Spindle speed then and now?

When I first started with Carbide Motion it always said to run at #3 18,000 RPM, now it states to set it at #5 24,000 RPM.


That’s comes from the speed assigned to the bit in the tool database. Are you using CC? If so, post a small file that shows what you are seeing.

Which version are you using?

Please update to the current beta version:


That router speed has been a “bug” in the last couple of CM versions. C3D is aware of the problem.

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