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Old 11-29-2014, 05:10 AM #1
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Talking Finally my laser engraver works


I added black wood to absorb the light also, to protect the disk



The TTL driver that controls the laser.





Finally after receiving the laser TTL driver from china the XY plotter can engrave on Wood, cut foam, thin wood, and plastic. I attached a video for the first testing of the machine, I'm waiting to receive digital caliper to adjust the stepping feed to have the right dimension of the drawing.
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File Type: wmv 2014-11-27 16-06-00.918.wmv (2.93 MB, 57 views)


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Old 11-29-2014, 09:30 PM #2
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Default Re: Finally my laser engraver works

nice work!
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Old 11-30-2014, 03:11 AM #3
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Default Re: Finally my laser engraver works

What diode did you use on this little project?
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Old 11-30-2014, 03:28 AM #4
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Default Re: Finally my laser engraver works

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Originally Posted by RYDorDIE278 View Post
What diode did you use on this little project?
I used M140 445 nm, I run the diode at its full power 2W or at least the driver maximum power. I'm currently working on enclosing the stepper driver and the laser driver in a forced convection case because both laser driver and stepper driver heats up , sometimes I smell smoke from the stepper driver.

Last edited by moh17; 11-30-2014 at 03:30 AM.
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Old 11-30-2014, 04:08 PM #5
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Default Re: Finally my laser engraver works

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Originally Posted by moh17 View Post
Is this the only heat sink you have on the diode at 2W???

You are killing that diode

I would suggest better heat sinking and maybe using a high powered 405 like the 16x.
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Old 11-30-2014, 10:09 PM #6
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Default Re: Finally my laser engraver works

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Originally Posted by Polonium210 View Post
Is this the only heat sink you have on the diode at 2W???

You are killing that diode

I would suggest better heat sinking and maybe using a high powered 405 like the 16x.
The diode is enclosed in a copper module, the TTL pulse the laser so it have seconds to cool down. I do not think that is a problem, If it dies, I will buy another one, its not that expensive to have that extra care on him. I have a 16x blue ray burner, you make me think about taking it apart
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