diff options
Diffstat (limited to 'xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp')
| -rw-r--r-- | xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp | 129 |
1 files changed, 63 insertions, 66 deletions
diff --git a/xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp b/xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp index 5aa6470a2..b49c2856b 100644 --- a/xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp +++ b/xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp @@ -21,7 +21,6 @@ TODO LIST #include <iostream> #include <vector> #include <numeric> -#include <algorithm> #include "Analyzer.hpp" @@ -138,7 +137,7 @@ public: width += m_layer_height * float(1. - M_PI / 4.); if (m_extrusions.empty() || m_extrusions.back().pos != rotated_current_pos) m_extrusions.emplace_back(WipeTower::Extrusion(rotated_current_pos, 0, m_current_tool)); - m_extrusions.emplace_back(WipeTower::Extrusion(WipeTower::xy(rot.x, rot.y), width, m_current_tool)); + m_extrusions.emplace_back(WipeTower::Extrusion(WipeTower::xy(rot.x, rot.y), width, m_current_tool)); } m_gcode += "G1"; @@ -231,6 +230,17 @@ public: Writer& retract(float e, float f = 0.f) { return load(-e, f); } +// Loads filament while also moving towards given points in x-axis (x feedrate is limited by cutting the distance short if necessary) + Writer& load_move_x_advanced(float farthest_x, float loading_dist, float loading_speed, float max_x_speed = 50.f) + { + float time = std::abs(loading_dist / loading_speed); + float x_speed = std::min(max_x_speed, std::abs(farthest_x - x()) / time); + float feedrate = 60.f * std::hypot(x_speed, loading_speed); + + float end_point = x() + (farthest_x > x() ? 1.f : -1.f) * x_speed * time; + return extrude_explicit(end_point, y(), loading_dist, feedrate); + } + // Elevate the extruder head above the current print_z position. Writer& z_hop(float hop, float f = 0.f) { @@ -276,12 +286,9 @@ public: // Set extruder temperature, don't wait by default. Writer& set_extruder_temp(int temperature, bool wait = false) { - if (temperature != current_temp) { - char buf[128]; - sprintf(buf, "M%d S%d\n", wait ? 109 : 104, temperature); - m_gcode += buf; - current_temp = temperature; - } + char buf[128]; + sprintf(buf, "M%d S%d\n", wait ? 109 : 104, temperature); + m_gcode += buf; return *this; }; @@ -399,8 +406,7 @@ private: int current_temp = -1; const float m_default_analyzer_line_width; - std::string - set_format_X(float x) + std::string set_format_X(float x) { char buf[64]; sprintf(buf, " X%.3f", x); @@ -475,7 +481,6 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime( // If false, the last priming are will be large enough to wipe the last extruder sufficiently. bool last_wipe_inside_wipe_tower) { - this->set_layer(first_layer_height, first_layer_height, tools.size(), true, false); this->m_current_tool = tools.front(); @@ -558,7 +563,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo { for (const auto &b : m_layer_info->tool_changes) if ( b.new_tool == tool ) { - wipe_volume = wipe_volumes[b.old_tool][b.new_tool]; + wipe_volume = b.wipe_volume; if (tool == m_layer_info->tool_changes.back().new_tool) last_change_in_layer = true; wipe_area = b.required_depth * m_layer_info->extra_spacing; @@ -783,51 +788,44 @@ void WipeTowerPrusaMM::toolchange_Unload( WipeTower::xy end_of_ramming(writer.x(),writer.y()); writer.change_analyzer_line_width(m_perimeter_width); // so the next lines are not affected by ramming_line_width_multiplier - // Pull the filament end to the BEGINNING of the cooling tube while still moving the print head - float oldx = writer.x(); - float turning_point = (!m_left_to_right ? std::max(xl,oldx-15.f) : std::min(xr,oldx+15.f) ); // so it's not too far - float xdist = std::abs(oldx-turning_point); - float edist = -(m_cooling_tube_retraction+m_cooling_tube_length/2.f-42); - + // Retraction: + float old_x = writer.x(); + float turning_point = (!m_left_to_right ? xl : xr ); + float total_retraction_distance = m_cooling_tube_retraction + m_cooling_tube_length/2.f - 15.f; // the 15mm is reserved for the first part after ramming writer.suppress_preview() - .load_move_x(turning_point,-15 , 60.f * std::hypot(xdist,15)/15 * 83 ) // fixed speed after ramming - .load_move_x(oldx ,edist , 60.f * std::hypot(xdist,edist)/std::abs(edist) * m_filpar[m_current_tool].unloading_speed ) - .load_move_x(turning_point,-15 , 60.f * std::hypot(xdist,15)/15 * m_filpar[m_current_tool].unloading_speed*0.55f ) - .load_move_x(oldx ,-12 , 60.f * std::hypot(xdist,12)/12 * m_filpar[m_current_tool].unloading_speed*0.35f ) + .load_move_x_advanced(turning_point, -15.f, 83.f, 50.f) // this is done at fixed speed + .load_move_x_advanced(old_x, -0.70f * total_retraction_distance, 1.0f * m_filpar[m_current_tool].unloading_speed) + .load_move_x_advanced(turning_point, -0.20f * total_retraction_distance, 0.5f * m_filpar[m_current_tool].unloading_speed) + .load_move_x_advanced(old_x, -0.10f * total_retraction_distance, 0.3f * m_filpar[m_current_tool].unloading_speed) + .travel(old_x, writer.y()) // in case previous move was shortened to limit feedrate .resume_preview(); - if (new_temperature != 0) // Set the extruder temperature, but don't wait. + if (new_temperature != 0 && new_temperature != m_old_temperature ) { // Set the extruder temperature, but don't wait. writer.set_extruder_temp(new_temperature, false); + m_old_temperature = new_temperature; + } -// cooling: - writer.suppress_preview(); - writer.travel(writer.x(), writer.y() + y_step); - const float start_x = writer.x(); - turning_point = ( xr-start_x > start_x-xl ? xr : xl ); - const float max_x_dist = 2*std::abs(start_x-turning_point); - const unsigned int N = 4 + std::max(0.f, (m_filpar[m_current_tool].cooling_time-14)/3); - float time = m_filpar[m_current_tool].cooling_time / float(N); - - i = 0; - while (i<N) { - const float speed = std::min(3.4,2.2 + i*0.3 + (i==0 ? 0 : 0.3)); // mm per second: 2.2, 2.8, 3.1, 3.4, 3.4, 3.4, ... - const float e_dist = std::min(speed * time,2*m_cooling_tube_length); // distance to travel - - // this move is the last one at this speed or someone set tube_length to zero - if (speed * time < 2*m_cooling_tube_length || m_cooling_tube_length<WT_EPSILON) { - ++i; - time = m_filpar[m_current_tool].cooling_time / float(N); - } - else - time -= e_dist / speed; // subtract time this part will really take - - // as for x, we will make sure the feedrate is at most 2000 - float x_dist = (turning_point - WT_EPSILON < xl ? -1.f : 1.f) * std::min(e_dist * (float)sqrt(pow(2000 / (60 * speed), 2) - 1),max_x_dist); - const float feedrate = std::hypot(e_dist, x_dist) / ((e_dist / speed) / 60.f); - writer.cool(start_x+x_dist/2.f,start_x,e_dist/2.f,-e_dist/2.f, feedrate); - } + // Cooling: + const int& number_of_moves = m_filpar[m_current_tool].cooling_moves; + if (number_of_moves > 0) { + const float& initial_speed = m_filpar[m_current_tool].cooling_initial_speed; + const float& final_speed = m_filpar[m_current_tool].cooling_final_speed; + + float speed_inc = (final_speed - initial_speed) / (2.f * number_of_moves - 1.f); + + writer.suppress_preview() + .travel(writer.x(), writer.y() + y_step); + old_x = writer.x(); + turning_point = xr-old_x > old_x-xl ? xr : xl; + for (int i=0; i<number_of_moves; ++i) { + float speed = initial_speed + speed_inc * 2*i; + writer.load_move_x_advanced(turning_point, m_cooling_tube_length, speed); + speed += speed_inc; + writer.load_move_x_advanced(old_x, -m_cooling_tube_length, speed); + } + } - // let's wait is necessary + // let's wait is necessary: writer.wait(m_filpar[m_current_tool].delay); // we should be at the beginning of the cooling tube again - let's move to parking position: writer.retract(-m_cooling_tube_length/2.f+m_parking_pos_retraction-m_cooling_tube_retraction, 2000); @@ -871,16 +869,16 @@ void WipeTowerPrusaMM::toolchange_Load( float oldx = writer.x(); // the nozzle is in place to do the first wiping moves, we will remember the position // Load the filament while moving left / right, so the excess material will not create a blob at a single position. - float loading_speed = m_filpar[m_current_tool].loading_speed; // mm/s in e axis float turning_point = ( oldx-xl < xr-oldx ? xr : xl ); - float dist = std::abs(oldx-turning_point); - float edist = m_parking_pos_retraction-50-2; // loading is 2mm shorter that previous retraction, 50mm reserved for acceleration/deceleration - writer.append("; CP TOOLCHANGE LOAD\n") + float edist = m_parking_pos_retraction+m_extra_loading_move; + + writer.append("; CP TOOLCHANGE LOAD\n") .suppress_preview() - .load_move_x(turning_point, 20, 60*std::hypot(dist,20.f)/20.f * loading_speed*0.3f) // Acceleration - .load_move_x(oldx,edist,60*std::hypot(dist,edist)/edist * loading_speed) // Fast phase - .load_move_x(turning_point, 20, 60*std::hypot(dist,20.f)/20.f * loading_speed*0.3f) // Slowing down - .load_move_x(oldx, 10, 60*std::hypot(dist,10.f)/10.f * loading_speed*0.1f) // Super slow + .load_move_x_advanced(turning_point, 0.2f * edist, 0.3f * m_filpar[m_current_tool].loading_speed) // Acceleration + .load_move_x_advanced(oldx, 0.5f * edist, m_filpar[m_current_tool].loading_speed) // Fast phase + .load_move_x_advanced(turning_point, 0.2f * edist, 0.3f * m_filpar[m_current_tool].loading_speed) // Slowing down + .load_move_x_advanced(oldx, 0.1f * edist, 0.1f * m_filpar[m_current_tool].loading_speed) // Super slow + .travel(oldx, writer.y()) // in case last move was shortened to limit x feedrate .resume_preview(); // Reset the extruder current to the normal value. @@ -1057,7 +1055,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::finish_layer() } // Appends a toolchange into m_plan and calculates neccessary depth of the corresponding box -void WipeTowerPrusaMM::plan_toolchange(float z_par, float layer_height_par, unsigned int old_tool, unsigned int new_tool,bool brim) +void WipeTowerPrusaMM::plan_toolchange(float z_par, float layer_height_par, unsigned int old_tool, unsigned int new_tool, bool brim, float wipe_volume) { assert(m_plan.back().z <= z_par + WT_EPSILON ); // refuses to add a layer below the last one @@ -1082,13 +1080,13 @@ void WipeTowerPrusaMM::plan_toolchange(float z_par, float layer_height_par, unsi float ramming_depth = depth; length_to_extrude = width*((length_to_extrude / width)-int(length_to_extrude / width)) - width; float first_wipe_line = -length_to_extrude; - length_to_extrude += volume_to_length(wipe_volumes[old_tool][new_tool], m_perimeter_width, layer_height_par); + length_to_extrude += volume_to_length(wipe_volume, m_perimeter_width, layer_height_par); length_to_extrude = std::max(length_to_extrude,0.f); depth += (int(length_to_extrude / width) + 1) * m_perimeter_width; depth *= m_extra_spacing; - m_plan.back().tool_changes.push_back(WipeTowerInfo::ToolChange(old_tool, new_tool, depth, ramming_depth,first_wipe_line)); + m_plan.back().tool_changes.push_back(WipeTowerInfo::ToolChange(old_tool, new_tool, depth, ramming_depth, first_wipe_line, wipe_volume)); } @@ -1128,7 +1126,7 @@ void WipeTowerPrusaMM::save_on_last_wipe() float width = m_wipe_tower_width - 3*m_perimeter_width; // width we draw into float length_to_save = 2*(m_wipe_tower_width+m_wipe_tower_depth) + (!layer_finished() ? finish_layer().total_extrusion_length_in_plane() : 0.f); - float length_to_wipe = volume_to_length(wipe_volumes[m_layer_info->tool_changes.back().old_tool][m_layer_info->tool_changes.back().new_tool], + float length_to_wipe = volume_to_length(m_layer_info->tool_changes.back().wipe_volume, m_perimeter_width,m_layer_info->height) - m_layer_info->tool_changes.back().first_wipe_line - length_to_save; length_to_wipe = std::max(length_to_wipe,0.f); @@ -1145,7 +1143,8 @@ void WipeTowerPrusaMM::save_on_last_wipe() void WipeTowerPrusaMM::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &result) { if (m_plan.empty()) - return; + + return; m_extra_spacing = 1.f; @@ -1165,8 +1164,6 @@ void WipeTowerPrusaMM::generate(std::vector<std::vector<WipeTower::ToolChangeRes for (auto layer : m_plan) { set_layer(layer.z,layer.height,0,layer.z == m_plan.front().z,layer.z == m_plan.back().z); - - if (m_peters_wipe_tower) m_wipe_tower_rotation_angle += 90.f; else |