Feat: Replace custom KNCM with official Open-Elegoo-Community version
Replaced our custom nozzle cleaning macros with the official Klipper Nozzle Clean Macro (KNCM) from Open-Elegoo-Community. Changes: - Added KNCM/nozzle_clean.cfg (official macro code) - Updated KNCM_settings.cfg with official variable-based config - Updated KNCM/KNCM_settings.cfg (copy for include path) - Removed custom CLEAN_NOZZLE, SMART_PARK, LINE_PURGE macros Benefits of official KNCM: - Proper wiper position calculation (not hardcoded X0 Y0!) - Variable-based configuration (easy to customize) - Filament-specific cleaning temperatures - Sinusoidal wiping pattern for better cleaning - PurgeShake to remove strings before wiping - Actively maintained by Open-Elegoo-Community Neptune 4 Plus specific settings: - printer_bed_y_max: 330 - wiping_axis: Y (bed moves) - cleaning_height: 30 (CALIBRATE THIS!) - bed_corner_to_wiper_offset: 40.5 (MEASURE THIS!) Reference: https://github.com/Open-Elegoo-Community/klipper-nozzle-clean-macro
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KNCM/nozzle_clean.cfg
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473
KNCM/nozzle_clean.cfg
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#############################################################################
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# NOZZLE CLEAN CODE
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#############################################################################
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# ------------------------------------------------------------------------
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# !!! DO NOT EDIT THIS FILE !!! - Changes below are unsupported
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# ------------------------------------------------------------------------
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[gcode_macro CLEAN_NOZZLE]
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description: Nozzle cleaning using a brush
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gcode:
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# ------------------------------------------------------------------------
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# LOAD SETTINGS
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# ------------------------------------------------------------------------
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# Load variables from KNCM_settings.cfg
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{% set KNCM_SETTINGS = printer['gcode_macro _KNCM_SETTINGS'] %}
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# cleaningHeight
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{% set cleaningHeight = KNCM_SETTINGS.cleaning_height %}
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# wipingAxis
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{% set wipingAxis = KNCM_SETTINGS.wiping_axis %}
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# printerBedYMax
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{% set printerBedYMax = KNCM_SETTINGS.printer_bed_y_max %}
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# cleaningLoops
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{% set cleaningLoops = KNCM_SETTINGS.cleaning_loops %}
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# purgeSHake
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{% set purgeShake = KNCM_SETTINGS.purge_shake %}
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# waitNozzleTempRestore
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{% set waitNozzleTempRestore = KNCM_SETTINGS.wait_nozzle_temp_restore %}
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# debug
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{% set debug = KNCM_SETTINGS.debug %}
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# acceleration
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{% set acceleration = KNCM_SETTINGS.acceleration %}
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# speed
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{% set travelSpeed = KNCM_SETTINGS.travel_speed %}
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{% set slowSpeed = KNCM_SETTINGS.slow_speed %}
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{% set fastSpeed = KNCM_SETTINGS.fast_speed %}
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# cleaningTemperatures
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{% set cleaningTemperatures = KNCM_SETTINGS.cleaning_temperatures %}
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# wiperWidth
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{% set wiperWidth = KNCM_SETTINGS.wiper_width %}
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# wiperLength
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{% set wiperLength = KNCM_SETTINGS.wiper_length %}
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# wiperWallOffset
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{% set wiperWallOffset = KNCM_SETTINGS.wiper_walloffset %}
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# bedCornerToWiperOffset
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{% set bedCornerToWiperOffset = KNCM_SETTINGS.bed_corner_to_wiper_offset %}
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# waves
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{% set waves = KNCM_SETTINGS.waves %}
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# ------------------------------------------------------------------------
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# DEBUG MESSAGE - LOADED VARIABLES
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# ------------------------------------------------------------------------
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{% if debug == 1 %}
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RESPOND MSG="INFO: loaded Variables"
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RESPOND MSG=" - cleaningHeight : { cleaningHeight }"
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RESPOND MSG=" - wipingAxis : { wipingAxis }"
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RESPOND MSG=" - printerBedYMax : { printerBedYMax }"
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RESPOND MSG=" - cleaningLoops : { cleaningLoops }"
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RESPOND MSG=" - purgeShake : { purgeShake }"
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RESPOND MSG=" - waitNozzleTempRestore : { waitNozzleTempRestore }"
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RESPOND MSG=" - debug : { debug }"
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RESPOND MSG=" - wiperWidth : { wiperWidth }"
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RESPOND MSG=" - wiperLength : { wiperLength }"
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RESPOND MSG=" - wiperWallOffset : { wiperWallOffset }"
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RESPOND MSG=" - bedCornerToWiperOffset : { bedCornerToWiperOffset }"
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RESPOND MSG=" - waves : { waves }"
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RESPOND MSG=" - acceleration : { acceleration }"
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RESPOND MSG=" - travelSpeed : { travelSpeed }"
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RESPOND MSG=" - slowSpeed : { slowSpeed }"
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RESPOND MSG=" - fastSpeed : { fastSpeed }"
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RESPOND MSG=" - cleaningTemperatures : { cleaningTemperatures }"
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{% endif %}
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# ------------------------------------------------------------------------
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# INITIALIZE, CHECK AND PROCESS VARIABLES
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# ------------------------------------------------------------------------
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{% set filamentType = params.FILAMENT_TYPE|default("PLA")|string|upper %} # Set filamentType to the provided variable (fallback to PLA)
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{% set error = 0 %} # Initialize error variable
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{% if wipingAxis not in ["x", "X", "y", "Y"] %} # Check for a valid wipingAxis
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RESPOND MSG="ERROR: Wiping axis configuration error. Please check your wipingAxis setting!"
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{% set error = 1 %}
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{% endif %}
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{% if wipingAxis in ["x", "X"] %} # Check clearances for cleaning with head movements
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{% if ((printer.toolhead.axis_maximum.y - printerBedYMax) < 3.2) %}
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RESPOND MSG="ERROR: Insufficient vertical clearance between printerBedYMax ({printerBedYMax}) and nozzle max Y ({printer.toolhead.axis_maximum.y}). Minimum required: 3.2mm."
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{% set error = 1 %}
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{% endif %}
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{% if ((printerBedYMax < 1) or ((printerBedYMax > 1000))) %}
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RESPOND MSG="ERROR: Printer bed Y-axis size ({printerBedYMax}) out of expected range. Please verify configuration."
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{% set error = 1 %}
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{% endif %}
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{% elif ((printer.configfile.config.stepper_x.position_endstop|float + 3.2) > 0) %} # Check clearances for cleaning with bed movements
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RESPOND MSG="ERROR: X homing sensor position ({printer.configfile.config.stepper_x.position_endstop}) is too close to the bed. Required: ≤ -3.2mm."
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{% set error = 1 %}
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{% endif %}
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{% if cleaningLoops < 1 %} # Check if cleaningLoops is set to a minimum of 1 loop
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RESPOND MSG="WARNING: cleaningLoops set to false value:{cleaningLoops} - changed to default 1 "
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{% set cleaningLoops = 1 %}
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{% endif %}
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{% if wipingAxis in ["y", "Y"] %} # Cleaning using bed movement
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{% set wiperYmax = printerBedYMax %}
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{% if wiperWidth + wiperWallOffset + printer.configfile.config.stepper_x.position_endstop|float > 0 %} # limited clearance
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{% set wiperXmin = printer.configfile.config.stepper_x.position_endstop|float %}
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{% set wiperWidth = 0 - wiperWallOffset - printer.configfile.config.stepper_x.position_endstop|float %}
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{% else %}
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{% set wiperXmin = 0 - wiperWallOffset - wiperWidth %}
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{% endif %}
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{% else %} # Cleaning using head movement
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{% set wiperXmin = bedCornerToWiperOffset %}
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{% if printer.toolhead.axis_maximum.y - printerBedYMax - wiperWallOffset - wiperWidth < 0 %}
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{% set wiperYmax = printer.toolhead.axis_maximum.y %}
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{% set wiperWidth = printer.toolhead.axis_maximum.y - printerBedYMax - wiperWallOffset %}
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{% else %}
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{% set wiperYmax = printerBedYMax + wiperWallOffset + wiperWidth %}
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{% endif %}
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{% endif %}
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{% if acceleration != 0 %}
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{% if acceleration > printer.configfile.config['printer']['max_accel']|float %}
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{% set accelerationValidated = printer.configfile.config['printer']['max_accel']|float %}
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{% else %}
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{% set accelerationValidated = acceleration %}
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{% endif %}
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{% endif %}
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{% if travelSpeed > printer.configfile.config['printer']['max_velocity'] | float %}
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{% set travelSpeed = printer.configfile.config['printer']['max_velocity'] | float %}
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{% endif %}
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{% set travelFeedrate = travelSpeed * 60 %} # Convert travelSpeed to travelFeedrate
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{% if slowSpeed > printer.configfile.config['printer']['max_velocity'] | float %}
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{% set slowSpeed = printer.configfile.config['printer']['max_velocity'] | float / 2 %}
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{% endif %}
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{% set slowFeedrate = slowSpeed * 60 %} # Convert slowSpeed to slowFeedrate
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{% if fastSpeed > printer.configfile.config['printer']['max_velocity'] | float %}
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{% set fastSpeed = printer.configfile.config['printer']['max_velocity'] | float %}
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{% endif %}
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{% set fastFeedrate = fastSpeed * 60 %} # Convert fastSpeed to fastFeedrate
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{% if debug == 1 %}
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RESPOND MSG="INFO: processed Variables"
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RESPOND MSG=" - wiperYmax : { wiperYmax }"
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RESPOND MSG=" - wiperXmin : { wiperXmin }"
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RESPOND MSG=" - wiperWidth : { wiperWidth }"
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RESPOND MSG=" - acceleration : { accelerationValidated }"
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RESPOND MSG=" - travelFeedrate : F{ travelFeedrate }"
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RESPOND MSG=" - slowFeedrate : F{ slowFeedrate }"
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RESPOND MSG=" - fastFeedrate : F{ fastFeedrate }"
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{% endif %}
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# ------------------------------------------------------------------------
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# ERROR CHECK
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# ------------------------------------------------------------------------
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{% if error == 0 %} # Continue only if error is zero
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# ------------------------------------------------------------------------
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# SET CLEANING ACCELERATION
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# ------------------------------------------------------------------------
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{% if acceleration != 0 %}
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SET_VELOCITY_LIMIT ACCEL={accelerationValidated}
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{% endif %}
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# ------------------------------------------------------------------------
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# HOMING PROCESS
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# ------------------------------------------------------------------------
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{% if "x" not in printer.toolhead.homed_axes and "y" not in printer.toolhead.homed_axes and "z" not in printer.toolhead.homed_axes %}
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G28
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{% elif "x" not in printer.toolhead.homed_axes %}
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G28 X
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{% elif "y" not in printer.toolhead.homed_axes %}
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G28 Y
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{% elif "z" not in printer.toolhead.homed_axes %}
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G28 Z
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{% endif %}
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# ------------------------------------------------------------------------
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# SAVE Z AXIS POSITION
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# ------------------------------------------------------------------------
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{% set zHeight = printer.toolhead.position.z %}
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{% if zHeight == 0 %}
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{% set zHeight = 10 %}
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{% set travelHeight = zHeight %}
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{% else %}
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{% set travelHeight = zHeight + 10 %}
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{% if travelHeight > printer.toolhead.axis_maximum.z|float %}
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{% set travelHeight = printer.toolhead.axis_maximum.z|float -10 %}
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{% endif %}
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{% endif %}
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{% if debug == 1 %}
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RESPOND MSG="INFO: travelHeight set to {travelHeight}"
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{% endif %}
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# ------------------------------------------------------------------------
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# CHECK FOR BLENDED FILAMENTS
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# ------------------------------------------------------------------------
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{% if "-" in filamentType %}
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{% set baseFilament = filamentType.split("-")[0] %}
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{% set stringSplitted = 1 %}
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{% else %}
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{% set baseFilament = filamentType %}
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{% set stringSplitted = 0 %}
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{% endif %}
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# ------------------------------------------------------------------------
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# EVALUATE CLEANING TEMPERATURE
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# ------------------------------------------------------------------------
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{% if baseFilament in cleaningTemperatures %}
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{% set cleaningTemperature = cleaningTemperatures[baseFilament] %}
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{% if debug == 1 %}
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{% if stringSplitted == 0 %}
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RESPOND MSG="INFO: Detected filament type {filamentType}. Cleaning temperature set to {cleaningTemperature}c."
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{% else %}
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RESPOND MSG="INFO: Detected filament type {filamentType} (base: {baseFilament}). Cleaning temperature set to {cleaningTemperature}c."
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{% endif %}
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{% endif %}
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{% else %}
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{% set cleaningTemperature = 140 %}
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RESPOND MSG="WARNING: Unknown filament type {filamentType}. Default cleaning temperature of {cleaningTemperature}c will be used."
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{% endif %}
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# ------------------------------------------------------------------------
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# SAVE NOZZLE TARGET TEMPERATURE
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# ------------------------------------------------------------------------
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{% set nozzleTargetTemperature = printer['extruder'].target %}
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# ------------------------------------------------------------------------
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# HEAT EXTRUDER
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# ------------------------------------------------------------------------
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{% if cleaningTemperature != nozzleTargetTemperature %}
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SET_HEATER_TEMPERATURE HEATER=extruder TARGET={cleaningTemperature}
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{% if debug == 1 %}
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RESPOND MSG="INFO: Heating extruder to {cleaningTemperature}c for cleaning..."
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{% endif %}
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TEMPERATURE_WAIT SENSOR=extruder MINIMUM={cleaningTemperature-4} MAXIMUM={cleaningTemperature+10}
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{% endif %}
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# ------------------------------------------------------------------------
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# CLEANING SEQUENCE
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# ------------------------------------------------------------------------
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{% if debug == 1 %}
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RESPOND MSG="INFO: Initiating nozzle cleaning sequence..."
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{% endif %}
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# ------------------------------------------------------------------------
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# Purge Shake
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# ------------------------------------------------------------------------
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{% if purgeShake == 1 %}
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# Travel to PurgeShake position
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G90
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G1 Z{travelHeight} F3000
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{% if wipingAxis in ["y", "Y"] %}
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{% if debug == 1 %}
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RESPOND MSG="INFO: Shaking movement starting at X=0, Y={printerBedYMax-1} (1mm safety margin)."
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{% endif %}
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G1 X0 Y{printerBedYMax-1} F{travelFeedrate}
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{% else %}
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{% if debug == 1 %}
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RESPOND MSG="INFO: Shaking movement starting at X={bedCornerToWiperOffset+wiperLength+1}, Y={printerBedYMax-1} (1mm safety margin)."
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{% endif %}
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G1 X{bedCornerToWiperOffset+wiperLength+1} Y{printerBedYMax-1} F{travelFeedrate}
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{% endif %}
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# Quick left/right movements to clear filament strings
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G91
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G1 X20 F{fastFeedrate}
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G1 X-20
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G1 X20
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G1 X-20
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G1 X20
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G1 X-20
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{% endif %}
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# ------------------------------------------------------------------------
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# Nozzle cleaning
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# ------------------------------------------------------------------------
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{% if wipingAxis in ["y", "Y"] %}
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# --- BED MOVEMENT CLEANING SEQUENCE ---
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{% if debug == 1 %}
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RESPOND MSG="INFO: Repeating cleaning motions for {cleaningLoops} times"
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{% if wiperXmin == printer.configfile.config.stepper_x.position_endstop|float %}
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RESPOND MSG="INFO: Starting first cleaning passes near X endstop at X={wiperXmin+0.2}, Y={wiperYmax} (limited X clearance)."
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{% else %}
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RESPOND MSG="INFO: Starting first cleaning passes at X={wiperXmin+(wiperWidth/4)}, Y={wiperYmax}."
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{% endif %}
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{% endif %}
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{% for loops in range(0, cleaningLoops) %}
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G90
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{% if wiperXmin == printer.configfile.config.stepper_x.position_endstop|float %}
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G1 X{wiperXmin+0.2} Y{wiperYmax} F{travelFeedrate}
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{% else %}
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G1 X{wiperXmin+(wiperWidth/4)} Y{wiperYmax} F{travelFeedrate}
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{% endif %}
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# Lower nozzle and start cleaning motion
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G1 Z{cleaningHeight} F1200
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# Perform pseudosinusoidal cleaning motion
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G91
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{%set ymov=(wiperLength/(waves*4)) %}
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G1 F{slowFeedrate}
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{% for i in range(0,waves) %}
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G1 X{wiperWidth/2} Y-{ymov}
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G1 Y-{ymov}
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G1 X-{wiperWidth/2} Y-{ymov}
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G1 Y-{ymov}
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{% endfor %}
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G1 X{wiperWidth/2}
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{% for i in range(0,waves) %}
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G1 X-{wiperWidth/2} Y{ymov}
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G1 Y{ymov}
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G1 X{wiperWidth/2} Y{ymov}
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G1 Y{ymov}
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{% endfor %}
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G1 F{fastFeedrate}
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G1 X-{wiperWidth/2}
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{% for i in range(0,waves) %}
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G1 Y-{ymov}
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G1 X{wiperWidth/2} Y-{ymov}
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G1 Y-{ymov}
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G1 X-{wiperWidth/2} Y-{ymov}
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{% endfor %}
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G1 X{wiperWidth/2}
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{% for i in range(0,waves) %}
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G1 Y{ymov}
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G1 X-{wiperWidth/2} Y{ymov}
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G1 Y{ymov}
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G1 X{wiperWidth/2} Y{ymov}
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{% endfor %}
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G1 F{slowFeedrate}
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G1 X-{wiperWidth/2}
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{% for i in range(0,waves) %}
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G1 X{wiperWidth/2} Y-{2*ymov}
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G1 X-{wiperWidth/2} Y-{2*ymov}
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{% endfor %}
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G1 X{wiperWidth/2}
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{% for i in range(0,waves) %}
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G1 X-{wiperWidth/2} Y{2*ymov}
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G1 X{wiperWidth/2} Y{2*ymov}
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{% endfor %}
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{% endfor %}
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{% else %}
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# --- HEAD MOVEMENT CLEANING SEQUENCE ---
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{% if debug == 1 %}
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RESPOND MSG="INFO: Repeating cleaning motions for {cleaningLoops} times"
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{% if wiperYmax == printer.toolhead.axis_maximum.y %}
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RESPOND MSG="INFO: Starting first cleaning passes near bed edge at X={wiperXmin+wiperLength}, Y={wiperYmax-0.1} (limited Y clearance)."
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{% else %}
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RESPOND MSG="INFO: Starting first cleaning passes at X={wiperXmin+wiperLength}, Y={wiperYmax-(wiperWidth/4)}."
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{% endif %}
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{% endif %}
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{% for loops in range(0, cleaningLoops) %}
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G90
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{% if wiperYmax == printer.toolhead.axis_maximum.y %}
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G1 X{wiperXmin+wiperLength} Y{wiperYmax-0.1} F{travelFeedrate}
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{% else %}
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G1 X{wiperXmin+wiperLength} Y{wiperYmax-(wiperWidth/4)} F{travelFeedrate}
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{% endif %}
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# Lower nozzle and start cleaning motion
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G1 Z{cleaningHeight} F1200
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# Perform pseudosinusoidal cleaning motion
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G91
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{%set xmov=(wiperLength/(waves*4)) %}
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G1 F{slowFeedrate}
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{% for i in range(0,waves) %}
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G1 X-{xmov} Y-{wiperWidth}
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G1 X-{xmov}
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G1 X-{xmov} Y+{wiperWidth}
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G1 X-{xmov}
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{% endfor %}
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G1 Y-{wiperWidth}
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{% for i in range(0,waves) %}
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G1 X{xmov} Y+{wiperWidth}
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G1 X{xmov}
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G1 X{xmov} Y-{wiperWidth}
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G1 X{xmov}
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{% endfor %}
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G1 F{fastFeedrate}
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G1 Y+{wiperWidth}
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{% for i in range(0,waves) %}
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G1 X-{xmov}
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G1 X-{xmov} Y-{wiperWidth}
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G1 X-{xmov}
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G1 X-{xmov} Y+{wiperWidth}
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{% endfor %}
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G1 Y-{wiperWidth}
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{% for i in range(0,waves) %}
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G1 X{xmov}
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G1 X{xmov} Y+{wiperWidth}
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G1 X{xmov}
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G1 X{xmov} Y-{wiperWidth}
|
||||
{% endfor %}
|
||||
|
||||
G1 F{slowFeedrate}
|
||||
G1 Y+{wiperWidth}
|
||||
{% for i in range(0,waves) %}
|
||||
G1 X-{xmov*2} Y-{wiperWidth}
|
||||
G1 X-{xmov*2} Y+{wiperWidth}
|
||||
{% endfor %}
|
||||
G1 Y-{wiperWidth}
|
||||
{% for i in range(0,waves) %}
|
||||
G1 X{xmov*2} Y+{wiperWidth}
|
||||
G1 X{xmov*2} Y-{wiperWidth}
|
||||
{% endfor %}
|
||||
{% endfor %}
|
||||
{% endif %}
|
||||
|
||||
# ------------------------------------------------------------------------
|
||||
# Restore saved nozze target temperature & move to middle of bed
|
||||
# ------------------------------------------------------------------------
|
||||
{% if waitNozzleTempRestore == 0 %}
|
||||
SET_HEATER_TEMPERATURE HEATER=extruder TARGET={nozzleTargetTemperature}
|
||||
G1 Z{travelHeight} F3000
|
||||
{% else %}
|
||||
G1 Z{travelHeight} F3000
|
||||
{% if nozzleTargetTemperature <= 60 %} # Nozzle is considered cold, use fans at 100% for faster cooldown
|
||||
SET_HEATER_TEMPERATURE HEATER=extruder TARGET={nozzleTargetTemperature}
|
||||
M106 S255
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Nozzle was cold. Waiting for temperature to rise into 50-60c range..."
|
||||
{% endif %}
|
||||
TEMPERATURE_WAIT SENSOR=extruder MINIMUM={50} MAXIMUM={60}
|
||||
M106 S0
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Nozzle temperature reached target range (50-60c)."
|
||||
{% endif %}
|
||||
{% elif nozzleTargetTemperature > 60 and nozzleTargetTemperature < cleaningTemperature %} # Nozzle is preheated, use fans at 50% for faster cooldown
|
||||
SET_HEATER_TEMPERATURE HEATER=extruder TARGET={nozzleTargetTemperature}
|
||||
M106 S128
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Restoring nozzle temperature to {nozzleTargetTemperature}c. Please wait for stabilization..."
|
||||
{% endif %}
|
||||
TEMPERATURE_WAIT SENSOR=extruder MINIMUM={nozzleTargetTemperature} MAXIMUM={nozzleTargetTemperature+10}
|
||||
M106 S0
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Nozzle temperature stabilized at ~{nozzleTargetTemperature}c."
|
||||
{% endif %}
|
||||
{% elif nozzleTargetTemperature >= cleaningTemperature %} # Nozzle is hot, use no fans for faster heating
|
||||
SET_HEATER_TEMPERATURE HEATER=extruder TARGET={nozzleTargetTemperature}
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Restoring nozzle temperature to {nozzleTargetTemperature}c. Please wait for stabilization..."
|
||||
{% endif %}
|
||||
TEMPERATURE_WAIT SENSOR=extruder MINIMUM={nozzleTargetTemperature} MAXIMUM={nozzleTargetTemperature+10}
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Nozzle temperature stabilized at ~{nozzleTargetTemperature}c."
|
||||
{% endif %}
|
||||
{% endif %}
|
||||
G90
|
||||
G1 X{printer.toolhead.axis_maximum.x/2} Y{printer.toolhead.axis_maximum.y/2} F{travelFeedrate}
|
||||
{% endif %}
|
||||
|
||||
# ------------------------------------------------------------------------
|
||||
# Reset Acceleration
|
||||
# ------------------------------------------------------------------------
|
||||
SET_VELOCITY_LIMIT ACCEL={printer.configfile.config['printer']['max_accel']|float}
|
||||
|
||||
# ------------------------------------------------------------------------
|
||||
# Print finish message
|
||||
# ------------------------------------------------------------------------
|
||||
{% if debug == 1 %}
|
||||
RESPOND MSG="INFO: Nozzle cleaning sequence complete."
|
||||
{% endif %}
|
||||
{% endif %}
|
||||
Loading…
Add table
Add a link
Reference in a new issue