ERCF Filament Cutting Mod
The biggest effect is probably the cutting method, which can greatly reduce errors caused by filament spider webs. Friction and tangling caused by the shape of the filament end can occur. This problem can be resolved.
The fuzzy function can reduce tower size.
https://www.youtube.com/watch?v=jHE_eaS_J6o&ab_channel=MrGoodman
https://www.youtube.com/watch?v=E3OkWK-ciag&ab_channel=MrGoodman
https://blog.naver.com/pure100kim/223006132448
Version Hsitory
I really sorry about stl file that uploading wrong straight type cutter knife stl file.
Reuploading 45 degree cutter knife stl file. (02 May 2023) please forgive my mistake. hahaha
1. Using software
I use ERCF software : https://github.com/moggieuk/ERCF-Software-V3
2. Prepare parts
(1) E3D V6 Heatsink 1ea https://smartstore.naver.com/2bitmall/products/5242626620
(2) Art knife diagonal Type 1ea
Can buy same type knife via aliexpress. https://a.aliexpress.com/_mLzv8n4
(3) etc
-. M2*12mm 1EA
-. M2 space
-. M3*14mm 2EA
-. M3 Insert 3EA
-. ballpoint pen spring 1EA
(4) ERCF_Cutting_lever_Touch_screw holder 2020 Profile 50mm
M5 Sprint Nun or T nut 5EA
M5*30mm 1EA
M5*8mm 4EA
Corner Block 2EA
3. STL Fils
The (1)(2) two stl files must be combined for the blade to work properly.
(1)ERCF OMRON switch and Neodium Magectic
https://github.com/pure100kim/StealthBurner_Toolhead-Sensor_switch
(2) Cutting lever V6 Heatsink stl files
4. Assemble
It is important teflon tube shape becase To ensure that the filament fits properly, it is necessary to Trumpet shape it.
Assemble it as shown in the picture below
This is a lever operation holder for activating the cutting knob. It should be located on the left front side. If it is positioned at the back, it may interfere with the drag chain. If the user does not use the drag chain, it is also acceptable to install it at the far right back. The installation height can be adjusted.
5. gcode macro
Include Filament cutting macro file in printer.cfg as below
If you want move _PARK location or wiper location, change the gcode end line.
(Optinonal) Filament wiper https://github.com/pure100kim/VORON_NOZZLE_WIPER/blob/main/README.md
6. Prusa Slicer setting
7. Filament remove modification
Modify [gcode_macro REMOVE_FILAMENT] macro section in printer.cfg
Adjust retraction lenth value This is cutting position.
M117 Removing filament ERCF_FORM_TIP_STANDALONE USE_SKINNYDIP=1 SKINNYDIP_DISTANCE=31 COOLING_TUBE_LENGTH=10 COOLING_TUBE_RETRACTION=35 G91 G92 E0 G1 E-35 F3000