diff --git a/Machining.cpp b/Machining.cpp
index af745c8..ba49633 100644
--- a/Machining.cpp
+++ b/Machining.cpp
@@ -204,6 +204,12 @@ Machining::GetToolPreviewStepCount( void) const
          -- nCount ;
          nRiseId = m_pGeomDB->GetNextName( nRiseId, MCH_CL_RISE) ;
       }
+     // tolgo le entità HOME
+      int nHomeId = m_pGeomDB->GetFirstNameInGroup( nPxId, MCH_CL_HOME) ;
+      while ( nHomeId != GDB_ID_NULL) {
+         -- nCount ;
+         nHomeId = m_pGeomDB->GetNextName( nHomeId, MCH_CL_HOME) ;
+      }
      // passo al successivo sottogruppo
       nPxId = m_pGeomDB->GetNextGroup( nPxId) ;
    }
@@ -223,7 +229,7 @@ Machining::GetToolPreviewNext( int nEntId, int nParentId, int nStId) const
      // ciclo nel gruppo
       while ( nNewId != GDB_ID_NULL) {
          string sName ; m_pGeomDB->GetName( nNewId, sName) ;
-         if ( sName != MCH_CL_CLIMB  &&  sName != MCH_CL_RISE)
+         if ( sName != MCH_CL_CLIMB  &&  sName != MCH_CL_RISE  &&  sName != MCH_CL_HOME)
             break ;
          nNewId = m_pGeomDB->GetNext( nNewId) ;
       }
@@ -263,7 +269,7 @@ Machining::GetToolPreviewPrev( int nEntId, int nParentId, int nStId) const
      // ciclo nel gruppo
       while ( nNewId != GDB_ID_NULL) {
          string sName ; m_pGeomDB->GetName( nNewId, sName) ;
-         if ( sName != MCH_CL_CLIMB  &&  sName != MCH_CL_RISE)
+         if ( sName != MCH_CL_CLIMB  &&  sName != MCH_CL_RISE  &&  sName != MCH_CL_HOME)
             break ;
          nNewId = m_pGeomDB->GetPrev( nNewId) ;
       }