diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index 3968e8b..a2b0819 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/MachMgr.h b/MachMgr.h
index c70bb35..cbaedf6 100644
--- a/MachMgr.h
+++ b/MachMgr.h
@@ -183,7 +183,8 @@ class MachMgr : public IMachMgr
       bool ImportSetup( const std::string& sName) override ;
       bool VerifyCurrSetup( STRVECTOR& vsErrors) override ;
       bool FindToolInCurrSetup( const std::string& sTool) override ;
-      bool UpdateSetup( void) override ;
+      bool UpdateCurrSetup( void) override ;
+      bool EraseCurrSetup( void) override ;
      // Machinings DataBase
       bool MdbGetMachiningNewName( std::string& sName) const override ;
       bool MdbAddMachining( const std::string& sName, int nType) ;
diff --git a/MachMgrMachGroups.cpp b/MachMgrMachGroups.cpp
index e25df57..13362eb 100644
--- a/MachMgrMachGroups.cpp
+++ b/MachMgrMachGroups.cpp
@@ -172,7 +172,7 @@ MachMgr::AddMachGroup( const string& sName, const string& sMachineName)
       pMch->ResetCurrTool() ;
    }
   // aggiorno attrezzaggio attivo
-   UpdateSetup() ;
+   UpdateCurrSetup() ;
   // nascondo i pezzi rimasti sotto la radice
    ShowRootParts( false) ;
   // rendo visibile il nuovo gruppo corrente e la relativa macchina
@@ -326,7 +326,7 @@ MachMgr::SetCurrMachGroup( int nId)
    if ( ! PrepareCurrMachGroup( nId))
       return false ;
   // aggiorno attrezzaggio attivo
-   UpdateSetup() ;
+   UpdateCurrSetup() ;
   // imposto la prima fase come corrente
    if ( ! SetCurrPhase( 1))
       return false ;
diff --git a/MachMgrSetup.cpp b/MachMgrSetup.cpp
index 7f3203d..90d4d7f 100644
--- a/MachMgrSetup.cpp
+++ b/MachMgrSetup.cpp
@@ -121,7 +121,7 @@ MachMgr::FindToolInCurrSetup( const string& sTool)
 
 //----------------------------------------------------------------------------
 bool
-MachMgr::UpdateSetup( void)
+MachMgr::UpdateCurrSetup( void)
 {
   // aggiorno attrezzaggio
    if ( ! m_stuMgr.Load())
@@ -132,3 +132,14 @@ MachMgr::UpdateSetup( void)
       return false ;
    return pMch->LoadAllTools() ;
 }
+
+//----------------------------------------------------------------------------
+bool
+MachMgr::EraseCurrSetup( void)
+{
+  // pulisco attrezzaggio
+   if ( ! m_stuMgr.Clear())
+      return false ;
+  // salvo i dati
+   return m_stuMgr.Save() ;
+}
diff --git a/Processor.cpp b/Processor.cpp
index c99c5aa..9c2d04b 100644
--- a/Processor.cpp
+++ b/Processor.cpp
@@ -80,7 +80,7 @@ Processor::Run( const string& sOutFile, const string& sInfo)
    m_pMchMgr->ResetWarnings() ;
 
   // forzo aggiornamento attrezzaggio della macchinata
-   m_pMchMgr->UpdateSetup() ;
+   m_pMchMgr->UpdateCurrSetup() ;
    if ( ! VerifySetup())
       return false ;
 
diff --git a/SetupMgr.cpp b/SetupMgr.cpp
index f9f9a04..22df4ef 100644
--- a/SetupMgr.cpp
+++ b/SetupMgr.cpp
@@ -55,6 +55,14 @@ SetupMgr::Reset( void)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+SetupMgr::Clear( void)
+{
+   m_vStuData.clear() ;
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 bool
 SetupMgr::Load( void)
diff --git a/SetupMgr.h b/SetupMgr.h
index d187906..e8620cd 100644
--- a/SetupMgr.h
+++ b/SetupMgr.h
@@ -41,6 +41,7 @@ class SetupMgr
       SetupMgr( void) ;
       bool Init( MachMgr* pMchMgr) ;
       bool Reset( void) ;
+      bool Clear( void) ;
       bool Load( void) ;
       bool Save( void) const ;
       bool Import( const std::string& sFileName) ;
diff --git a/Simulator.cpp b/Simulator.cpp
index 6c7cbf4..6fc6739 100644
--- a/Simulator.cpp
+++ b/Simulator.cpp
@@ -112,7 +112,7 @@ Simulator::Start( bool bFirst)
    m_pMchMgr->ResetWarnings() ;
 
   // Forzo aggiornamento attrezzaggio della macchinata
-   bool bOk = m_pMchMgr->UpdateSetup() ;
+   bool bOk = m_pMchMgr->UpdateCurrSetup() ;
 
   // Se avvio vero, verifico attrezzaggio
    if ( bFirst  &&  ! VerifySetup())