juli/OrcaSlicer
1
1
Fork 0
mirror of https://github.com/OrcaSlicer/OrcaSlicer.git synced 2026-07-23 02:42:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

WipeTower: add per_cooling_max_speed clamping for H2C extruder changes

Browse Source 
Clamp ramming speed during extruder changes so the departing nozzle
has enough time to reach precool_target_temp before carousel rotation.
Only applies to extruder changes (not carousel nozzle changes).

Reference to BBS: BambuStudio/src/libslic3r/GCode/WipeTower.cpp
ramming() L3449-3462
This commit is contained in:
denis svinarchuk
2026-07-16 22:40:27 +01:00
parent da2ea10fe4
commit 11f900aa2e
1 changed files with 21 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/libslic3r/GCode/WipeTower.cpp
View File

@@ -3135,6 +3135,27 @@ WipeTower::NozzleChangeResult WipeTower::nozzle_change_new(int old_filament_id,
dy = solid_infill ? m_nozzle_change_perimeter_width : dy;
nozzle_change_line_count = solid_infill ? std::numeric_limits<int>::max() : nozzle_change_line_count;
m_left_to_right = true;
// Vortek H2C: per_cooling_max_speed — clamp ramming speed by cooldown time
// so departing nozzle reaches precool_target_temp before carousel rotation.
// Reference to BBS: BambuStudio/src/libslic3r/GCode/WipeTower.cpp ramming() L3449-3462
// BBS: "nozzle change does not require forcing a cooldown" — only extruder changes need this.
if (extruder_change) {
float ramming_length = nozzle_change_line_count * (xr - xl);
int extruder_id = m_filament_map.empty() ? 0 : m_filament_map[m_current_tool] - 1;
float precool_t = (extruder_id >= 0 && extruder_id < (int)m_filpar[m_current_tool].precool_t.first.size())
? m_filpar[m_current_tool].precool_t.first[extruder_id] : 0.f;
float precool_t_fl = (extruder_id >= 0 && extruder_id < (int)m_filpar[m_current_tool].precool_t_first_layer.first.size())
? m_filpar[m_current_tool].precool_t_first_layer.first[extruder_id] : 0.f;
float per_cooling_max_speed = nozzle_change_speed;
if (is_first_layer() && precool_t_fl > EPSILON)
per_cooling_max_speed = ramming_length / precool_t_fl * 60.f;
else if (precool_t > EPSILON)
per_cooling_max_speed = ramming_length / precool_t * 60.f;
if (nozzle_change_speed > per_cooling_max_speed) nozzle_change_speed = per_cooling_max_speed;
if (bridge_speed > per_cooling_max_speed) bridge_speed = per_cooling_max_speed;
}
int real_nozzle_change_line_count = 0;
bool need_change_flow = false;
for (int i = 0; true; ++i) {