Divide the default steps/mm in the configuration file by the calculated value.If the measurement is off, calculate the difference.Using calipers, measure the X (horizontal) and Y (vertical) lengths of the square to ensure they are at exactly 100mm.Create a test file to run a simple square that is 100mm x 100mm at a slow speed like 25 mm/s on a scrap piece of laser material.Check your steps per mm to ensure it is accurate for each axis:.Decrease the seek rate to slow travel movement (not cuts), testing lower values incrementally until fine tuned (Ex: 12000, 9000, 6000)ĭefault_seek_rate 12000 # Default rate ( mm/minute ) for G0 moves.Decrease the feed rate (Ex: 2000 down to 1000 to test):ĭefault_feed_rate 2000 # Default rate ( mm/minute ) for G1/G2/G3 moves. ![]() Open the config.txt on the memory card using an editor such as Sublime Text.Put the board’s memory card into your computer, using a MicroSD / SD reader if necessary.Power off the C3D Board and remove the memory card. ![]() The values provided are recommendations which should be tweaked to optimize your machine performance: If you are experiencing issues with the gantry movement or skipping steps, this guide is a starting point for which settings to update.įor machines with larger dimensions (greater than a 300 mm x 200 mm work area), please refer to our Larger Laser Machine Installation Guide. ![]() Each machine and its various components are unique and may require some alterations to dial in the settings. The default configuration file is set up for stock K40 style machine types.
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