Hi Adam,
I've tried using the cheap red laser diodes from pointers and have
had very bad luck. Like Leon mentioned, the spot is not a circle
(although you can send it through a hole to clean that up). Also, their
lifetime is extremely short as they are intended for intermittent use as
opposed to the continuous work you'd want. The ones I've seen online
that actually advertise a lifetime are usually around 1000 hours which
may be enough for your application (
http://www.wholesaleforeveryone.com/Merchant2/merchant.mv?Screen=PROD&Product_Code=EXLM595&Category_Code=lasermod&Product_Count=1 ).
Regards,
Larry
On Sun, 2003-06-15 at 00:27, adam Seychell wrote:
> Hi
>
> I've taken some pictures of my new PCB drilling machine, and
> made them available online at
> http://home.alphalink.com.au/~seychell/drill_MkII.html
>
> Hope the pictures don't take too long to load.
>
> The machine has virtually come straight from the workshop
> and I've yet to use it for PCB production. When I start
> using it I'll find all the problems and most probably will
> be making alterations. One feature I'm thinking of adding is
> laser diode pointer for guiding the hole location on the
> PCB. I've never fiddled around with visible laser diodes.
> Does anyone know if those cheapy red laser diode modules be
> any good for this ?
>
> Adam
>
>
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