purge sistem for vzbot / ratrig
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system for nozle purging and cleaning Uses an SG90 servo
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Public Domain
For installation it is recommended to use anti-adhesive tape such as aluminum tape
1, mount the motor without the bracket and mark the 0 of the servo
2 found zero and 90 degrees mount the arm
3 for the wipe I used three Dremel brushes, two small and one large
4 align the body with the platter and tighten the screws
defect, approximately 5mm of printing surface is lost
a base for the code
[servo my_servo]
pin: P2.0
initial_angle: 180
minimum_pulse_width: 0.001
maximum_pulse_width: 0.002
[gcode_macro MoveServo1]
gcode:
SET_SERVO SERVO=my_servo ANGLE=0
[gcode_macro MoveServo2]
gcode:
SET_SERVO SERVO=my_servo ANGLE=170
insert MoveServo2 MoveServo1 in the filament change logic the arm up in the pre_unload_gcode: and arm down at the end post_load_gcode: