Ringing

This is a new phenomenon for my R2.



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One possible reason is acceleration may be set too high. What slicer are you using?

I'm using Simplify 3D and lowering acceleration improved ringing a lot.

Or, are you referring to layers not aligning?

 

I’m using S3D too. What are your values? I am referring to the “X” and “Y” that can be seen in diminishing intensity to the right of the letters. Sorry the photo doesn’t do it justice. I need to get a macro lens for this iphone


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Place the following in your Simplify 3D Post Processing section. Go to the Scripts tab and look at the bottom half of the page where it says Post Processing. This will lower your Robo C2 or R2 acceleration to something reasonable. Try it and check back.

{REPLACE "; layer 1" "; max acceleration for first layer\nM201 X300 Y300\n; layer 1"}
{REPLACE "; layer 2" "; max acceleration for rest of print\nM201 X1000 Y1000\n; layer 2"}
{REPLACE "; outer perimeter\n" "; outer perimeter\nM204 P300\n"}
{REPLACE "; inner perimeter\n" "; inner perimeter\nM204 P500\n"}
{REPLACE "; solid layer\n" "; solid layer\nM204 P500\n"}
{REPLACE "; infill\n" "; infill\nM204 P1000\n"}

 

The advantage of the method that Ed described is that it allows for a different acceleration per feature type. That way you can save some time by keeping a high acceleration on the infill part, while making the outer layers look nicer with a lower acceleration.

 

Ed,
Thank you. Much better results. See block on right

 

@WheresWaldo my R2 is acting up again. Robo will RMA it, so I will have to try your suggestion in a week or so.

 

I am getting some really minor layer shifts, I don't think it is z-wobble but more of the extruder able to push the whole bed. Sometimes I have it on the same model that can be perfect one print later. Thanks for the tips Ed, I will give that a try as well. (I need to replace my nozzle as it has already worn away with just PLA and PETG, I have a MicroSwiss ready once it stops this long print)

 

@WheresWaldo, Would I put the M205 X8 command in my starting script?

 

You can also adjust values from the LCD interface.

Indeed. I reduced accelerations to 500 some time ago, and am now routinely printing at 100mm/s base speed in S3D.