The problem of working at low speed - DDCSV2.1 - Standalone CNC Motion Controller - Digital Dream Technology support
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The problem of working at low speed

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Landlord
Posted at 2019-7-5 18:25:18 | Only Author |Only larger image Replies reward |Descending browser |Read mode
Hello.
I have the following problem.
I use ddcsv2.1 to control the laser.
When the cutting speed decreases, the laser starts working incorrectly. Problems begin at speeds below 1000 mm / min and increase with decreasing speed. Photo attached. On the direct parts of the work there is no problem. You can help?

tr.jpg (398.65 KB, Down times: 772)

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Sofa
Posted at 2019-7-5 18:57:34 | Only Author
Sorry, I don't quite understand.Your question is: is the trajectory incorrect at low speed, or is the intensity of the laser faulty?How do you control your laser?
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Bench
 Author| Posted at 2019-7-5 19:08:46 | Only Author
The trajectory incorrect at low speed.
At high speeds everything works correctly.
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Floor
Posted at 2019-7-5 19:11:30 | Only Author
Ok, please upload your configuration file (/ MNT /nand1-1/setting) and nc code.
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 Author| Posted at 2019-7-5 20:19:40 | Only Author
In attache MNT /nand1-1/setting and nc code

100.rar

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Posted at 2019-7-5 21:05:22 | Only Author
I used this configuration file to run this nc code and found no problems. Which firmware version are you using?
You can install the firmware in the attachment and try.

install(2019-06-22-112).zip

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 Author| Posted at 2019-7-5 21:12:52 | Only Author
thank. I will try.
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 Author| Posted at 2019-7-5 22:11:44 | Only Author
How I can install the firmware?
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Posted at 2019-7-5 22:14:45 | Only Author
Extract the install directory of the archive to the usb stick, insert the usb stick into the controller, and power it on.
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 Author| Posted at 2019-7-8 17:32:33 | Only Author
Last edited by Bpinv In 2019-7-8 17:42 Editor

Hello.
I reinstalled the software. Problem still exists. At high speed (F = 1500 mm/min) draws closed regular circles. At low speeds (F = 100 mm/min) , the laser path is irregular. For some reason, on the arcs the direction of movement of the laser changes and instead of a circle a strange figure is obtained. Draws straight lines correctly at any speed. I attach the photo again: work with the same nc-code at different speeds.

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tr.jpg
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