Extrusion Quality - Mystery issue resolved !

🍺 SUPPORT ME: https://www.patreon.com/join/MirageC How I identified and resolved my direct drive extruder inconsistent flow and print surface artifact. After release of this video I realized that many others have this issue. Thanks to people commenting here I was made aware of: Prusa Issue 602 - https://github.com/prusa3d/Prusa-Firmware/issues/602 Voron Issue 6 - https://github.com/VoronDesign/Voron-Afterburner/issues/6 If you like my work and would like to support my efforts in making more open source 3D printing solutions, please consider a donation or becoming a Patron. In this video I walk through my journey to find the rootcause of this common issue with direct drive extruders: 00:00 Intro 01:30 Timing ruled out 02:04 Motion System ruled out (XYZ) 04:16 Bowden prints better! 05:11 Direct Drive extruder system breakdown 06:17 Troubleshooting methodology 07:11 First issue - Impact of hobb gear wobbling 12:33 Second Issue - Impact of filament diameter inconsistencies 14:39 Experimental gear from Bondtech 15:16 Third Issue - Plastic gear from BMG may also be in cause 16:55 Back to square one, issue is somewhere else 17:36 Fourth Issue - New theory about "Filament Walk" 19:35 Showing improvement from new Bondtech gear once Filament walk has been resolved Components used in this video: Fysetc better machined POM gear ► https://s.click.aliexpress.com/e/_DCnwylH Bearings to smoothen the Idler (MR85) ► https://s.click.aliexpress.com/e/_DC7SJYR PayPal Donation ► https://www.paypal.com/donate?hosted_button_id=LYP98YKUSLXN2&source=url You want to learn and contribute to the HevORT project? FACEBOOK ► https://www.facebook.com/groups/hevort DISCORD ► https://discord.gg/begSWCeku8 FORUMS ► https://forums.hevort.com/index.php Thank you very much! MirageC