diff --git a/EXE_MachMgr.cpp b/EXE_MachMgr.cpp
index 0f343df..d043cd8 100644
--- a/EXE_MachMgr.cpp
+++ b/EXE_MachMgr.cpp
@@ -19,9 +19,11 @@
 #include "AuxTools.h"
 #include "DllMachKernel.h"
 #include "/EgtDev/Include/EXeExecutor.h"
+#include "/EgtDev/Include/EXeConst.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
 #include "/EgtDev/Include/EMkOperationConst.h"
 #include "/EgtDev/Include/EMkSimuGenConst.h"
+#include "/EgtDev/Include/EGnFileUtils.h"
 #include "/EgtDev/Include/EgtStringConverter.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 
@@ -2649,8 +2651,25 @@ ExeGenerate( const string& sCncFile, const string& sInfo)
 {
    IMachMgr* pMachMgr = GetCurrMachMgr() ;
    VERIFY_MACHMGR( pMachMgr, false)
+   string sMyCncFile = sCncFile ;
+  // se nome file vuoto
+   if ( IsEmptyOrSpaces( sMyCncFile)) {
+     // recupero la path del progetto
+      string sProjPath ;
+      if ( ! ExeGetCurrFilePath( sProjPath))
+         return false ;
+     // ne deduco il direttorio
+      string sDir = GetDirectory( sProjPath) ;
+      ReplaceString( sDir, "/", "\\") ;
+     // recupero il nome
+      string sNcName ;
+      if ( ! ExeGetInfo( ExeGetCurrMachGroup(), GDL_NC_NAME, sNcName))
+         sNcName = GetFileTitleEgt( sProjPath) + ".cnc" ;
+     // creo la path completa
+      sMyCncFile = sDir + "\\" + sNcName ;
+   }
   // eseguo la generazione del part-program della macchinata corrente
-   return pMachMgr->Generate( sCncFile, sInfo) ;
+   return pMachMgr->Generate( sMyCncFile, sInfo) ;
 }
 
 //-----------------------------------------------------------------------------