Old 12-18-2010, 06:10 AM #1
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Default 4000 watt laser !!

I have a couple of friends that have a 4000 watt laser cutter and they just replaced the tube with a new unit.
when they were installing it they gave it a full power burst for 5 seconds into the shop wall, WOW!!!!!!! metal wall went red hot and burnt up then it hit the insulation and melted that.

the cutter will cut 1 inch steel at about 10 feet a minute.

if you guys would like to see this thing in action I can shoot some video and post it.

I am hoping to get my hands on the old tube and take it out of the metal box and hang it on my wall.


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Old 12-18-2010, 06:14 AM #2
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Default Re: 4000 watt laser !!

If it's designed like I think it is, the resonator is that metal container. I saw a Trumpf cutter built and they mounted mirrors at the end of a large metal tube and pressurized it.
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Old 12-18-2010, 06:15 AM #3
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Default Re: 4000 watt laser !!

Gyosh I love lasers.

Soooo cool.

Post a video if you can!
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Old 12-18-2010, 03:39 PM #4
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Default Re: 4000 watt laser !!

Why are the "professionals" pointing a 4KW beam at the wall?
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Old 12-18-2010, 04:37 PM #5
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Default Re: 4000 watt laser !!

Because they can!
Purely for teh lolz.
Wouldn't you? Come on...

I agree it is very irresponsible though.
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Old 12-18-2010, 06:50 PM #6
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Default Re: 4000 watt laser !!

love to see the video
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Old 12-18-2010, 09:14 PM #7
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Default Re: 4000 watt laser !!

I would think just pointing your face at the dot of 4000w could blind you through your eyelids.
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Old 12-19-2010, 02:32 AM #8
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Default Re: 4000 watt laser !!

It would be a crime to not post a video of this!
Please post!
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Old 12-19-2010, 05:33 AM #9
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Default Re: 4000 watt laser !!

I did not have a camera that day , I will shoot a video of the machine and it cutting.
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Old 12-19-2010, 06:48 AM #10
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Default Re: 4000 watt laser !!

Quote:
Originally Posted by landerfha View Post
I would think just pointing your face at the dot of 4000w could blind you through your eyelids.
Not really, what he is talking about is a CO2 laser. They run at a very very deep IR wavelength and almost everything is opaque to that wavelength. The laser would burn through your eyelid, through your cornea, through all the juices before any damage was done unlike a visible wavelength laser that just passes straight through the cornea to your retina.

Still probably not a good idea to point it directly at the wall like that, but it won't blind you through your eyelids from looking at the dot.

I've never seen a 4000W CO2 tube, there's usually some sort of resonator involved with powers like that. What were the dimensions of the tube that was replaced?
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Old 12-19-2010, 04:03 PM #11
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Default Re: 4000 watt laser !!

^All lasers have a resonator. It's just another word for the part that amplifies. From what I've seen, they're generally more of a large metal cylinder than any chinese tube you've seen before.
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Old 12-20-2010, 12:13 PM #12
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Default Re: 4000 watt laser !!

you shouldnt even ask!
Of course post pics and video!
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