Limit printing speed

MarlinFirmware · Feb 14, 2025 · 8b52d94 · 8b52d94
1 parent 4d0c684
commit 8b52d94
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Showing 6 changed files with 46 additions and 1 deletion.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
@@ -3907,6 +3907,11 @@
   #endif
 #endif
 
+//#define FEEDRATE_PRINTING_LIMIT
+#if ENABLED(FEEDRATE_PRINTING_LIMIT)
+  #define DEFAULT_FEEDRATE_PRINTING_LIMIT 0   // (mm/sec)
+#endif
+
 // @section reporting
 
 /**

diff --git a/Marlin/src/lcd/language/language_en.h b/Marlin/src/lcd/language/language_en.h
@@ -435,6 +435,7 @@ namespace LanguageNarrow_en {
   LSTR MSG_VMAX_B                         = _UxGT("Max ") STR_B _UxGT(" Speed");
   LSTR MSG_VMAX_C                         = _UxGT("Max ") STR_C _UxGT(" Speed");
   LSTR MSG_VMAX_N                         = _UxGT("Max @ Speed");
+  LSTR MSG_MAX_PRINTING_SPEED             = _UxGT("Max Printing Speed (mm/s)");
   LSTR MSG_VMAX_E                         = _UxGT("Max E Speed");
   LSTR MSG_VMAX_EN                        = _UxGT("Max * Speed");
   LSTR MSG_VMIN                           = _UxGT("Min Velocity");

diff --git a/Marlin/src/lcd/menu/menu_advanced.cpp b/Marlin/src/lcd/menu/menu_advanced.cpp
@@ -136,6 +136,10 @@ void menu_backlash();
       }
     #endif
 
+    #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+      EDIT_ITEM_FAST(float5, MSG_MAX_PRINTING_SPEED, &planner.max_printing_feedrate_mm_s, 0, MAX(planner.settings.max_feedrate_mm_s[0]*1.414, planner.settings.max_feedrate_mm_s[1]*1.414));
+    #endif
+
     #if ENABLED(CONFIGURE_FILAMENT_CHANGE)
       constexpr float extrude_maxlength = TERN(PREVENT_LENGTHY_EXTRUDE, EXTRUDE_MAXLENGTH, 999);
 

diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
@@ -189,6 +189,10 @@ uint32_t Planner::max_acceleration_steps_per_s2[DISTINCT_AXES]; // (steps/s^2) D
         Planner::volumetric_extruder_feedrate_limit[EXTRUDERS]; // pre calculated extruder feedrate limit based on volumetric_extruder_limit; pre-calculated to reduce computation in the planner
 #endif
 
+#if ENABLED(FEEDRATE_PRINTING_LIMIT)
+  feedRate_t Planner::max_printing_feedrate_mm_s;   // (mm/s)
+#endif
+
 #ifdef MAX7219_DEBUG_SLOWDOWN
   uint8_t Planner::slowdown_count = 0;
 #endif
@@ -2309,6 +2313,15 @@ bool Planner::_populate_block(
         }
       }
     #endif
+
+    #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+      if (max_printing_feedrate_mm_s > 0 && current_speed.e > 0) {
+        feedRate_t ps2 = (current_speed[0] * current_speed[0]) + (current_speed[1] * current_speed[1]);
+        if (ps2 > max_printing_feedrate_mm_s * max_printing_feedrate_mm_s)
+          NOMORE(speed_factor, max_printing_feedrate_mm_s / SQRT(ps2));
+      }
+    #endif
+
   }
   #endif // HAS_EXTRUDERS
 

diff --git a/Marlin/src/module/planner.h b/Marlin/src/module/planner.h
@@ -471,6 +471,10 @@ class Planner {
                    volumetric_extruder_feedrate_limit[EXTRUDERS]; // (mm/s) Feedrate limit calculated from volume limit
     #endif
 
+    #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+      static feedRate_t max_printing_feedrate_mm_s;   // (mm/s) Maximum feedrate when printing
+    #endif
+
     static planner_settings_t settings;
 
     #if ENABLED(LASER_FEATURE)

diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
@@ -36,7 +36,7 @@
  */
 
 // Change EEPROM version if the structure changes
-#define EEPROM_VERSION "V90"
+#define EEPROM_VERSION "V91"
 #define EEPROM_OFFSET 100
 
 // Check the integrity of data offsets.
@@ -476,6 +476,10 @@ typedef struct SettingsDataStruct {
   float planner_filament_size[EXTRUDERS];               // M200 T D  planner.filament_size[]
   float planner_volumetric_extruder_limit[EXTRUDERS];   // M200 T L  planner.volumetric_extruder_limit[]
 
+  #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+    feedRate_t max_printing_feedrate_mm_s;
+  #endif
+
   //
   // HAS_TRINAMIC_CONFIG
   //
@@ -1377,6 +1381,10 @@ void MarlinSettings::postprocess() {
       #endif
     }
 
+    #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+      EEPROM_WRITE(planner.max_printing_feedrate_mm_s);
+    #endif
+
     //
     // TMC Configuration
     //
@@ -2468,6 +2476,12 @@ void MarlinSettings::postprocess() {
         #endif
       }
 
+      #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+        feedRate_t max_printing_feedrate_mm_s;
+        EEPROM_READ(max_printing_feedrate_mm_s);
+        if (!validating) planner.max_printing_feedrate_mm_s = max_printing_feedrate_mm_s;
+      #endif
+
       //
       // TMC Stepper Settings
       //
@@ -3697,6 +3711,10 @@ void MarlinSettings::reset() {
     #endif
   #endif
 
+  #if ENABLED(FEEDRATE_PRINTING_LIMIT)
+    planner.max_printing_feedrate_mm_s = DEFAULT_FEEDRATE_PRINTING_LIMIT;
+  #endif
+
   endstops.enable_globally(ENABLED(ENDSTOPS_ALWAYS_ON_DEFAULT));
 
   reset_stepper_drivers();