Pid Tuning 3d Printer Marlin
Its not that hard at all.
Pid tuning 3d printer marlin. Run the m303 e 1 s60 c8 command and wait for the process to finish. Autotune pid is a feature that is included in marlin and most branches of it to help determine the best settings for the hot end temp control. Allow your hot end to cool to room temp. If you managed to perform the hotend calibration then the heatbed pid calibration will be much easier.
The same process above can also be used to pid tune your heated bed. While the topic of pid is actually somewhat complex tuning it with marlin is very straight forward. Just use the following if you normally use 60 on the bed. Beginner guide to marlin 11 3d printer firmware before trying this tutorial.
Pid tune to your hotend will result in better quality prints so its worth the time to learn how to do it. Our lulzbot 3d printers are shipped calibrated and accurate but if you change your thermistor or would like to experiment here is the procedure. Fine tune your marlin pid settings. Get the current pid settings using the m503 command.
Pid will need to be enabled for the bed within marlin if you are to use this just in case it doesnt work type in pronterface. M303 e 1 s60 c5. In marlin the parameters that control and limit the pid controller can have more significant effects than the popular pid parameters. Usage m303 ccount dflag eindex stemp uflag.
This command is m303 followed by the hotend number e0 e1 etc s temperature and c number of iterations to run. If you havent installed the marlin firmware on your 3d printers mainboard or dont know what marlin is check out my article. Your printer will return the current pid settings for the heatbed. Pid autotuning and tuning isnt terribly precise and changes in the parameters by factors of 5 to 50 are perfectly reasonable.
Well simply put it heats up the hot end and cools it several times to determine the optimum setting for the heating element part. So what does it do.