3DPrinting/PrusaSlicer-NonPlainar
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The wipe tower now respects filament max volumetric flow

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The odd commands that lowered the speed override values for PVA, FLEX etc. were removed

Now the wipe tower backups user speed override, sets it to 100%, does what is needed
and restores the old value when finished. There are no special cases - lowering
the speed for certain materials can be achieved by lowering the volumetric flow.
This commit is contained in:
Lukas Matena 2019-06-10 12:26:47 +02:00
parent 6f7051c3b1
commit 079e63e190
3 changed files with 46 additions and 59 deletions
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45
src/libslic3r/GCode/WipeTowerPrusaMM.cpp
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@ -40,7 +40,7 @@ namespace PrusaMultiMaterial {
class Writer
{
public:
Writer(float layer_height, float line_width, GCodeFlavor flavor) :
Writer(float layer_height, float line_width, GCodeFlavor flavor, const std::vector<WipeTowerPrusaMM::FilamentParameters>& filament_parameters) :
m_current_pos(std::numeric_limits<float>::max(), std::numeric_limits<float>::max()),
m_current_z(0.f),
m_current_feedrate(0.f),
@ -49,7 +49,8 @@ public:
m_preview_suppressed(false),
m_elapsed_time(0.f),
m_default_analyzer_line_width(line_width),
m_gcode_flavor(flavor)
m_gcode_flavor(flavor),
m_filpar(filament_parameters)
{
// adds tag for analyzer:
char buf[64];
@ -125,7 +126,7 @@ public:
float get_and_reset_used_filament_length() { float temp = m_used_filament_length; m_used_filament_length = 0.f; return temp; }
// Extrude with an explicitely provided amount of extrusion.
Writer& extrude_explicit(float x, float y, float e, float f = 0.f, bool record_length = false)
Writer& extrude_explicit(float x, float y, float e, float f = 0.f, bool record_length = false, bool limit_volumetric_flow = true)
{
if (x == m_current_pos.x && y == m_current_pos.y && e == 0.f && (f == 0.f || f == m_current_feedrate))
// Neither extrusion nor a travel move.
@ -164,8 +165,13 @@ public:
if (e != 0.f)
m_gcode += set_format_E(e);
if (f != 0.f && f != m_current_feedrate)
if (f != 0.f && f != m_current_feedrate) {
if (limit_volumetric_flow) {
float e_speed = e / (((len == 0) ? std::abs(e) : len) / f * 60.f);
f /= std::max(1.f, e_speed / m_filpar[m_current_tool].max_e_speed);
}
m_gcode += set_format_F(f);
}
m_current_pos.x = x;
m_current_pos.y = y;
@ -176,7 +182,7 @@ public:
return *this;
}
Writer& extrude_explicit(const WipeTower::xy &dest, float e, float f = 0.f, bool record_length = false)
Writer& extrude_explicit(const WipeTower::xy &dest, float e, float f = 0.f, bool record_length = false, bool limit_volumetric_flow = true)
{ return extrude_explicit(dest.x, dest.y, e, f, record_length); }
// Travel to a new XY position. f=0 means use the current value.
@ -273,8 +279,8 @@ public:
// extrude quickly amount e to x2 with feed f.
Writer& ram(float x1, float x2, float dy, float e0, float e, float f)
{
extrude_explicit(x1, m_current_pos.y + dy, e0, f, true);
extrude_explicit(x2, m_current_pos.y, e, 0.f, true);
extrude_explicit(x1, m_current_pos.y + dy, e0, f, true, false);
extrude_explicit(x2, m_current_pos.y, e, 0.f, true, false);
return *this;
}
@ -422,6 +428,7 @@ private:
const float m_default_analyzer_line_width;
float m_used_filament_length = 0.f;
GCodeFlavor m_gcode_flavor;
const std::vector<WipeTowerPrusaMM::FilamentParameters>& m_filpar;
std::string set_format_X(float x)
{
@ -528,14 +535,13 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
const float prime_section_width = std::min(240.f / tools.size(), 60.f);
box_coordinates cleaning_box(xy(5.f, 0.01f + m_perimeter_width/2.f), prime_section_width, 100.f);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor, m_filpar);
writer.set_extrusion_flow(m_extrusion_flow)
.set_z(m_z_pos)
.set_initial_tool(m_current_tool)
.append(";--------------------\n"
"; CP PRIMING START\n")
.append(";--------------------\n");
if (m_retain_speed_override)
writer.speed_override_backup();
writer.speed_override(100);
@ -571,7 +577,6 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
// Reset the extruder current to a normal value.
if (m_set_extruder_trimpot)
writer.set_extruder_trimpot(550);
if (m_retain_speed_override)
writer.speed_override_restore();
writer.feedrate(6000)
.flush_planner_queue()
@ -630,7 +635,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
(tool != (unsigned int)(-1) ? /*m_layer_info->depth*/wipe_area+m_depth_traversed-0.5*m_perimeter_width
: m_wipe_tower_depth-m_perimeter_width));
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor, m_filpar);
writer.set_extrusion_flow(m_extrusion_flow)
.set_z(m_z_pos)
.set_initial_tool(m_current_tool)
@ -640,7 +645,6 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
.comment_with_value(" toolchange #", m_num_tool_changes + 1) // the number is zero-based
.comment_material(m_filpar[m_current_tool].material)
.append(";--------------------\n");
if (m_retain_speed_override)
writer.speed_override_backup();
writer.speed_override(100);
@ -679,7 +683,6 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
if (m_set_extruder_trimpot)
writer.set_extruder_trimpot(550); // Reset the extruder current to a normal value.
if (m_retain_speed_override)
writer.speed_override_restore();
writer.feedrate(6000)
.flush_planner_queue()
@ -711,7 +714,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::toolchange_Brim(bool sideOnly, flo
m_wipe_tower_width,
m_wipe_tower_depth);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor, m_filpar);
writer.set_extrusion_flow(m_extrusion_flow * 1.1f)
.set_z(m_z_pos) // Let the writer know the current Z position as a base for Z-hop.
.set_initial_tool(m_current_tool)
@ -917,19 +920,7 @@ void WipeTowerPrusaMM::toolchange_Change(
if (m_current_tool < m_used_filament_length.size())
m_used_filament_length[m_current_tool] += writer.get_and_reset_used_filament_length();
// Speed override for the material. Go slow for flex and soluble materials.
int speed_override;
switch (new_material) {
case PVA: speed_override = (m_z_pos < 0.80f) ? 60 : 80; break;
case SCAFF: speed_override = 35; break;
case FLEX: speed_override = 35; break;
default: speed_override = 100;
}
writer.set_tool(new_tool);
if (m_retain_speed_override)
assert(speed_override == 100);
else
writer.speed_override(speed_override);
writer.flush_planner_queue();
m_current_tool = new_tool;
}
@ -1040,7 +1031,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::finish_layer()
// Otherwise the caller would likely travel to the wipe tower in vain.
assert(! this->layer_finished());
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor);
PrusaMultiMaterial::Writer writer(m_layer_height, m_perimeter_width, m_gcode_flavor, m_filpar);
writer.set_extrusion_flow(m_extrusion_flow)
.set_z(m_z_pos)
.set_initial_tool(m_current_tool)

47
src/libslic3r/GCode/WipeTowerPrusaMM.hpp
View File

@ -73,17 +73,12 @@ public:
// Set the extruder properties.
void set_extruder(size_t idx, material_type material, int temp, int first_layer_temp, float loading_speed, float loading_speed_start,
float unloading_speed, float unloading_speed_start, float delay, int cooling_moves,
float cooling_initial_speed, float cooling_final_speed, std::string ramming_parameters, float nozzle_diameter)
float cooling_initial_speed, float cooling_final_speed, std::string ramming_parameters, float max_volumetric_speed, float nozzle_diameter)
{
//while (m_filpar.size() < idx+1) // makes sure the required element is in the vector
m_filpar.push_back(FilamentParameters());
m_filpar[idx].material = material;
if (material == FLEX || material == SCAFF || material == PVA) {
// MMU2 lowers the print speed using the speed override (M220) for printing of soluble PVA/BVOH and flex materials.
// Therefore it does not make sense to use the new M220 B and M220 R (backup / restore).
m_retain_speed_override = false;
}
m_filpar[idx].temperature = temp;
m_filpar[idx].first_layer_temperature = first_layer_temp;
m_filpar[idx].loading_speed = loading_speed;
@ -94,6 +89,8 @@ public:
m_filpar[idx].cooling_moves = cooling_moves;
m_filpar[idx].cooling_initial_speed = cooling_initial_speed;
m_filpar[idx].cooling_final_speed = cooling_final_speed;
if (max_volumetric_speed != 0.f)
m_filpar[idx].max_e_speed = (max_volumetric_speed / Filament_Area);
m_filpar[idx].nozzle_diameter = nozzle_diameter; // to be used in future with (non-single) multiextruder MM
m_perimeter_width = nozzle_diameter * Width_To_Nozzle_Ratio; // all extruders are now assumed to have the same diameter
@ -188,6 +185,24 @@ public:
virtual std::vector<float> get_used_filament() const override { return m_used_filament_length; }
virtual int get_number_of_toolchanges() const override { return m_num_tool_changes; }
struct FilamentParameters {
material_type material = PLA;
int temperature = 0;
int first_layer_temperature = 0;
float loading_speed = 0.f;
float loading_speed_start = 0.f;
float unloading_speed = 0.f;
float unloading_speed_start = 0.f;
float delay = 0.f ;
int cooling_moves = 0;
float cooling_initial_speed = 0.f;
float cooling_final_speed = 0.f;
float ramming_line_width_multiplicator = 0.f;
float ramming_step_multiplicator = 0.f;
float max_e_speed = std::numeric_limits<float>::max();
std::vector<float> ramming_speed;
float nozzle_diameter;
};
private:
WipeTowerPrusaMM();
@ -224,32 +239,12 @@ private:
float m_extra_loading_move = 0.f;
float m_bridging = 0.f;
bool m_set_extruder_trimpot = false;
bool m_retain_speed_override = true;
bool m_adhesion = true;
GCodeFlavor m_gcode_flavor;
float m_perimeter_width = 0.4f * Width_To_Nozzle_Ratio; // Width of an extrusion line, also a perimeter spacing for 100% infill.
float m_extrusion_flow = 0.038f; //0.029f;// Extrusion flow is derived from m_perimeter_width, layer height and filament diameter.
struct FilamentParameters {
material_type material = PLA;
int temperature = 0;
int first_layer_temperature = 0;
float loading_speed = 0.f;
float loading_speed_start = 0.f;
float unloading_speed = 0.f;
float unloading_speed_start = 0.f;
float delay = 0.f ;
int cooling_moves = 0;
float cooling_initial_speed = 0.f;
float cooling_final_speed = 0.f;
float ramming_line_width_multiplicator = 0.f;
float ramming_step_multiplicator = 0.f;
std::vector<float> ramming_speed;
float nozzle_diameter;
};
// Extruder specific parameters.
std::vector<FilamentParameters> m_filpar;

3
src/libslic3r/Print.cpp
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@ -121,7 +121,6 @@ bool Print::invalidate_state_by_config_options(const std::vector<t_config_option
"filament_density",
"filament_notes",
"filament_cost",
"filament_max_volumetric_speed",
"first_layer_acceleration",
"first_layer_bed_temperature",
"first_layer_speed",
@ -216,6 +215,7 @@ bool Print::invalidate_state_by_config_options(const std::vector<t_config_option
|| opt_key == "filament_cooling_initial_speed"
|| opt_key == "filament_cooling_final_speed"
|| opt_key == "filament_ramming_parameters"
|| opt_key == "filament_max_volumetric_speed"
|| opt_key == "gcode_flavor"
|| opt_key == "high_current_on_filament_swap"
|| opt_key == "infill_first"
@ -1822,6 +1822,7 @@ void Print::_make_wipe_tower()
m_config.filament_cooling_initial_speed.get_at(i),
m_config.filament_cooling_final_speed.get_at(i),
m_config.filament_ramming_parameters.get_at(i),
m_config.filament_max_volumetric_speed.get_at(i),
m_config.nozzle_diameter.get_at(i));
m_wipe_tower_data.priming = Slic3r::make_unique<WipeTower::ToolChangeResult>(