diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index 8275cc0..b5cdeb5 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -290,9 +290,9 @@ class __declspec( novtable) IMachMgr
       virtual bool GetClEntAxesStatus( int nEntId, int& nStatus) const = 0 ;
       virtual bool GetClEntAxesMask( int nEntId, int& nMask) const = 0 ;
       virtual bool GetClEntAxesVal( int nEntId, DBLVECTOR& vAxes) const = 0 ;
-      virtual bool GetClEntTDir( int nEntId, Vector3d& vTDir) const = 0 ;
-      virtual bool GetClEntCDir( int nEntId, Vector3d& vCDir) const = 0 ;
-      virtual bool GetClEntADir( int nEntId, Vector3d& vADir) const = 0 ;
+      virtual bool GetClEntTDir( int nEntId, Vector3d& vtTDir) const = 0 ;
+      virtual bool GetClEntCDir( int nEntId, Vector3d& vtCDir) const = 0 ;
+      virtual bool GetClEntADir( int nEntId, Vector3d& vtADir) const = 0 ;
      // Simulation
       virtual bool SimInit( void) = 0 ;
       virtual bool SimStart( bool bFirst) = 0 ;
diff --git a/EMkMachiningGeoConst.h b/EMkMachiningGeoConst.h
index 7144239..4584d8a 100644
--- a/EMkMachiningGeoConst.h
+++ b/EMkMachiningGeoConst.h
@@ -114,6 +114,8 @@ static std::string KEY_MMAX = "MMAX" ;
 // Chiavi info in gruppo CL per punti assi minimo e massimo di ingombro di tutta la lavorazione
 static std::string KEY_MAXMIN = "MAXMIN" ;
 static std::string KEY_MAXMAX = "MAXMAX" ;
+// Chiave info in gruppo CL per indicare il tipo di catena cinematica
+static std::string KEY_KINTYPE = "KINTYPE" ;
 // Chiave info in sottogruppo di CL per uscite attivate (per forature con gang drill)
 static std::string KEY_DRACEX = "DRACEX" ;
 // Chiave info in sottogruppo di testa per abilitarne visualizzazione in Preview (0/1 default) 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 43cf71a..2bc372d 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -1303,9 +1303,9 @@ EXE_EXPORT bool ExeGetClEntFeed( int nEntId, double& dFeed) ;
 EXE_EXPORT bool ExeGetClEntAxesStatus( int nEntId, int& nStatus) ;
 EXE_EXPORT bool ExeGetClEntAxesMask( int nEntId, int& nMask) ;
 EXE_EXPORT bool ExeGetClEntAxesVal( int nEntId, DBLVECTOR& vAxes) ;
-EXE_EXPORT bool ExeGetClEntTDir( int nEntId, Vector3d& vTDir) ;
-EXE_EXPORT bool ExeGetClEntCDir( int nEntId, Vector3d& vCDir) ;
-EXE_EXPORT bool ExeGetClEntADir( int nEntId, Vector3d& vADir) ;
+EXE_EXPORT bool ExeGetClEntTDir( int nEntId, Vector3d& vtTDir) ;
+EXE_EXPORT bool ExeGetClEntCDir( int nEntId, Vector3d& vtCDir) ;
+EXE_EXPORT bool ExeGetClEntADir( int nEntId, Vector3d& vtADir) ;
 // Simulation
 EXE_EXPORT bool ExeSimInit( void) ;
 EXE_EXPORT bool ExeSimStart( bool bFirst) ;