laser dot to help with project setup?

Questions/answers/discussion about initial setup of your CNC Shark

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laser dot to help with project setup?

Postby NL7U » Sat Nov 11, 2017 3:46 pm

I was told that, instead of using a router bit to set up the x and y axis's, a laser mounted on an appropriate sized shaft (1/4" in my case) would do the job without the danger of the bit accidentally hitting the project's surface and leaving a mark, or scar. The recommended item could be a laser bore sight for a gun. I cannot find anything even remotely comparable. Help?
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Re: laser dot to help with project setup?

Postby Rando » Sun Nov 12, 2017 11:48 am


Just going on your question, it sounds like what we're talking about for-reals is something like this: ... itan-Tools

That will definitely get the accuracy, but I suspect that costs more than our machines ;-).

Two FAR more-practical solutions come to mind:

There are "laser edge finders" that you can insert into the spindle, and use the dot to set your X0Y0.

For example, on amazon: ... dge+finder

It looks like some of those are available in either "dot" or "cross-hairs" configurations.

In some situations, it's also possible to rig one of those laser-crosshair attachments for a drill press to fit onto a spindle and maybe a router motor body.

Here's a link to a post showing how I did that: viewtopic.php?f=4&t=4308&hilit=+laser

Hope that helps.


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