It's not XYZ but Theta,Theta,Z machine

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25 Feb 2021 16:35 #200109 by Krish135
I have made this to drill PCB's with 4 sizes of holes without tool changer. It is not a X,Y,Z type of machine.
As you can see it is Theta,Theta,Z machine. With many inputs from so many forums I made it.
I want to add routing, But I am not successful. Will anybody help with the relevant methods.
I used Parallax Propeller, and Processsing software.
Link drive.google.com/file/d/1N-AGcGAkMlzjeub...Psv/view?usp=sharing

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25 Feb 2021 17:12 #200117 by Aciera
That's different!
I'd say you would need to write your own kinematics to map the cartesian XY coordinates to you "Theta,Theta".

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28 Feb 2021 23:09 #200482 by andypugh
Yes, the answer here would lie in kinematics.
An advantage would be that you could then program the G-code in XY space. (I imagine that currently you are pre-computing the angles?)

Whether tool change is part of kinematics is a decision to be made.

The maths will be (slightly) different, but the basics of writing a custom kinematics is here: linuxcnc.org/docs/2.8/html/motion/kinematics.html

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