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chinesse lasers

Posted by faboratory 
chinesse lasers
August 20, 2014 05:00PM

what about these ?
there is a couple of laser diodes + driver, ranging from 100mw to the more interesting 1-2W range


has anybody tried the performance of these chinesse lasers?

thanks guys!
Re: chinesse lasers
August 28, 2014 09:55AM
Since 3 months ago, I've tried gray image engraving with blue laser 1.5W from China.
This blue laser is very powerful and I controlled laser power with laser driver using Arduino (Arduino with RAMPS 1,4).

I attached the result's engraving image by blue laser with my Micro-CNC.

English blog: [dreammakercnc.blogspot.kr]
Korean blog: [blog.naver.com]
open | download - Water tiger_Small.jpg (383.8 KB)
open | download - Woman_fly_Small.jpg (467.9 KB)
Re: chinesse lasers
August 28, 2014 11:42AM
nice blog!

seeing the pictures that is exactly the kind of diode laser i've seen on aliexpress

did you try to cut some stuff?
it should be able to cut 3 mm of balsa or so...

Re: chinesse lasers
August 28, 2014 01:57PM
Did you modulate the laser with an arduino?

Are the plans / code available?

confused smiley
Re: chinesse lasers
August 31, 2014 07:19AM
Yes. The blue laser is from Chinese. I also purchesed laser driver.
I've just engrave the gray scale image on MDF, wood and colored paper.
Actually I didn't acquire the small spot with this Chinese blue laser.
So I didn't try to cut some materials.

I've just study the focusing of laser and lens.
However, I think it can just cut the balsa wood and acrylic.
( actually I tried cut the hole on black acrylic. So it was very easy to cut it.)
Re: chinesse lasers
August 31, 2014 07:47AM
To cozmicray,

The laser driver have TTL moudulation pin and I send PWM signal using Arduino ( Marlin firmware with RAMPS 1.4 kit).
I've just made new Gcode as like M160 S100 for Laser power control and M161 : Laser power on, M162: Laser power off
Also I assigned control pin in adrino.
For your referecce, I attached my laser control diagram.

For more information : [dreammakercnc.blogspot.kr]
korean blog page: [blog.naver.com]
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