For Bluehands (Hi Mike!) or anyone just getting into G-Code to save them a lot of Copy & Pasting. An example using M98/99 and G91 for repetitive grooves in a Poly-V belt pulley. Computer reads the G - Code file line by line and commands the machine to do the movements. The language consists of a set of codes called G - Codes and M - Codes, each instruction have a specific function, for example to command a motion from one point to another. The following is an example of a G - Code program:; Example program.
Hi, I am writing some new software for my CNC router and am adding a G-code command interpreter. Previously I have mainly worked in 2D or 2.5D using mainly flat cuts of 2D shapes and layers etc. I also have a 2D to 2D morphing system for doing tapered shapes etc.
Now my goal is to be able to run 3D G-code and cut more complex shapes and to reduce my time as it will be more automated, so I won't have to keep loading new layers etc to do an entire complex job. A lot of my work will remain 2D routing, but it will be nice to add tapered pocket features and some variable height profiling etc all in the one job file. Currently I have implemented a couple of setup commands, then just G0 for 3D traverses and G1 for 3D cutting, but no arc commands or tool offset commands. And hopefully these will not be needed anyway. Can anyone please suggest the minimum G-code commands that will allow me to use G-code from other people, and to also allow my software to export G-code that should be usable by others? Also, I am after some simple G-code examples for testing purposes, preferably with no arc or tool offsets or anything complex and not too large (say under 1000 lines?). Thank you very much for any help you can provide.
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