PLA cold pull
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G Code script to do a cold pull semi automatically.
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Model information
- Source
- Printables
- Category
- Test Models
- License
- BSD License
Take this G-Code and load it onto your printer to do a Cold Pull with PLA.
It will automatically heat up the print head and do a slow but steady extrude while cooling down the extruder. When it reaches 90°C it will reverse the extruder and pull the filament out. The printer will make a sound to alert you. At this time it is advisable to help the printer pull out the filament by manually pulling at the filament as well.
The attached G-Code file has the line with command M302 commented out to not trigger the code inspection. Uncomment this line to use the file!
;COLD PULL CYCLE
;ChrRaj00, 2022-06-21M302 ; Allow cold extrusion
M109 S255 ; Wait until working temperature reached (255)
G4 P10000 ; Pause for 10 seconds
M109 S190 ; Cool to 190
M83 ; Extruder to relative mode
G1 E10 F0.0001 ; Extrude a tiny bit of filament to keep nozzle full
M109 S90 ; Cool to 90
M300 S523 P100 ; Play a tune to signal that it is time to pull.
M300 S587 P100 ; tune continued
M300 S659 P100 ; tune continued
;M117 Pull filament now. ; Display this message
G1 E-300 F1000 ; Run the extruder backwards
M104 S0 ; turn off temperature
M107 ; turn off fan
;required to prevent printer believing file is incomplete
M84 ; disable motors