Here's my run of Pulse Width Test 254DPI UCCNC F78.7401.txt
It's only approx 5mm x 5mm so detail is hard to pick out but it generally looks right. I'm running 1.2049.
mayhem2408 wrote:As you can see from the original image, even on your machine is doesn't line up quite right.
cncdrive wrote:We have just ran a test using your code with UCCNC version 1.2106 with UC100. Feedrate was F2000.
Please see the test results picture in attachment.
The laser module we used has some focus issues which we did not have time to fix now, but it can be seen that there is no shift and no missing lines.
Robertspark wrote:Balazs, thanks for testing that.
Mayhem, is there capacitors that are being charged somewhere in your circuit that are delaying the laser?
From what I've seen of these circuits before there is a main power supply circuit which provides the bulk of the current to the laser which may be de-energised by the e-stop button / circuit and then the logic side which just fires the MOSFET very fast.
3d0g wrote:Here's my run of Pulse Width Test 254DPI UCCNC F78.7401.txt
It's only approx 5mm x 5mm so detail is hard to pick out but it generally looks right. I'm running 1.2049.
3d0g wrote:I'm running a 100W CO2 laser and throttled power back as far as I could yet still get it to trigger. My beam width at the focal point is .33mm - over 3x the size of the movements in this test file...
cncdrive wrote:We have just ran a test using your code with UCCNC version 1.2106 with UC100. Feedrate was F2000.
Please see the test results picture in attachment.
The laser module we used has some focus issues which we did not have time to fix now, but it can be seen that there is no shift and no missing lines.
mayhem2408 wrote:CO2 lasers are great for power, but not for dot size. My 4.5W diode laser has a focal dot size of 0.07mm and the driver provides very good linear control of the power.
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