell

- The Dwell command allows me to pause a machine for a certain amount of milliseconds, or a certain amount of time. We define a Dwell as a G04 or just a G4 command in the CNC. Now, what that means is we're going to be pausing for a certain amount of milliseconds, and there's basically 1,000 milliseconds in each second. So if you want to call out a one-second pause, you would give it a G04 P1000. So, that's 1,000 milliseconds, which equals one second. If you wanted to pause for five seconds, it would be a P5000. If you have a Hoss machine, they have a special code. You can actually use this 10 point. Notice that little point there. And that means I'm actually calling out ten seconds themselves. So if you don't put the point, it's expecting milliseconds, but if you do add that decimal point, it's expecting ten seconds, followed by the milliseconds right after that. So, that's pretty much how you write out that command. I do want to point out that a G04 is a nonmodal command. That means…

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