Re: Can only get a single isolation pass around tracks #eagle #pcbgcode #etch

mlmcnc
 

A vacuum table with a leveled top is indeed a good approach. However, that only ensures that the BOTTOM of the board is level. In my experience, not all FR4 is consistent in thickness. Remember that 1oz copper is only 0.0347mm thick. Autolevelling is the only way to track the top surface. If you do this you could use a smaller depth of cut with correspondingly narrower kerf with your V bit.

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