diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index cf8c6da..cd608cc 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -1579,6 +1579,10 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
     vector<SurfBezForInters> vSurfBez( nTotSurf) ;
     double dSide = 0 ;
 
+    //debug
+    static PerformanceCounter Counter;
+    //debug
+
    // punti di riferimento sul tool
    // tip del tool
     Point3d ptP1T ;
@@ -1689,10 +1693,10 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
     }
     else {
 
-        static PerformanceCounter Counter ;
-        {
+        
+        {//debug
         Counter.Start() ;
-        }
+        }//debug
 
 
         // costruisco tutti gli archi subito
@@ -1909,12 +1913,12 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
             vvPtCtrl.back().insert( vvPtCtrl.back().end(), vPntTopEndBack2.rbegin(), vPntTopEndBack2.rend()) ;
         }
 
-        {
+        {//debug
         static double dCreationTime = 0;
         dCreationTime += Counter.Stop();
         string sOut = "bezier_creation = " + ToString( dCreationTime, 3) ;
         LOG_INFO( GetEGkLogger(), sOut.c_str())
-        }
+        }//debug
     }
 
     //debug
@@ -2011,6 +2015,10 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
    } ;
    vector<IntervalsToSubtract> vIntervalsToSubtr ;
 
+   {//debug
+       Counter.Start();
+   }//debug
+
    for ( int i = nStartI ; i <= nEndI ; ++ i) {
       nLastForwardJ = -1 ;
       j = nStartJ ;
@@ -2155,6 +2163,13 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
       }
    }
 
+   {//debug
+       static double dCalcTime = 0;
+       dCalcTime += Counter.Stop();
+       string sOut = "inters_calc = " + ToString(dCalcTime, 3);
+       LOG_INFO(GetEGkLogger(), sOut.c_str())
+   }//debug
+
    return true ;
 }