Let’s break down “G00G58X-120.Y-5.” You know the “G00” means a rapid move. The geometry is conveyed with coordinates on axes, so an “ X” coordinate and a “ Y” coordinate on a plane. These codes, such as G00, are followed by a geometric location. G02/G03: Clockwise/counterclockwise feed move.G00: Rapid move to specific coordinate position.It moves the tool to part geometry at the maximum rate and is generally used to move the tool and part from near to far or vice versa. For instance, “G00” is a command for rapid movement. And, even with complex CNC machining, G-code is written in a straightforward, logical way.Ī “ G” is followed by a number, which is a command to change geometry. Simply put, G-code is a software programming language used to control a CNC machine. If you’re interested in the programming process, read this article.Īs a CNC machine runs, the code is displayed on the operator’s monitor and is seen scrolling along, being read and acted upon by the machine. The programmed codes, along with the right tooling in a CNC machine center, allow for correct and repeatable part manufacturing. So, what is G-code? What is M-code? And how do G-code and M-code programming actually work? This article explains each one, but first let’s touch on what programming actually is.Ī program is a sequence of codes and data that tells the CNC machine what to do. Yet, that doesn’t just happen it requires the right coded programmed instruction.

As its name clearly states, CNC (computer numerical control) is automated control of machining tools using a computer.

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