diff --git a/LuaLibs/ProcessDtTenon.lua b/LuaLibs/ProcessDtTenon.lua
index fe14138..8bc0068 100644
--- a/LuaLibs/ProcessDtTenon.lua
+++ b/LuaLibs/ProcessDtTenon.lua
@@ -352,8 +352,90 @@ function ProcessDtTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
          BL.UpdateTCING( nRawId, dOffs)
       end
    end
+
+   -- controllo se serve passaggio di finitura in caso il tenone non cominci dal bordo della trave (P14 > 0)
+   if abs( vtExtr * EgtSurfTmFacetNormVersor( Proc.Id, Proc.Fct-1, GDB_ID.ROOT)) < GEO.EPS_ANG_SMALL then
+      -- verifico se almeno uno dei punti iniziale e finale della curva giace in uno dei piani limite del pezzo, quindi se è un lato aperto
+      local bOpen = false
+      local ptIni = EgtSP( AuxId, GDB_RT.GLOB)
+      local ptFin = EgtEP( AuxId, GDB_RT.GLOB)
+      if ( abs( ptIni:getX() - b3Solid:getMax():getX()) < 100 * GEO.EPS_SMALL or abs( ptFin:getX() - b3Solid:getMax():getX()) < 100 * GEO.EPS_SMALL) or
+         ( abs( ptIni:getX() - b3Solid:getMin():getX()) < 100 * GEO.EPS_SMALL or abs( ptFin:getX() - b3Solid:getMin():getX()) < 100 * GEO.EPS_SMALL) or
+         ( abs( ptIni:getY() - b3Solid:getMax():getY()) < 100 * GEO.EPS_SMALL or abs( ptFin:getY() - b3Solid:getMax():getY()) < 100 * GEO.EPS_SMALL) or
+         ( abs( ptIni:getY() - b3Solid:getMin():getY()) < 100 * GEO.EPS_SMALL or abs( ptFin:getY() - b3Solid:getMin():getY()) < 100 * GEO.EPS_SMALL) or
+         ( abs( ptIni:getZ() - b3Solid:getMax():getZ()) < 100 * GEO.EPS_SMALL or abs( ptFin:getZ() - b3Solid:getMax():getZ()) < 100 * GEO.EPS_SMALL) or
+         ( abs( ptIni:getZ() - b3Solid:getMin():getZ()) < 100 * GEO.EPS_SMALL or abs( ptFin:getZ() - b3Solid:getMin():getZ()) < 100 * GEO.EPS_SMALL) then
+            bOpen = true
+      end
+      -- se entrambi i punti non sono sul limite pezzo
+      if not bOpen then
+         -- recupero la lavorazione
+         sMillType = 'Tenon'
+         sMilling = ML.FindMilling( sMillType .. EgtIf( bMillDown and not bMillUp, '_H2', ''), nil, nil, nil, nil, bMillUp, bMillDown)
+         if not sMilling then
+            local sErr = 'Error : milling to finish the tenon not found in library'
+            EgtOutLog( sErr)
+            return false, sErr
+         end
+         -- recupero i dati dell'utensile
+         if EgtMdbSetCurrMachining( sMilling) then
+            local sTuuid = EgtMdbGetCurrMachiningParam( MCH_MP.TUUID)
+            if EgtTdbSetCurrTool( EgtTdbGetToolFromUUID( sTuuid) or '') then
+               dTDiam = EgtTdbGetCurrToolParam( MCH_TP.DIAM) or dTDiam
+               dMaxMat = EgtTdbGetCurrToolParam( MCH_TP.MAXMAT) or dMaxMat
+               local dSpeed = EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) or 0
+               bCW = ( dSpeed >= 0)
+            end
+
+            -- inserisco la passata finale della lavorazione
+            local sNameF = 'TenF_' .. ( EgtGetName( Proc.Id) or tostring( Proc.Id))
+            local nMchFId = EgtAddMachining( sNameF, sMilling)
+            if not nMchFId then
+               local sErr = 'Error adding machining ' .. sNameF .. '-' .. sMilling
+               EgtOutLog( sErr)
+               return false, sErr
+            end
+            -- aggiungo geometria
+            EgtSetMachiningGeometry( {{ Proc.Id, Proc.Fct-1}})
+            -- sistemo i parametri
+            EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
+            -- sistemo il lato e la direzione di lavoro
+            EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bCW, MCH_MILL_WS.LEFT, MCH_MILL_WS.RIGHT))
+            EgtSetMachiningParam( MCH_MP.INVERT, EgtIf( bCW, true, false))
+            EgtSetMachiningParam( MCH_MP.LITANG, 0.7 * dTDiam)
+            EgtSetMachiningParam( MCH_MP.LIPERP, 20)
+            EgtSetMachiningParam( MCH_MP.LOTANG, 0.7 * dTDiam)
+            EgtSetMachiningParam( MCH_MP.LOPERP, 20)
+
+            local nOrthoOpposite = BL.GetNearestParalOpposite( vtExtr, vtExtr)
+            -- imposto utilizzo faccia
+            EgtSetMachiningParam( MCH_MP.FACEUSE, nOrthoOpposite)
+            
+            -- imposto elevazione
+            local sUserNotes = EgtSetVal( 'MaxElev', EgtNumToString( dDtTenH, 1)) .. ';'
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
+
+            -- imposto posizione braccio porta testa
+            local nSCC = MCH_SCC.NONE
+            if BD.TURN then
+               if abs( vtAx:getY()) > abs( vtAx:getZ()) then
+                  nSCC = EgtIf( vtAx:getY() > 0, MCH_SCC.ADIR_YP, MCH_SCC.ADIR_YM)
+               else
+                  nSCC = EgtIf( vtAx:getZ() > 0, MCH_SCC.ADIR_ZP, MCH_SCC.ADIR_ZM)
+               end
+            elseif not BD.C_SIMM then
+               nSCC = MCH_SCC.ADIR_YM
+               if abs( vtExtr:getY()) > 0.088 then
+                  nSCC = EgtIf( vtExtr:getX() < GEO.EPS_SMALL, MCH_SCC.ADIR_XM, MCH_SCC.ADIR_XP)
+               end
+            end
+            EgtSetMachiningParam( MCH_MP.SCC, nSCC)
+         end
+      end
+   end
+
    return true
-end   
+end
 
 ---------------------------------------------------------------------
 return ProcessDtTenon