Got the lube parts from Lubetec, very fast delivery.

Started sketching out my control circuits, change-over from main spindle to bolt-on aux spindle will be done via the respective Mach3 profiles.

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Luckily the CSMIO has two 0-10v outputs and stacks of digital I/O so i can connect both VFD's up and use mach to decide which motor to start or which limits to look at.