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outside/inside layers loose  

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salautom
(@salautom)
Active Member
Topic starter answered:
RE: outside/inside layers loose

the reason I added the new extruder and hotend was because the original was completely broken so no option to go back

 

Respondido : 27/04/2021 8:45 pm
Dan Rogers
(@dan-rogers)
Noble Member
RE: outside/inside layers loose

Owww.  Unfortunately, not even GCODE is going to be portable to compare.  The only assumption you can make I think is that if you stick with slicer defaults, you can rule out the slicer.  FOr your new extruder and gears, is any custom GCODE required in each print?

Respondido : 27/04/2021 8:45 pm
salautom
(@salautom)
Active Member
Topic starter answered:
RE: outside/inside layers loose

maybe I can try a extrusion multiplier of 0.45/0.29 = 1.55??

 

Respondido : 27/04/2021 8:48 pm
salautom
(@salautom)
Active Member
Topic starter answered:
RE: outside/inside layers loose

after setting the extrusion multiplier to 1.55 I get better results:

Respondido : 27/04/2021 9:54 pm
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(@)
Illustrious Member
RE: outside/inside layers loose

@salautom

Your extruder needs calibration. It is very likely you have the wrong firmware installed; code that doesn't take into account the 3:1 gear reduction of your Bondtech extruder filament drive. Call Bondtech and get them to help you figure this out.

 

Respondido : 28/04/2021 12:39 am
Neophyl
(@neophyl)
Illustrious Member
RE: outside/inside layers loose

Did you set your esteps to 890 and save it to the printers eeprom ?  This under extrusion is the classic symptom of not doing that.

Respondido : 28/04/2021 6:21 am
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(@)
Illustrious Member
RE: outside/inside layers loose

@salautom

As Neophyl said.

Simply changing the flow fixes a single data point, the wall thickness in that test, but not all conditions that matter. Things like retraction, jerk, acceleration; they all play off the number of steps it takes to move the filament N millimeters. And that requires a fix down in the firmware (or cal constants as Neo mentioned). That's why a call to Bondtech might save you some headaches.

Respondido : 28/04/2021 7:34 am
salautom
(@salautom)
Active Member
Topic starter answered:
RE: outside/inside layers loose

ok, problem solved, needed to do a factory reset with all data destroyed, I failed the last with my previous reset I guess

(got in contact with Bondtech about this)

Respondido : 28/04/2021 10:48 am
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