diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index d9154e2..b3bf092 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/MachMgr.h b/MachMgr.h
index 0bfddae..1bfd72e 100644
--- a/MachMgr.h
+++ b/MachMgr.h
@@ -255,6 +255,7 @@ class MachMgr : public IMachMgr
       bool SetOperationStatus( int nId, bool bShow) override ;
       bool GetOperationStatus( int nId, bool& bShow) const override ;
       bool SetAllOperationsStatus(bool bExceptFirstDisp,  bool bShow) override ;
+      bool AdjustOperationPhase( int nMchId) override ;
       bool ChangeOperationPhase( int nMchId, int nNewPhase) override ;
       int  GetPhaseLastOperation( int nPhase) const override ;
       bool RemoveOperationHome( int nId) override ;
diff --git a/MachMgrOperations.cpp b/MachMgrOperations.cpp
index a665ea9..e193f1e 100644
--- a/MachMgrOperations.cpp
+++ b/MachMgrOperations.cpp
@@ -477,6 +477,35 @@ MachMgr::SetAllOperationsStatus( bool bExceptFirstDisp, bool bShow)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+MachMgr::AdjustOperationPhase( int nMchId)
+{
+  // l'operazione deve esistere e non essere una disposizione
+   int nType = GetOperationType( nMchId) ;
+   if ( nType == OPER_NULL  ||  nType == OPER_DISP)
+      return false ;
+  // cerco l'ultima disposizione che la precede
+   int nCurrId = GetPrevOperation( nMchId) ;
+   while ( nCurrId != GDB_ID_NULL) {
+      if ( GetOperationType( nCurrId) == OPER_DISP)
+         break ;
+      nCurrId = GetPrevOperation( nCurrId) ;
+   }
+   if ( nCurrId == GDB_ID_NULL)
+      return false ;
+  // recupero la fase di questa disposizione e la assegno alla lavorazione
+   int nDispPhase = GetOperationPhase( nCurrId) ;
+   if ( nDispPhase == 0)
+      return false ;
+  // recupero la lavorazione
+   Machining* pMch = GetMachining( m_pGeomDB->GetUserObj( nMchId)) ;
+   if ( pMch == nullptr)
+      return false ;
+  // assegno nuova fase
+   return pMch->SetPhase( nDispPhase) ;
+}
+
 //----------------------------------------------------------------------------
 bool
 MachMgr::ChangeOperationPhase( int nMchId, int nNewPhase)