Acceleration setting on k40

LightBurn Hardware Compatibility
1

hello guys how do I change parameters like acceleration settings on my k40? thanks in advance

2

In grbl/dsp they are show up in “Edit → Machine settings” where you can load, save, read and write the data.

If you can’t do it that way, you’d have to look at how the cd3 firmware loads this stuff…

:smile_cat:

3

Hi Jack, I know how to do it on GRBL, I have a diode laser as well. Just don’t know how to do it in K40. There is no machine setting on K40 just device setting
I guess I have to read and update the firmware on the SD card? somebody knows how to do it?

4

I think the sd card is just a flat file you can edit… There must be some information out there on it… I know there is a site for it.

There are a number of people here with similar machines so hang in there…

Good luck

:smile_cat:

5

There is a config.txt file on the SD card that’s loaded on the C3D board.

That file configures all the parameters for the machine. For acceleration as taken from Configuration Adjustment Guide - Cohesion3D:

  1. Decrease global acceleration to slow moves between cuts (Ex: 2000 down to 1000 to test):
    acceleration 1000 # Acceleration in mm/second/second.
  2. Decrease max speeds, testing lower values incrementally until fine tuned (Ex: 12000, 9000, 6000):
    x_axis_max_speed 12000 # mm/min
    y_axis_max_speed 12000 # mm/min
6

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