- 01-08-2013, 06:20 PM #1
I work with laser engraving machines and did a test spot inside the shell. Our fiber laser makes a nice dark mark inside. I plan on marking something on the outside, but my only idea was a PCB layout diagram. Anyone have ideas? I'll post when done.
- 01-09-2013, 01:10 PM #3
- 01-09-2013, 05:05 PM #4
Well, here it is. It did not turn out quite as well as I hoped. The laser was run too fast/hot on the vector lines, but the rastered windows logo turned out better. Usually, we have a full size test piece, but at $40/ea, I wasn't willing to fork over my own money.
- 01-10-2013, 10:43 AM #8
From the picture, it looks great. You mentioned the lines doesn't come out that good since it burns the plastic, can you adjust the amount of energy for the laser?
If not, then maybe you can experiment with the line thickness? At some point, I would think the thickness of the lines would be big enough where it won't look crappy??
BTW, it looks really nice. I wish I can do that to my cover.... :-)
Can you do any images? Or does it have to be in a particular format for your tool to convert from?Nokia Lumia 810 on T-Mobile
- 01-10-2013, 11:41 AM #9
Yeah, power can be adjusted through duty cycle. Spot size can be controlled, though less easily. The problem is the size if the test Lines I ran. They weren't long enough for the carriage to get up to speed, during which it increases power. Unfortunately, the compensation scheme it uses is fixed, but material response does not always match well. So, next time I do it, I'll dial down the speed to avoid the material response-compensation mismatch.
Virtually any image can be done, including photos. The software applies a dithering pattern to photos that depends on the material. Materials with a large heat affected zone require coarser dithering.
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