Old 02-05-2017, 05:53 AM #1
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Default NUBM44 Handheld Build - Stainless steel

Wow okay so this turned out a lot better than I was expecting. I had originally traded a member for a NUBM44 project box build, and long story short I used the module from this build:


Image taken by Crazlaser, who traded the build with me

This is basically a win-win because I can use the rest of the box build as a test setup for other modules and the 44 modules for the handheld.

What happened for the most part was I was actually just screwing around with a bit of stainless tubing I found in the shop, and had an idea to put a 532nm module in it. After turning the notches in the front of the body I noticed that the inner diameter might be able to house the 20mm nubm44 module from the box build.

Turns out it was actually ~18.5mm, though I bored out the front section to a little under 20mm and press fit it into the tube with a contact board. After testing that I went ahead and made a tailcap for it, and at this point was when I thought to put the BE on it. The BE adapter stuck out a little which looked a bit weird so I made a "filler" ring out of copper which also acted as a focus ring for the main lens and filled the gap between the expander and the body. This worked out flawlessly.

Turns out that the best projects really are unplanned ones.

The only thing that really isn't good about this build is the duty cycle, it'll comfortably go to a minute but nothing past a minute and a half. Not only is stainless not the best heat conductor but the walls of the tubing ended up being pretty thin.

Here's some final shots, I didn't take many shots of the machining process because I had no idea it would be such a build.






Thanks for reading!
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Old 02-05-2017, 06:08 AM #2
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Default Re: NUBM44 Handheld Build - Stainless steel

That looks stunning EletricPlasma !
Nicely matched to the Sanwu 3x BE.

+rep for you.

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Old 02-05-2017, 11:49 AM #3
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Default Re: NUBM44 Handheld Build - Stainless steel

Oh yeah, very nice results EP, she's a beauty!
That 3X BE looks as if it's made for this host.
+rep
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Old 02-05-2017, 12:19 PM #4
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Default Re: NUBM44 Handheld Build - Stainless steel

Wow! "Flawless" is the right word. Really like the copper ring, gives the build just enough color. Nice, very!
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Old 02-05-2017, 01:57 PM #5
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Default Re: NUBM44 Handheld Build - Stainless steel

Beautifully done--nice work----looks great!
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Old 02-05-2017, 02:06 PM #6
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Default Re: NUBM44 Handheld Build - Stainless steel

Damn that's NICE! pm incoming.
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Old 02-06-2017, 01:26 AM #7
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Default Re: NUBM44 Handheld Build - Stainless steel

Thanks everyone, and for the reps too! It's been far too long since I built a handheld host for myself so I thought I'd go for the opportunity and make something nice
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Old 02-06-2017, 02:27 AM #8
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Default Re: NUBM44 Handheld Build - Stainless steel

Wow Electricplasma! That's awesome. The beam expander is a super nice touch to that diode and the host is really clean looking. I'm glad you're able to use the box as a test box, that's a great idea, I never even thought of that. +10
How long did it take to make the host? Also what batteries does the host fit, and what's burning range like the with BE?

btw, the 3 watt is still going good, was just using it tonight!
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Old 02-06-2017, 03:26 AM #9
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Default Re: NUBM44 Handheld Build - Stainless steel

Quote:
Originally Posted by Crazlaser View Post
Wow Electricplasma! That's awesome. The beam expander is a super nice touch to that diode and the host is really clean looking. I'm glad you're able to use the box as a test box, that's a great idea, I never even thought of that. +10
How long did it take to make the host? Also what batteries does the host fit, and what's burning range like the with BE?

btw, the 3 watt is still going good, was just using it tonight!
Thanks! I'm even adapting the XYZ mount to work with 12mm modules as well and using a set screw + alligator clips for quickly swapping. I thought it suited well as a test setup.

The host was more of a side project than anything so I didn't dedicate time specifically to it, but I worked on it over the span of about a week. Great to hear the Silver Series is still holding up!!
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Old 02-12-2017, 12:37 PM #10
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Default Re: NUBM44 Handheld Build - Stainless steel

That is one great looking host, I really like the intergraded 3xBE, Seeing your host makes me wish I still had a machine shop at my disposal 24/7 like I use to have.......
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Old 04-19-2017, 08:25 PM #11
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Default Re: NUBM44 Handheld Build - Stainless steel

How centered in the beam expander is your beam and with the highly divergent fast axis is there any clipping of it going into the BE ?
Quote:
Originally Posted by ElectricPlasma View Post
Wow okay so this turned out a lot better than I was expecting. I had originally traded a member for a NUBM44 project box build, and long story short I used the module from this build:


Image taken by Crazlaser, who traded the build with me

This is basically a win-win because I can use the rest of the box build as a test setup for other modules and the 44 modules for the handheld.

What happened for the most part was I was actually just screwing around with a bit of stainless tubing I found in the shop, and had an idea to put a 532nm module in it. After turning the notches in the front of the body I noticed that the inner diameter might be able to house the 20mm nubm44 module from the box build.

Turns out it was actually ~18.5mm, though I bored out the front section to a little under 20mm and press fit it into the tube with a contact board. After testing that I went ahead and made a tailcap for it, and at this point was when I thought to put the BE on it. The BE adapter stuck out a little which looked a bit weird so I made a "filler" ring out of copper which also acted as a focus ring for the main lens and filled the gap between the expander and the body. This worked out flawlessly.

Turns out that the best projects really are unplanned ones.

The only thing that really isn't good about this build is the duty cycle, it'll comfortably go to a minute but nothing past a minute and a half. Not only is stainless not the best heat conductor but the walls of the tubing ended up being pretty thin.

Here's some final shots, I didn't take many shots of the machining process because I had no idea it would be such a build.






Thanks for reading!
-E.P.
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Old 04-19-2017, 10:07 PM #12
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Default Re: NUBM44 Handheld Build - Stainless steel

What are the threads of the 3X BE?
I just bought a M11 x 0.5 tap and that's not it, nor is it any of the 12mm taps. It's like maybe 11.25mm or the SAE equivalent.
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Old 04-19-2017, 10:35 PM #13
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Default Re: NUBM44 Handheld Build - Stainless steel

Dang I hate that ! can you email them and ask what size it is ?



Quote:
Originally Posted by RedCowboy View Post
What are the threads of the 3X BE?
I just bought a M11 x 0.5 tap and that's not it, nor is it any of the 12mm taps. It's like maybe 11.25mm or the SAE equivalent.
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Last edited by Accutronitis; 04-19-2017 at 10:35 PM.
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Old 04-19-2017, 10:41 PM #14
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Default Re: NUBM44 Handheld Build - Stainless steel

Very nice looking build. Love the integrated beam expander and the way the host seems to flow nicely despite having a 3x expander. Will +rep when at a keyboard tonight.
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Old 04-19-2017, 10:53 PM #15
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Default Re: NUBM44 Handheld Build - Stainless steel

I believe ElectricPlasma built this laser from scratch he should know what the thread size is on the BE ?
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"Thor's Hammer" Americanised TLY-L201 Host Build W/Old School NASA Type Safety Switch - DTR NUBM44 6.8 Watts at 4.5 Amps 450nm Diode In 25mm Copper Module W/Driver - DTR G-2 lens - OPT Laser 6X/3X Cylindrical Three Lens Fast Axis Correction W/Focusable Convex Lens Class IV

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Old 04-19-2017, 11:14 PM #16
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Default Re: NUBM44 Handheld Build - Stainless steel

I think he ( EP ) said he used the adaptor, I have asked sanwu but they gave me the wrong size twice, its not any pitch 0.5, 0.75, 1.0 in either M11 or M12, It looks very much like a 0.5 pitch but the diameter is around 10.25mm, so either it's a custom threading or a SAE

I will have to take it by a machine shop and see if they can match it or tell me if it's some custom tooling.

I can do a workaround with an adaptor or make a pocket and drill divots for set screws, or tap the back where it's flat, I used a jam nut on my moped muffler, but I wanted to use 1/4 inch stock so I could put in 4 corner set screws to fine tune the alignment, but there is so little to work with I have to mount with a jam nut to thin material and attach that to the 1/4 inch with the center drilled out, all that when simply having the right tap would be so much easier.

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NUBM44 Handheld Build - Stainless steel-sany0644.jpg  
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