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Tweak M600 filament change

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Adjust load and unload distances to suit the bowden tube and append instructions
This commit is contained in:
David Ramiro
2019-02-06 18:10:39 +01:00
parent 42f52d34b4
commit 9281686c49
2 changed files with 15 additions and 6 deletions
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6
Marlin/Configuration_adv.h
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@@ -985,7 +985,7 @@
// This short retract is done immediately, before parking the nozzle.
#define FILAMENT_CHANGE_UNLOAD_FEEDRATE 30 // (mm/s) Unload filament feedrate. This can be pretty fast.
#define FILAMENT_CHANGE_UNLOAD_ACCEL 25 // (mm/s^2) Lower acceleration may allow a faster feedrate.
#define FILAMENT_CHANGE_UNLOAD_LENGTH 500 // (mm) The length of filament for a complete unload.
#define FILAMENT_CHANGE_UNLOAD_LENGTH 555 // (mm) The length of filament for a complete unload.
// For Bowden, the full length of the tube and nozzle.
// For direct drive, the full length of the nozzle.
// Set to 0 for manual unloading.
@@ -994,12 +994,12 @@
// 0 to disable start loading and skip to fast load only
#define FILAMENT_CHANGE_FAST_LOAD_FEEDRATE 30 // (mm/s) Load filament feedrate. This can be pretty fast.
#define FILAMENT_CHANGE_FAST_LOAD_ACCEL 25 // (mm/s^2) Lower acceleration may allow a faster feedrate.
#define FILAMENT_CHANGE_FAST_LOAD_LENGTH 500 // (mm) Load length of filament, from extruder gear to nozzle.
#define FILAMENT_CHANGE_FAST_LOAD_LENGTH 530 // (mm) Load length of filament, from extruder gear to nozzle.
// For Bowden, the full length of the tube and nozzle.
// For direct drive, the full length of the nozzle.
//#define ADVANCED_PAUSE_CONTINUOUS_PURGE // Purge continuously up to the purge length until interrupted.
#define ADVANCED_PAUSE_PURGE_FEEDRATE 3 // (mm/s) Extrude feedrate (after loading). Should be slower than load feedrate.
#define ADVANCED_PAUSE_PURGE_LENGTH 50 // (mm) Length to extrude after loading.
#define ADVANCED_PAUSE_PURGE_LENGTH 10 // (mm) Length to extrude after loading.
// Set to 0 for manual extrusion.
// Filament can be extruded repeatedly from the Filament Change menu
// until extrusion is consistent, and to purge old filament.

15
README.md
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@@ -185,11 +185,15 @@ Note: These commands are tweaked for PLA printing at up to 210/60 °C. If you ru
## M600 Filament Change
![M600 Demo][m600 demo]
[m600 demo]: https://kore.cc/i3mega/img/m600demo.jpg "M600 demo"
**A USB host (OctoPrint, Pronterface, ...) is required to use this.**
#### Configuration:
- Send `M603 L0 U0` to use manual loading & unloading. (Recommended)
- Send `M603 L500 U500` to use automatic loading & unloading
- Send `M603 L0 U0` to use manual loading & unloading.
- Send `M603 L530 U555` to use automatic loading & unloading
- Save with `M500`
#### Filament change process (manual loading):
@@ -205,7 +209,12 @@ Note: These commands are tweaked for PLA printing at up to 210/60 °C. If you ru
- Place `M600` in your GCode at the desired layer or send it manually
- The nozzle will park
- The printer will remove the filament right up to the extruder and beep when finished
- Insert the new filament just until where the bowden tube begins
- Insert the new filament just up to the end of the bowden fitting, as shown here:
![Load Filament][m600 load]
[m600 load]: https://kore.cc/i3mega/img/load.jpg "M600 Load"
- Send `M108` via your USB host.
- Note for OctoPrint users: After sending `M108`, enable the advanced options at the bottom of the terminal and press `Fake Acknowledgement`
- The printer will now pull in the new filament, watch out since it might ooze quite a bit from the nozzle