speed tuning
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printer.cfg
118
printer.cfg
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@ -15,8 +15,8 @@ canbus_uuid: 6e5db542668c
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[printer]
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kinematics: corexy
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max_velocity: 1000
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max_accel: 20000
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max_velocity: 700
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max_accel: 25000
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max_z_velocity: 20
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max_z_accel: 350
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square_corner_velocity: 5.0
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@ -441,7 +441,7 @@ points:
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speed: 500
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horizontal_move_z: 10
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retries: 10
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retry_tolerance: 0.01
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retry_tolerance: 0.02
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max_adjust: 15
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[bed_mesh]
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@ -613,6 +613,118 @@ gcode:
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SET_FAN_SPEED FAN=exhaust_fan SPEED={speed}
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{% endif %}
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# Home, get position, throw around toolhead, home again.
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# If MCU stepper positions (first line in GET_POSITION) are greater than a full step different (your number of microsteps), then skipping occured.
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# We only measure to a full step to accomodate for endstop variance.
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# Example: TEST_SPEED SPEED=300 ACCEL=5000 ITERATIONS=10
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[gcode_macro TEST_SPEED]
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gcode:
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# Speed
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{% set speed = params.SPEED|default(printer.configfile.settings.printer.max_velocity)|int %}
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# Iterations
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{% set iterations = params.ITERATIONS|default(5)|int %}
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# Acceleration
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{% set accel = params.ACCEL|default(printer.configfile.settings.printer.max_accel)|int %}
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# Bounding inset for large pattern (helps prevent slamming the toolhead into the sides after small skips, and helps to account for machines with imperfectly set dimensions)
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{% set bound = params.BOUND|default(20)|int %}
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# Size for small pattern box
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{% set smallpatternsize = SMALLPATTERNSIZE|default(20)|int %}
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# Large pattern
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# Max positions, inset by BOUND
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{% set x_min = printer.toolhead.axis_minimum.x + bound %}
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{% set x_max = printer.toolhead.axis_maximum.x - bound %}
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{% set y_min = printer.toolhead.axis_minimum.y + bound %}
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{% set y_max = printer.toolhead.axis_maximum.y - bound %}
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# Small pattern at center
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# Find X/Y center point
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{% set x_center = (printer.toolhead.axis_minimum.x|float + printer.toolhead.axis_maximum.x|float ) / 2 %}
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{% set y_center = (printer.toolhead.axis_minimum.y|float + printer.toolhead.axis_maximum.y|float ) / 2 %}
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# Set small pattern box around center point
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{% set x_center_min = x_center - (smallpatternsize/2) %}
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{% set x_center_max = x_center + (smallpatternsize/2) %}
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{% set y_center_min = y_center - (smallpatternsize/2) %}
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{% set y_center_max = y_center + (smallpatternsize/2) %}
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# Save current gcode state (absolute/relative, etc)
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SAVE_GCODE_STATE NAME=TEST_SPEED
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# Output parameters to g-code terminal
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{ action_respond_info("TEST_SPEED: starting %d iterations at speed %d, accel %d" % (iterations, speed, accel)) }
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# Home and get position for comparison later:
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M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
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G28
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# QGL if not already QGLd (only if QGL section exists in config)
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{% if printer.configfile.settings.quad_gantry_level %}
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{% if printer.quad_gantry_level.applied == False %}
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QUAD_GANTRY_LEVEL
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G28 Z
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{% endif %}
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{% endif %}
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# Move 50mm away from max position and home again (to help with hall effect endstop accuracy - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/24)
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G90
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G1 X{printer.toolhead.axis_maximum.x-50} Y{printer.toolhead.axis_maximum.y-50} F{30*60}
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M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
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G28 X Y
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G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
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G4 P1000
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GET_POSITION
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# Go to starting position
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G0 X{x_min} Y{y_min} Z{bound + 10} F{speed*60}
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# Set new limits
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SET_VELOCITY_LIMIT VELOCITY={speed} ACCEL={accel} ACCEL_TO_DECEL={accel / 2}
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{% for i in range(iterations) %}
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# Large pattern diagonals
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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# Large pattern box
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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# Small pattern diagonals
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_max} Y{y_center_max} F{speed*60}
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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G0 X{x_center_min} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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# Small patternbox
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_min} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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{% endfor %}
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# Restore max speed/accel/accel_to_decel to their configured values
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SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity} ACCEL={printer.configfile.settings.printer.max_accel} ACCEL_TO_DECEL={printer.configfile.settings.printer.max_accel_to_decel}
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# Re-home and get position again for comparison:
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M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
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G28 # This is a full G28 to fix an issue with CoreXZ - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/12
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# Go to XY home positions (in case your homing override leaves it elsewhere)
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G90
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G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
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G4 P1000
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GET_POSITION
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# Restore previous gcode state (absolute/relative, etc)
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RESTORE_GCODE_STATE NAME=TEST_SPEED
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#####################################################################
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# Palette 2
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#####################################################################
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