New member intro: kellogs

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New member intro: kellogs

Postby kellogs » Thu May 16, 2013 12:22 pm

Dear all,

Firstly I would like to congratulate Barton Dring and the community for this open-source initialive.

My name is Jean-Michel and I am part of French hacker club Electrolab.fr and we are planning to build a buildlog.net 2.0 laser for our own need (not for the lab itself).
We are two members working on the project and I just registered on your forum.

Here is a projects page on our wiki :
http://wiki.electrolab.fr/Projets:Perso ... r/engraver

We are using this page as a supplier thread and a build thread.
We also hope to bring visibility on your project.

My first and only question at the moment:

Is it possible to boost laser power to cut 1mm alumunium?
I guess we should need at least 80W to 160W laser power and a completely different system?
We suppose this is not possible, but if any of you was able to cut aluminium, please let us know!

At least, can we boost laser to more than 40W or would that be dangerous?

Great project, we are happy to join and will start dedicated threads on the forum if we have questions.

Kind regards,
Jean-Michel
kellogs
 
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Re: New member intro: kellogs

Postby kellogs » Thu May 16, 2013 12:59 pm

OK, I am replying myself and was able to read Laser Optics Calculator and research documents.
Thanks!
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Re: New member intro: kellogs

Postby bdring » Thu May 16, 2013 1:13 pm

CO2 lasers are not good at cutting or marking metal. They tend to bounce right off like a mirror. You need several hundred watts and a good assist gas system before you can even cut the thinnest metals.
Bart
"If you didn't build it, you will never own it."
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Re: New member intro: kellogs

Postby TLHarrell » Thu May 16, 2013 3:53 pm

And, with higher power, you need better cooling, better optics, etc. etc. etc. Price goes up exponentially with power increase.
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Re: New member intro: kellogs

Postby kellogs » Tue May 28, 2013 7:41 am

Thanks, we stick to the genuine 40W version.
Three of us are building the laser : two at Electrolab and one in Amiens lab.
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