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Code Issues Releases Wiki Activity

🐛 Fix Dual Servo Toolchange Z Creep (#27381)

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InsanityAutomation 2024-09-10 04:07:44 -04:00 committed by GitHub
parent 6528109176
commit b99a26d6ab
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1 changed files with 11 additions and 11 deletions
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22
Marlin/src/module/tool_change.cpp
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@ -1225,8 +1225,6 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
}
#endif
TERN_(SWITCHING_NOZZLE_TWO_SERVOS, raise_nozzle(old_tool));
REMEMBER(fr, feedrate_mm_s, XY_PROBE_FEEDRATE_MM_S);
#if HAS_SOFTWARE_ENDSTOPS
@ -1290,20 +1288,23 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
magnetic_switching_toolhead_tool_change(new_tool, no_move);
#elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD) // Magnetic Switching ToolChanger
em_switching_toolhead_tool_change(new_tool, no_move);
#elif ENABLED(SWITCHING_NOZZLE) && !SWITCHING_NOZZLE_TWO_SERVOS // Switching Nozzle (single servo)
#elif ENABLED(SWITCHING_NOZZLE) // Switching Nozzle
// Raise by a configured distance to avoid workpiece, except with
// SWITCHING_NOZZLE_TWO_SERVOS, as both nozzles will lift instead.
TERN_(SWITCHING_NOZZLE_TWO_SERVOS, raise_nozzle(old_tool));
if (!no_move) {
const float newz = current_position.z + _MAX(-diff.z, 0.0);
// Check if Z has space to compensate at least z_offset, and if not, just abort now
const float maxz = _MIN(TERN(HAS_SOFTWARE_ENDSTOPS, soft_endstop.max.z, Z_MAX_POS), Z_MAX_POS);
if (newz > maxz) return;
current_position.z = _MIN(newz + toolchange_settings.z_raise, maxz);
fast_line_to_current(Z_AXIS);
}
move_nozzle_servo(new_tool);
#if SWITCHING_NOZZLE_TWO_SERVOS // Switching Nozzle with two servos
lower_nozzle(new_tool);
#else
move_nozzle_servo(new_tool);
#endif
#elif ANY(MECHANICAL_SWITCHING_EXTRUDER, MECHANICAL_SWITCHING_NOZZLE)
if (!no_move) {
current_position.z = _MIN(current_position.z + toolchange_settings.z_raise, _MIN(TERN(HAS_SOFTWARE_ENDSTOPS, soft_endstop.max.z, Z_MAX_POS), Z_MAX_POS));
@ -1372,7 +1373,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
#if ENABLED(TOOLCHANGE_PARK)
if (toolchange_settings.enable_park) do_blocking_move_to_xy_z(destination, destination.z, MMM_TO_MMS(TOOLCHANGE_PARK_XY_FEEDRATE));
#else
do_blocking_move_to_xy(destination, planner.settings.max_feedrate_mm_s[X_AXIS]);
do_blocking_move_to_xy(destination, planner.settings.max_feedrate_mm_s[X_AXIS]* 0.5f);
// If using MECHANICAL_SWITCHING extruder/nozzle, set HOTEND_OFFSET in Z axis after running EVENT_GCODE_TOOLCHANGE below.
#if NONE(MECHANICAL_SWITCHING_EXTRUDER, MECHANICAL_SWITCHING_NOZZLE)
@ -1405,7 +1406,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
#endif
TERN_(DUAL_X_CARRIAGE, idex_set_parked(false));
}
} // should_move
#if HAS_SWITCHING_NOZZLE
// Move back down. (Including when the new tool is higher.)
@ -1413,8 +1414,6 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
do_blocking_move_to_z(destination.z, planner.settings.max_feedrate_mm_s[Z_AXIS]);
#endif
TERN_(SWITCHING_NOZZLE_TWO_SERVOS, lower_nozzle(new_tool));
} // (new_tool != old_tool)
planner.synchronize();
@ -1510,7 +1509,8 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
if (TERN1(DUAL_X_CARRIAGE, dual_x_carriage_mode == DXC_AUTO_PARK_MODE))
gcode.process_subcommands_now(F(EVENT_GCODE_AFTER_TOOLCHANGE));
#endif
}
} // !no_move
SERIAL_ECHOLNPGM(STR_ACTIVE_EXTRUDER, active_extruder);