updated shapeoko2 defaults

defaults.h

@@ -131,11 +131,11 @@
   #define DEFAULT_X_STEPS_PER_MM (MICROSTEPS_XY*STEP_REVS_XY/MM_PER_REV_XY)
   #define DEFAULT_Y_STEPS_PER_MM (MICROSTEPS_XY*STEP_REVS_XY/MM_PER_REV_XY)
   #define DEFAULT_Z_STEPS_PER_MM (MICROSTEPS_Z*STEP_REVS_Z/MM_PER_REV_Z)
-  #define DEFAULT_STEP_PULSE_MICROSECONDS 10
+  #define DEFAULT_STEP_PULSE_MICROSECONDS 30
   #define DEFAULT_MM_PER_ARC_SEGMENT 0.1
-  #define DEFAULT_RAPID_FEEDRATE 800.0 // mm/min
-  #define DEFAULT_FEEDRATE 250.0
-  #define DEFAULT_ACCELERATION (15.0*60*60) // 15*60*60 mm/min^2 = 15 mm/s^2
+  #define DEFAULT_RAPID_FEEDRATE 500.0 // mm/min
+  #define DEFAULT_FEEDRATE 500.0
+  #define DEFAULT_ACCELERATION (25.0*60*60) // 25*60*60 mm/min^2 = 25 mm/s^2
   #define DEFAULT_JUNCTION_DEVIATION 0.05 // mm
   #define DEFAULT_STEPPING_INVERT_MASK ((1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT))
   #define DEFAULT_REPORT_INCHES 0 // false
@@ -153,7 +153,6 @@
   #define DEFAULT_N_ARC_CORRECTION 25
 #endif
 
-
 #ifdef DEFAULTS_ZEN_TOOLWORKS_7x7
   // Description: Zen Toolworks 7x7 mill with three Shinano SST43D2121 65oz-in NEMA 17 stepper motors.
   // Leadscrew is different from some ZTW kits, where most are 1.25mm/rev rather than 8.0mm/rev here.
@@ -186,4 +185,4 @@
   #define DEFAULT_N_ARC_CORRECTION 25
 #endif
 
-#endif
+#endif