Auto speed prints very slow
I am trying to use auto speed so that I can get the max volume flow from my hot end. I have max volume flow set to 10 mm^3/s and max print speed set to 120 mm/s. When I slice though, everything is 15 or 8 mm/s besides the brim and gap fill but volume flow is around 1 mm^3/s. What do I need to change?
# generated by PrusaSlicer 2.3.0+win64 on 2022-03-07 at 06:25:08 UTC avoid_crossing_perimeters = 0 avoid_crossing_perimeters_max_detour = 0 bottom_fill_pattern = monotonic bottom_solid_layers = 3 bottom_solid_min_thickness = 0 bridge_acceleration = 0 bridge_angle = 0 bridge_flow_ratio = 1 bridge_speed = 80 brim_width = 3 clip_multipart_objects = 1 compatible_printers = compatible_printers_condition = complete_objects = 0 default_acceleration = 0 dont_support_bridges = 1 draft_shield = 0 elefant_foot_compensation = 0.1 ensure_vertical_shell_thickness = 0 external_perimeter_extrusion_width = 0 external_perimeter_speed = 0 external_perimeters_first = 0 extra_perimeters = 1 extruder_clearance_height = 20 extruder_clearance_radius = 20 extrusion_width = 0 fill_angle = 45 fill_density = 20% fill_pattern = rectilinear first_layer_acceleration = 0 first_layer_extrusion_width = 200% first_layer_height = 0.3 first_layer_speed = 50% gap_fill_speed = 40 gcode_comments = 0 gcode_label_objects = 0 infill_acceleration = 0 infill_anchor = 600% infill_anchor_max = 50 infill_every_layers = 2 infill_extruder = 1 infill_extrusion_width = 0 infill_first = 0 infill_only_where_needed = 0 infill_overlap = 25% infill_speed = 0 inherits = interface_shells = 0 ironing = 0 ironing_flowrate = 15% ironing_spacing = 0.1 ironing_speed = 15 ironing_type = top layer_height = 0.2 max_print_speed = 120 max_volumetric_speed = 10 min_skirt_length = 0 notes = only_retract_when_crossing_perimeters = 1 ooze_prevention = 0 output_filename_format = [input_filename_base].gcode overhangs = 1 perimeter_acceleration = 0 perimeter_extruder = 1 perimeter_extrusion_width = 0 perimeter_speed = 0 perimeters = 3 post_process = print_settings_id = raft_layers = 0 resolution = 0 seam_position = aligned single_extruder_multi_material_priming = 1 skirt_distance = 6 skirt_height = 1 skirts = 0 slice_closing_radius = 0.049 small_perimeter_speed = 0 solid_infill_below_area = 70 solid_infill_every_layers = 0 solid_infill_extruder = 1 solid_infill_extrusion_width = 0 solid_infill_speed = 0 spiral_vase = 0 standby_temperature_delta = -5 support_material = 0 support_material_angle = 0 support_material_auto = 1 support_material_buildplate_only = 1 support_material_contact_distance = 0.25 support_material_enforce_layers = 0 support_material_extruder = 1 support_material_extrusion_width = 0 support_material_interface_contact_loops = 0 support_material_interface_extruder = 1 support_material_interface_layers = 3 support_material_interface_spacing = 0 support_material_interface_speed = 100% support_material_pattern = rectilinear support_material_spacing = 2.5 support_material_speed = 80 support_material_synchronize_layers = 0 support_material_threshold = 0 support_material_with_sheath = 1 support_material_xy_spacing = 75% thin_walls = 1 threads = 8 top_fill_pattern = monotonic top_infill_extrusion_width = 0 top_solid_infill_speed = 0 top_solid_layers = 3 top_solid_min_thickness = 0 travel_speed = 130 wipe_tower = 0 wipe_tower_bridging = 10 wipe_tower_no_sparse_layers = 0 wipe_tower_rotation_angle = 0 wipe_tower_width = 60 wipe_tower_x = 180 wipe_tower_y = 140 xy_size_compensation = 0
RE: Auto speed prints very slow
Best to save the project as a 3mf file, zip it (or forum software won't accept it) and attach it to your post. This way we have the STL and all settings easily accessible and you'll get more educated advice.
RE: Auto speed prints very slow
What fuchsr said, post a zipped project file. Initial guess though without any info is you will have gapfill enabled and theres a known 'interesting' issue around the auto speeds when gapfill is involved.
Don't have time to find it at the moment but theres at least one github issue about it.
RE:
What fuchsr said, post a zipped project file. Initial guess though without any info is you will have gapfill enabled and theres a known 'interesting' issue around the auto speeds when gapfill is involved.
Don't have time to find it at the moment but theres at least one github issue about it.
Yeah that was part of it at least, after disabling gap fill it sliced up to around 50 mm/s but still doesn't hit the speed or volumetric limits.
Best to save the project as a 3mf file, zip it (or forum software won't accept it) and attach it to your post. This way we have the STL and all settings easily accessible and you'll get more educated advice.
I attached the 3mf. Let me know what you think.