diff --git a/Simulator.cpp b/Simulator.cpp
index 742334d..e7372bb 100644
--- a/Simulator.cpp
+++ b/Simulator.cpp
@@ -1018,6 +1018,12 @@ Simulator::ManageSingleMove( int& nStatus, double& dMove)
       for ( int i = 0 ; i < int( m_VmId.size()) ; ++ i)
          bOkI = m_pGeomDB->GetGlobFrame( m_VmId[i], vFrVzmI[i]) && bOkI ;
 
+     // Log per debug
+      if ( ExeGetDebugLevel() >= 10) {
+         string sOut = "MoveType=" + ToString( nMoveType) + " Coeff=" + ToString( m_dCoeff) ;
+         LOG_DBG_INFO( GetEMkLogger(), sOut.c_str())
+      }
+
      // Eseguo movimento rapido o lineare
       if ( nMoveType != 2  &&  nMoveType != 3) {
         // se attivo CollisionCheck approssimo movimento con pił step
@@ -1298,8 +1304,8 @@ Simulator::ExecLineVmill( int nVmId, int nCurrTool, double dVmTdOffs, double dVm
    ptHfL += dVmTdOffs * vtHfL + dVmAdOffs * vtAfL ;
   // Log per debug
    if ( ExeGetDebugLevel() >= 10) {
-      string sOut = "Zmap=" + ToString( nVmId) + " CurrTool=" + ToString( nCurrTool) +
-                    "Pi=(" + ToString( ptHiL) + ") Vi=(" + ToString( vtHiL) + ") Ai=(" + ToString( vtAiL) +
+      string sOut = "Zmap=" + ToString( nVmId) + " Tool=" + ToString( nCurrTool) +
+                    " Pi=(" + ToString( ptHiL) + ") Vi=(" + ToString( vtHiL) + ") Ai=(" + ToString( vtAiL) +
                     ") Pf=(" + ToString( ptHfL) + ") Vf=(" + ToString( vtHfL) + ") Af=(" + ToString( vtAfL) + ")" ;
       LOG_DBG_INFO( GetEMkLogger(), sOut.c_str())
    }
@@ -2132,6 +2138,7 @@ Simulator::MoveAxes( int nMoveType, const SAMVECTOR& vAxNaEpSt)
    static const int STEP_RAPID = -2 ;
    static const int STEP_RAPROT = -3 ;
    static const int STEP_COLLROT = -4 ;
+   bool bViewAllFrames = true ;
    int nStep = 1 ;
    for ( int i = 0 ; i < nAxCount ; ++ i) {
       double dMove = abs( vAxNaEpSt[i].dEndPos - vPrev[i]) ;
@@ -2141,10 +2148,14 @@ Simulator::MoveAxes( int nMoveType, const SAMVECTOR& vAxNaEpSt)
             dStep = m_dStep ;
          else if ( abs( dStep - STEP_RAPID) < EPS_SMALL)
             dStep = 4 * m_dStep ;
-         else if ( abs( dStep - STEP_RAPROT) < EPS_SMALL)
+         else if ( abs( dStep - STEP_RAPROT) < EPS_SMALL) {
             dStep = 0.4 * m_dStep ;
-         else                // STEP_COLLROT
+            bViewAllFrames = false ;
+         }
+         else {               // STEP_COLLROT
             dStep = min( 0.4 * m_dStep, 10.) ;
+            bViewAllFrames = false ;
+         }
       }
       dStep = max( dStep, 1.) ;
       int nAxStep = int( dMove / dStep) + 1 ;
@@ -2179,7 +2190,8 @@ Simulator::MoveAxes( int nMoveType, const SAMVECTOR& vAxNaEpSt)
          }
       }
      // Aggiorno visualizzazione
-      ExeDraw() ;
+      if ( bViewAllFrames  ||  ( i % 2) == 0  ||  i == nStep)
+         ExeDraw() ;
      // Verifico collisioni
       int nCdInd, nObjInd ;
       bool bCollCheck = ExecCollisionCheck( nCdInd, nObjInd, nMoveType) ;