Code reference
M19 Spindle Orientation: Why the Spindle Parks
M19 stops the spindle at a defined angle. Why tool changes, fine boring back-off, and sub-spindle transfers depend on it, and how orient failures present.
Lawrence Arya··10 min
Practice
G-Code for Automatic Tool Changers on Wood Routers
On an ATC router the file just says T2 M6; a macro does the choreography. Here is the sequence, the rack vs carousel difference, and the per-tool Z that matters.
Lawrence Arya··4 min
Code reference
M06 Tool Change in G-Code, Explained for Beginners
M06 executes a tool change while the T word selects the tool. Here is how T6 M06 works, the safe sequence around it, and why G43 always follows.
Lawrence Arya··4 min