Laser Crosshairs

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Andrew Mawson - 26 Dec 2006 11:08 GMT

In the following YouTube video he seems to be using some form of
led/laser cross hairs as a setting up aid on his CNC mill.

http://www.youtube.com/watch?v=Ifhmh6-fMKw

Anyone come across these things - they look to be a useful aid but its
not clear from the fuzzy video how or even where they are set up.

AWEM

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Tony Jeffree - 26 Dec 2006 11:27 GMT

>In the following YouTube video he seems to be using some form of
>led/laser cross hairs as a setting up aid on his CNC mill.
[quoted text clipped - 3 lines]
>Anyone come across these things - they look to be a useful aid but its
>not clear from the fuzzy video how or even where they are set up.

From the wodth of the beam, it doesn't look like they will be terribly
useful for anything more than crude positioning.

Regards,
Tony

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Andrew Mawson - 26 Dec 2006 12:10 GMT

> >In the following YouTube video he seems to be using some form of
> >led/laser cross hairs as a setting up aid on his CNC mill.
[quoted text clipped - 9 lines]
> Regards,
> Tony

I took it that the wide line was the blurr of the picute - at times it
seems quite sharp

AWEM

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Tony Jeffree - 26 Dec 2006 13:26 GMT

>I took it that the wide line was the blurr of the picute - at times it
>seems quite sharp

I'm not convinced. The edges of the workpiece seem not to be blurred
to anything like the same extent.

Regards,
Tony

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Mark Rand - 26 Dec 2006 15:46 GMT

>>I took it that the wide line was the blurr of the picute - at times it
>>seems quite sharp
[quoted text clipped - 4 lines]
>Regards,
>Tony

Being charitable, there may be cylindrical lenses that are focusing the beam
to a line at or below the level of the cutter.

Mark Rand
RTFM

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Andrew Mawson - 26 Dec 2006 18:27 GMT

> >>I took it that the wide line was the blurr of the picute - at times it
> >>seems quite sharp
[quoted text clipped - 10 lines]
> Mark Rand
> RTFM

Googling produces this rather nice toy:

http://www.lasertoolsco.com/l600-laser-crosshair.html

Shame Christmas is over and presents allocated !

AWEM

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Mark Rand - 26 Dec 2006 19:40 GMT

>> On Tue, 26 Dec 2006 13:26:06 +0000, Tony Jeffree
><tony@jeffree.co.uk> wrote:
[quoted text clipped - 24 lines]
>
>AWEM

Hmm, they are claiming 10mW laser diodes. That is class IIIB. Glasses required
in use, a keyswitch to prevent accidental/unauthorized operation and a bloody
great sign needed. That would tend to limit its usefulness in the workplace

:-|

Mark Rand
RTFM

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Model Forum / General / Models / December 2006

Laser Crosshairs