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ENH: support force cooling for outer wall only

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For PA-cf material, forcing cooling for all outer
wall and using lower fan speed for infill and inner
wall can get more high strength.

Add this cooling strategy.

When set overhang fan threshold to be 0%, then bridge
and all outer wall will be force to cool with
the overhang fan speed.

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: Ideed1ac8690f1eeb68aad760678db76bb4dae8ec
This commit is contained in:
salt.wei 2022-10-19 12:29:35 +08:00 • committed by Lane.Wei
parent 5aee1505a6
commit 47302b0cf9
6 changed files with 57 additions and 23 deletions
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4
resources/profiles/BBL/filament/Bambu PA-CF @BBL X1C.json
View file

@ -15,13 +15,13 @@
"290" "290"
], ],
"fan_max_speed": [ "fan_max_speed": [
"40" "30"
], ],
"fan_min_speed": [ "fan_min_speed": [
"10" "10"
], ],
"fan_cooling_layer_time": [ "fan_cooling_layer_time": [
"6" "5"
], ],
"full_fan_speed_layer": [ "full_fan_speed_layer": [
"2" "2"

6
resources/profiles/BBL/filament/Bambu PA-CF @base.json
View file

@ -20,6 +20,12 @@
"nozzle_temperature_initial_layer": [ "nozzle_temperature_initial_layer": [
"280" "280"
], ],
"overhang_fan_threshold": [
"0%"
],
"overhang_fan_speed": [
"40"
],
"filament_type": [ "filament_type": [
"PA-CF" "PA-CF"
], ],

18
resources/profiles/BBL/filament/Generic PA-CF.json
View file

@ -19,23 +19,23 @@
"8" "8"
], ],
"fan_max_speed": [ "fan_max_speed": [
"40" "30"
], ],
"fan_min_speed": [ "fan_min_speed": [
"10" "10"
], ],
"fan_cooling_layer_time": [ "fan_cooling_layer_time": [
"6" "5"
], ],
"full_fan_speed_layer": [ "full_fan_speed_layer": [
"2" "2"
], ],
"compatible_printers": [ "compatible_printers": [
"Bambu Lab X1 Carbon 0.4 nozzle", "Bambu Lab X1 Carbon 0.4 nozzle",
"Bambu Lab X1 Carbon 0.6 nozzle", "Bambu Lab X1 Carbon 0.6 nozzle",
"Bambu Lab X1 Carbon 0.8 nozzle", "Bambu Lab X1 Carbon 0.8 nozzle",
"Bambu Lab X1 0.4 nozzle", "Bambu Lab X1 0.4 nozzle",
"Bambu Lab X1 0.6 nozzle", "Bambu Lab X1 0.6 nozzle",
"Bambu Lab X1 0.8 nozzle" "Bambu Lab X1 0.8 nozzle"
] ]
} }

38
src/libslic3r/GCode.cpp
View file

@ -3674,11 +3674,21 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
std::string comment; std::string comment;
if (m_enable_cooling_markers) { if (m_enable_cooling_markers) {
if (EXTRUDER_CONFIG(enable_overhang_bridge_fan) && if (EXTRUDER_CONFIG(enable_overhang_bridge_fan)) {
(path.get_overhang_degree() > EXTRUDER_CONFIG(overhang_fan_threshold) || is_bridge(path.role()))) //BBS: Overhang_threshold_none means Overhang_threshold_1_4 and forcing cooling for all external perimeter
gcode += ";_OVERHANG_FAN_START\n"; int overhang_threshold = EXTRUDER_CONFIG(overhang_fan_threshold) == Overhang_threshold_none ?
else Overhang_threshold_none : EXTRUDER_CONFIG(overhang_fan_threshold) - 1;
if ((EXTRUDER_CONFIG(overhang_fan_threshold) == Overhang_threshold_none && path.role() == erExternalPerimeter) ||
path.get_overhang_degree() > overhang_threshold ||
is_bridge(path.role()))
gcode += ";_OVERHANG_FAN_START\n";
else
comment = ";_EXTRUDE_SET_SPEED";
}
else {
comment = ";_EXTRUDE_SET_SPEED"; comment = ";_EXTRUDE_SET_SPEED";
}
if (path.role() == erExternalPerimeter) if (path.role() == erExternalPerimeter)
comment += ";_EXTERNAL_PERIMETER"; comment += ";_EXTERNAL_PERIMETER";
} }
@ -3742,10 +3752,22 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
} }
} }
} }
if (m_enable_cooling_markers) if (m_enable_cooling_markers) {
gcode += (EXTRUDER_CONFIG(enable_overhang_bridge_fan) && if (EXTRUDER_CONFIG(enable_overhang_bridge_fan)) {
(is_bridge(path.role()) || path.get_overhang_degree() > EXTRUDER_CONFIG(overhang_fan_threshold))) ? //BBS: Overhang_threshold_none means Overhang_threshold_1_4 and forcing cooling for all external perimeter
";_OVERHANG_FAN_END\n" : ";_EXTRUDE_END\n"; int overhang_threshold = EXTRUDER_CONFIG(overhang_fan_threshold) == Overhang_threshold_none ?
Overhang_threshold_none : EXTRUDER_CONFIG(overhang_fan_threshold) - 1;
if ((EXTRUDER_CONFIG(overhang_fan_threshold) == Overhang_threshold_none && path.role() == erExternalPerimeter) ||
path.get_overhang_degree() > overhang_threshold ||
is_bridge(path.role()))
gcode += ";_OVERHANG_FAN_END\n";
else
gcode += ";_EXTRUDE_END\n";
}
else {
gcode += ";_EXTRUDE_END\n";
}
}
this->set_last_pos(path.last_point()); this->set_last_pos(path.last_point());
return gcode; return gcode;

9
src/libslic3r/PrintConfig.cpp
View file

@ -259,12 +259,14 @@ static const t_config_enum_values s_keys_map_ForwardCompatibilitySubstitutionRul
CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(ForwardCompatibilitySubstitutionRule) CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(ForwardCompatibilitySubstitutionRule)
static const t_config_enum_values s_keys_map_OverhangFanThreshold = { static const t_config_enum_values s_keys_map_OverhangFanThreshold = {
{ "0%", Overhang_threshold_none },
{ "5%", Overhang_threshold_1_4 }, { "5%", Overhang_threshold_1_4 },
{ "25%", Overhang_threshold_2_4 }, { "25%", Overhang_threshold_2_4 },
{ "50%", Overhang_threshold_3_4 }, { "50%", Overhang_threshold_3_4 },
{ "75%", Overhang_threshold_4_4 }, { "75%", Overhang_threshold_4_4 },
{ "95%", Overhang_threshold_bridge } { "95%", Overhang_threshold_bridge }
}; };
CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(OverhangFanThreshold)
// BBS // BBS
static const t_config_enum_values s_keys_map_BedType = { static const t_config_enum_values s_keys_map_BedType = {
@ -628,15 +630,18 @@ void PrintConfigDef::init_fff_params()
def = this->add("overhang_fan_threshold", coEnums); def = this->add("overhang_fan_threshold", coEnums);
def->label = L("Cooling overhang threshold"); def->label = L("Cooling overhang threshold");
def->tooltip = L("Force cooling fan to be specific speed when overhang degree of printed part exceeds this value. " def->tooltip = L("Force cooling fan to be specific speed when overhang degree of printed part exceeds this value. "
"Expressed as percentage which indicides how much width of the line without support from lower layer"); "Expressed as percentage which indicides how much width of the line without support from lower layer. "
"0% means forcing cooling for all outer wall no matter how much overhang degree");
def->sidetext = L(""); def->sidetext = L("");
def->enum_keys_map = &s_keys_map_OverhangFanThreshold; def->enum_keys_map = &ConfigOptionEnum<OverhangFanThreshold>::get_enum_values();
def->mode = comAdvanced; def->mode = comAdvanced;
def->enum_values.emplace_back("0%");
def->enum_values.emplace_back("5%"); def->enum_values.emplace_back("5%");
def->enum_values.emplace_back("25%"); def->enum_values.emplace_back("25%");
def->enum_values.emplace_back("50%"); def->enum_values.emplace_back("50%");
def->enum_values.emplace_back("75%"); def->enum_values.emplace_back("75%");
def->enum_values.emplace_back("95%"); def->enum_values.emplace_back("95%");
def->enum_labels.emplace_back("0%");
def->enum_labels.emplace_back("10%"); def->enum_labels.emplace_back("10%");
def->enum_labels.emplace_back("25%"); def->enum_labels.emplace_back("25%");
def->enum_labels.emplace_back("50%"); def->enum_labels.emplace_back("50%");

3
src/libslic3r/PrintConfig.hpp
View file

@ -157,7 +157,8 @@ enum DraftShield {
// BBS // BBS
enum OverhangFanThreshold { enum OverhangFanThreshold {
Overhang_threshold_1_4 = 0, Overhang_threshold_none = 0,
Overhang_threshold_1_4,
Overhang_threshold_2_4, Overhang_threshold_2_4,
Overhang_threshold_3_4, Overhang_threshold_3_4,
Overhang_threshold_4_4, Overhang_threshold_4_4,