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Commander J. Bloodmaker
Upon completing how to build a cnc laser module ( by back tracing circuitry elements and looking up what they were) and activate the ttl/pwm signal to set the board without an engraver running, I moved on to a cooling system. I built the cooling system of Tec chips and controller boards ( like many circuits before). Keeping the laser at a steady 65 degrees F and the steppers at a nice balmy 80f.
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Commander J. Bloodmaker
Commander J. Bloodmaker
This will allow me to monitor the board for any weird stuff, maybe enabling me to replace it before blowing a $200 plus diode ( worth a shot). I turned a $400 machine into a $2400 machine ( the driver was $500 alone).
Commander J. Bloodmaker
Commander J. Bloodmaker
Hopefully it is capable of doing what I designed it for, continuous running. So far testing has been very positive, over 100 hours of running and no noticeable difference in power or depth of engraving into glass.
Commander J. Bloodmaker
Commander J. Bloodmaker
I could have done this all way, way, way, cheaper ( $200 if this was gonna be a hobby level). This is for a tiny business, so I need reliability and longevity. I now have multiple modules build for different substrates, with corresponding best wavelength laser diode. Now I am able to keep the wavelength stable as well. No more drifting as it heats up.
Unown (WILD)
Your ip address shares the same with another account "Curelo". Multiple accounts are not allowed. Curelo has been deleted somehow so I'm going to let you keep this one. From now on only have one account ok?
ArcticDude
hbdr.gif
hakzaw1
welcome
just replied- hope I did not hurt any feelings- I get told that I am not 'nice' enough--wth?==lazers is serious biz-
I dont remember right now where I got mine or what I paid.
almost every HeNe that looks like this (many are much smaller) will be a 'red' -- rare is green iirc 543nm and expensive for only 5 or 6 mW. (I have two greens)..AND
hakzaw1
hakzaw1
we have a limit on these 'convos. what I have above it about the limit.
I have more to share with you--worked hard- do you have an email you can share-send me a messg at gmail (bridgeonsale)
I have saved the rest- it will save you a lot of time..
Commander J. Bloodmaker
Thanks for clarifying ttl and pwm for me. The CNC forums tend to make them very confusing terms. They had me thinking they were not compatible.
Ogskylr
This joint reminds me of bb’s from the 90’s only I didn’t use bb’s in the 90’s so mistakes may be made, my bad.
L
Wanting a multi-laser set up. Would be applied directly to the skin. I'm aware of the safety concerns with eyes when using lasers.

o 5 to 6 lasers ~630nm peferred, if not then 650nm
o At least 100mw each laser. 150mw preferred, IF it'd be safe to be used on skin without injury.
o Managable heat when used for less than 20 mins continuous

How much would this cost, how long would it take to complete ?
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CurtisOliver
CurtisOliver
LPF cannot advise on any applications that involve lasers being used on the human body.
Using non-medical endorsed products by inexperienced operators has a huge potential for disaster.
Ogskylr
Ogskylr
Sounds like dude wants a laser hat for balding
hakzaw1
Keep in mind that PL is the lasershow forum-- not much there about handheld or DYI them--
NOT doing that might backfire on you. I would not even list HHs in my sig--no point-





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