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Old 07-14-2010, 05:39 PM #1
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Question My first build and I failed please help

hi folks,

im new in the forum. i just got my 18650 445nm kit from jay roberts and i tried to assemble it. i thought everything went fine, although hammering in the diode into the aixiz module was a bit difficult.

now I switched it on and I got that what u can see on the image in the file attachement. what went wrong? if I remove the lense its the same thing just gets bigger.... distance to wall is about 4-5 meters. is the diode screwed maybe? also i cant tell which one is the right lense since he sent me 2 different ones... a shorter one and and a longer one... one of them must be the 405 G or however its called

please help me if u have any ideas... maybe the battery isnt fully charged... just charged it 30mins.


thx in advance! and sry for my english....

greets from germany,
shixxor
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Old 07-14-2010, 06:16 PM #2
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Default Re: My first build and I failed please help

The short plastic lens comes the the AixiZ module. It can be saved for maybe a red build...

The longer lens with the metal nut is the 405-G-1...

I'm not sure why it is not getting focus, but let me ask you about how your diode is pressed in...

Is it pressed in from the back? And is it at least flush with the back of the module? (custom copper module shown, but the principal is the same)



P.S. See this video of how to harvest and press a diode. He is showing a different diode, but you can see how the pressing is done:
http://www.youtube.com/watch?v=byU5vb2BDvw
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Take a look at some of my more popular kits linked in color...

* FS: 405-G-1 Glass Lens Mod for Blu-ray! 31% increase in power vs AixiZ acrylic!

* FS: New! 1000 Lumen XML-2 Maglite Modification With Voltage Monitor! - Parts or Complete Light! Must see!

* FS: Polished Stainless Steel Green Kit! Easy assembly in minutes!

* FS: Large Maglite Monster Kits! Side Button Forward Clicky! Custom Head Option! Gnarly...


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Last edited by jayrob; 07-14-2010 at 06:18 PM.
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Old 07-14-2010, 06:21 PM #3
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Default Re: My first build and I failed please help

like that ... same as in your photo i think


about the video... i did it like he did until 6:25 .... what exactly does he do there???? i dont have such a bench vise
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Old 07-14-2010, 06:33 PM #4
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Default Re: My first build and I failed please help

Couple things...

I think I already warned you about eye protection right?

The back 'barrel' part of the AixiZ module is not used. Just the front 'business end'.

It's better to have the business end inside the heatsink and flush with the face of the heatsink.

And about focus. I'm guessing that you are trying to use the spring with the lens and module??

That would explain the focus problem. The 405-G-1 lens must thread almost all the way into the module. The spring must not be used. (or cut shorter as shown in the documentation that I sent with it)

It's best to just use some Teflon tape and wrap the threads a couple of wraps. If you have 1/4" Teflon tape, it will be perfect...
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Personal lasers:
(just a few - too many to list) RPL 425, Sypder III Krypton, RPL 35 (473), GLP-473, GLP-593.5, HeNe 632.8,
Many DIY 445, red, blu-ray, green, 635, and 450 builds...


Looking for a DIY kit?


Take a look at some of my more popular kits linked in color...

* FS: 405-G-1 Glass Lens Mod for Blu-ray! 31% increase in power vs AixiZ acrylic!

* FS: New! 1000 Lumen XML-2 Maglite Modification With Voltage Monitor! - Parts or Complete Light! Must see!

* FS: Polished Stainless Steel Green Kit! Easy assembly in minutes!

* FS: Large Maglite Monster Kits! Side Button Forward Clicky! Custom Head Option! Gnarly...


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Old 07-14-2010, 06:41 PM #5
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Default Re: My first build and I failed please help

i just managed to get a nice ray! it was just turning the lens a bit out instead of screwing it in until it is fixed.... but still the dot has this "rice grain" shape and not a round dot... also it doesnt burn black paper.... any tips on how to fasten the lens since it turns aroundand moves easily and how to get a perfect dot?
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Old 07-14-2010, 06:52 PM #6
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Default Re: My first build and I failed please help

the "rice" grain is probably your finger print. if the grain stays still while moving just the lens then the window of the laser die is dirty. if the grain rotates then the lens is dirty.

michael
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Old 07-14-2010, 07:11 PM #7
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Default Re: My first build and I failed please help

hmm the shape doesnt move, but what windows are u talking about? ive only the diode then lens and thats it
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Old 07-14-2010, 08:34 PM #8
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Default Re: My first build and I failed please help

Quote:
Originally Posted by shixxor View Post
i just managed to get a nice ray! it was just turning the lens a bit out instead of screwing it in until it is fixed.... but still the dot has this "rice grain" shape and not a round dot... also it doesnt burn black paper.... any tips on how to fasten the lens since it turns aroundand moves easily and how to get a perfect dot?
These 445 diodes do not have a round dot... See lens comparison with pictures of the dot here:
http://laserpointerforums.com/f65/44...ons-51456.html

Use 1/4" Teflon tape to give the lens a nice 'snug' fit. (couple of wraps)
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Personal lasers:
(just a few - too many to list) RPL 425, Sypder III Krypton, RPL 35 (473), GLP-473, GLP-593.5, HeNe 632.8,
Many DIY 445, red, blu-ray, green, 635, and 450 builds...


Looking for a DIY kit?


Take a look at some of my more popular kits linked in color...

* FS: 405-G-1 Glass Lens Mod for Blu-ray! 31% increase in power vs AixiZ acrylic!

* FS: New! 1000 Lumen XML-2 Maglite Modification With Voltage Monitor! - Parts or Complete Light! Must see!

* FS: Polished Stainless Steel Green Kit! Easy assembly in minutes!

* FS: Large Maglite Monster Kits! Side Button Forward Clicky! Custom Head Option! Gnarly...


Click here for a list of my build kits! Projects and tutorials too!

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Old 07-14-2010, 09:48 PM #9
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Default Re: My first build and I failed please help

shud've posted this in the fail thread then
only jk, sure you'll get it working
it does just look like a very defocused dot profile, they're supposed to look something like that.
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Old 07-14-2010, 10:03 PM #10
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Default Re: My first build and I failed please help

kk thx all for the tips
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Old 07-15-2010, 12:00 AM #11
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Default Re: My first build and I failed please help

Quote:
Originally Posted by shixxor View Post
i just managed to get a nice ray! it was just turning the lens a bit out instead of screwing it in until it is fixed.... but still the dot has this "rice grain" shape and not a round dot... also it doesnt burn black paper.... any tips on how to fasten the lens since it turns aroundand moves easily and how to get a perfect dot?

To be honest that doesn't seem like a good sign. Jayrob will have set the output perfectly but what setting did you request? Frankly, even just above threshold I would think these diodes would burn pretty good.

When you said you hammered the diode in, you don't mean you literally used a hammer did you? That would be a very bad way to install any diode.

I hope you get this sorted as they are great kits and when up and running you will be amazed!

M
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