Does anybody make a laser drill bit you can mount in the router for precise positioning (not laser cutting) ?
CNC Laser Crosshair Alignment Tool
CNC Router Zeroing Laser
CNC Spindle Laser Guide
Folks have discussed using bore sights intended for us in firearms for this.
https://www.wwgoa.com/video/cnc-setup-tip-use-laser-boresight-centering/
Not a direct answer to your question, but… I think a laser is so bright that it’s hard to pinpoint the exact center.
Instead, I use a vee bit to pinpoint XYZ zero. The tricky part is Z, and that’s relatively easy with a piece of paper. Slide the paper while lowering the bit by the smallest increment until it just barely stops the paper from sliding.
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Ok thanks, and how do you avoid that the baseplate is slightly misaligned/skeved (if you have to use the whole baseplate or reverse it) ? My initial idea was to use two fixpoints, when mounting the baseplate.
I usually machine a “lip” into the baseplate, then register against that, using parallels if need be.
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