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Al,

No documentation of sufficient detail. As I said, it is like pulling teeth from ... CNC Routers | Industrial CNC Routers | Afforadable CNC Routers | Intergrated CNC Routers | Router Systems
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"Is this a VFD spindle?

Yes, it is a Variable Frequency inverter driving the spindle. I'll have to get the make and model and will post it in the related post early next week.

reference ...

I anyone using an Industrial CNC machine who has modified it to allow Mach3 to control the spindle speed?

What wiring changes did you make?
What Mach3 changes did you make.

Thanks

JA

I am using MeshCAM. I could change the setup template for Mach3 and add the G4 statement there.
I would prefer to do that because I can more easily document (for others) what I did - right in the...

The spindle takes as much as 10 seconds to come up to speed.

Does anyone know the Gcode needed to make the machine wait for 10 or more seconds to givw the spindle time to reach the target RPM?
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