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Need to project a 4" circle around a bandsaw blade.

mpt

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Looking for a laser to project a 4" circle around a bandsaw blade to warn the saw user their hand is too close to the blade. I can mount @ 22"s or 45"s. Any help would be appreciated.
 

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Have a look here at AixiZ: www.aixiz.net one of their cheap modules that run on 3.2V may be what you need, or any laser with an AixiZ type module and the standard 3 element or single element lens could work, and you can add one of these to it: Circle lens kit for 12x30mm AixiZ modules, AixiZ I haven't tried one of these myself so I don't know but it looks to me like what your looking for. I and many others here buy stuff from them, they are one of our main sources of laser parts.

Alan
 

mpt

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Thanks Pi R, I hope you know anything you said is over my head. I'll look at the sites and try to figure it out.
 

Teej

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Where to mount it so its not in the way for blade changes/use, and still put the circle around the blade....without the blade casting a shadow in the pattern, may be a little tricky.
 

mpt

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Teej, The 2 spots picked are out of the way for blade changes and sample manipulation. We don't need the full 360 deg image because of a plate that's usually on one side. My big concern is getting a 4" circle from the said spots since there's no adjustment of the image size.
 




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