Convert X axis to A axis?

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20 Aug 2016 23:24 #79189 by chucktilbury
Replied by chucktilbury on topic Convert X axis to A axis?

If you are able to always set things up so that the centre of rotation is Z=0 it is possible to create a config that converts Y (in G-code) to A (on the machine). That means you can engrave XY patterns on any solid of revolution.

But, the point is that it will always be XY G-code unless you get a 4-axis CAM system.

For simple cylindrical work, you could create a system where the working radius is set in a GladeVCP or PyVCP control on the screen, and a simple scaling in HAL converts Y positions to A-angles.

For more complex solids of revolution you probably need to consider doing the "magic" in the kinematics.


Thanks. Ya, it sounds like I will be just changing configs when I need to switch from flat to round.

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