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modified the low vibration shaper recommendation

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Félix Boisselier
2023-10-31 22:23:06 +01:00
parent d0930261f7
commit ce0330a9d1
2 changed files with 25 additions and 14 deletions
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docs/macros/axis_tuning.md
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@@ -40,10 +40,10 @@ For setting your Input Shaping filters, rely on the auto-computed values display
* `2HUMP_EI` and `3HUMP_EI` are last-resort choices. Usually, they lead to a high level of smoothing in order to suppress the ringing while also using relatively low acceleration values. If they pop up as suggestions, it's likely your machine has underlying mechanical issues (that lead to pretty bad or "wide" graphs).
- **Recommended Acceleration** (`accel<=...`): This isn't a standalone figure. It's essential to also consider the `vibr` and `sm` values as it's a compromise between the three. They will give you the percentage of remaining vibrations and the smoothing after Input Shaping, when using the recommended acceleration. Nothing will prevent you from using higher acceleration values; they are not a limit. However, when doing so, Input Shaping may not be able to suppress all the ringing on your parts. Finally, keep in mind that high acceleration values are not useful at all if there is still a high level of remaining vibrations: you should address any mechanical issues first.
- **The remaining vibrations** (`vibr`): This directly correlates with ringing. It correspond to the total value of the blue "after shaper" signal. Ideally, you want a filter with minimal or zero vibrations.
- **Shaper recommendations**: This script will give you two recommandation. Pick the one that suit your needs:
* The first is Klipper's original suggestion, for best performance and acceleration on your machine while also allowing a little bit of remaining vibrations.
* The second aims for no remaining vibration to ensure the best print quality.
- The final line provides the estimated damping ratio for the axis. This value is generated automatically and is only accurate if the graph displays a clear and well detached single peak.
- **Shaper recommendations**: This script will give you some tailored recommendations based on your graphs. Pick the one that suit your needs:
* The "performance" shaper is Klipper's original suggestion that is good for high acceleration while also sometimes allowing a little bit of remaining vibrations. Use it if your goal is speed printing and you don't care much about some remaining ringing.
* The "low vibration" shaper aims for the lowest level of remaining vibration to ensure the best print quality with minimal ringing. This should be the best bet for most users.
* Sometimes, only a single recommendation called "best" shaper is presented. This means that either no suitable "low vibration" shaper was found (due to a high level of vibration or with too much smoothing) or because the "performance" shaper is also the one with the lowest vibration level.
- **Damping Ratio**: Displayed at the end, this estimatation is only reliable when the graph shows a distinct, standalone and clean peak. On a well tuned machine, setting the damping ratio (instead of Klipper's 0.1 default value) can further reduce the ringing at high accelerations and with higher square corner velocities.
Then, add to your configuration: