Linear Advance / K-Factor support?

Discussions about ideaMaker and other printing software.
stewart
Posts: 45
Joined: Fri Dec 08, 2017 2:17 am

Linear Advance / K-Factor support?

Postby stewart » Sat Jan 20, 2018 2:45 pm

Does the N2's Marlin support Linear Advance / K-Factor adjustments? I'm getting over-extrusion in the corners from either missing or mis-configured K-factor.

http://marlinfw.org/docs/features/lin_advance.html

http://marlinfw.org/docs/gcode/M900.html

Thanks

stewart
Posts: 45
Joined: Fri Dec 08, 2017 2:17 am

Re: Linear Advance / K-Factor support?

Postby stewart » Sat Jan 20, 2018 7:37 pm

I looked through the Raise3D code on Github and the current Marlin code on Github and the answer is no, which is extremely unfortunate.

Are there plans to update the controller firmware with a more modern version of Marlin at some point?

zemlin
Posts: 154
Joined: Sat Oct 21, 2017 2:02 pm

Re: Linear Advance / K-Factor support?

Postby zemlin » Sun Jan 21, 2018 4:08 pm

I am also interested in playing with this.

stewart
Posts: 45
Joined: Fri Dec 08, 2017 2:17 am

Re: Linear Advance / K-Factor support?

Postby stewart » Sun Jan 21, 2018 4:18 pm

inline gcode tuning of k-factor is critical to address different filament types and the fact that each extruder has a different length between the gear and the nozzle. so even if you hard-coded a k-factor in the firmware, it would only work for one extruder and filament type. regardless, the implementation in the version of marlin used by the N2, when enabled, is faulty.


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