diff --git a/LuaLibs/ProcessLongCut.lua b/LuaLibs/ProcessLongCut.lua
index 0a4df10..d1041c6 100644
--- a/LuaLibs/ProcessLongCut.lua
+++ b/LuaLibs/ProcessLongCut.lua
@@ -941,13 +941,53 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
                   -- imposto uso della faccia
                   EgtSetMachiningParam( MCH_MP.FACEUSE, EgtIf( k == 1, nFaceUse, nFaceUse2))
                else
-                  EgtSetMachiningParam( MCH_MP.INVERT, false)
-                  EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.LEFT)
-                  dSal, dEal = dEal, dSal
-                  -- imposto uso della faccia
-                  EgtSetMachiningParam( MCH_MP.FACEUSE, EgtIf( k == 1, nFaceUse, nFaceUse2))
+                  if k == 1 then
+                     bIsTopBladeCurrent = true
+                     nFaceUseCurrent = nFaceUse
+                  else
+                     bIsTopBladeCurrent = true
+                     nFaceUseCurrent = nFaceUse2
+                  end
                end
 
+               -- recupero alcune informazioni utili dalla lavorazione attuale
+               local bIsCurrentBladeCW
+               local bIsCurrentMachiningInverted
+               if bIsTopBladeCurrent then
+                  EgtMdbSetCurrMachining( sCutting)
+               else
+                  EgtMdbSetCurrMachining( sCuttingDn)
+               end
+               bIsCurrentBladeCW = EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) < 0
+               bIsCurrentMachiningInverted = EgtMdbGetCurrMachiningParam( MCH_MP.INVERT)
+
+               -- imposto la direzione di lavoro per avere scarico del truciolo ottimale
+               local nWorkSide, bInvert
+               if not bIsTopBladeCurrent and abs( nSide) ~= 2 then
+                  if bIsCurrentBladeCW then
+                     nWorkSide = MCH_MILL_WS.LEFT
+                     bInvert = true
+                     dSal, dEal = dEal, dSal
+                  else
+                     nWorkSide = MCH_MILL_WS.RIGHT
+                     bInvert = false
+                  end
+               else
+                  if bIsCurrentBladeCW then
+                     nWorkSide = MCH_MILL_WS.LEFT
+                     bInvert = false
+                  else
+                     nWorkSide = MCH_MILL_WS.RIGHT
+                     bInvert = true
+                     dSal, dEal = dEal, dSal
+                  end
+               end
+
+               -- setto la lavorazione con i valori calcolati
+               EgtSetMachiningParam( MCH_MP.INVERT, bInvert)
+               EgtSetMachiningParam( MCH_MP.WORKSIDE, nWorkSide)
+               EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUseCurrent)
+               
                EgtSetMachiningParam( MCH_MP.STARTADDLEN, dSal)
                EgtSetMachiningParam( MCH_MP.ENDADDLEN, dEal)
                -- imposto offset radiale
diff --git a/LuaLibs/ProcessLongDoubleCut.lua b/LuaLibs/ProcessLongDoubleCut.lua
index fddbb06..d906134 100644
--- a/LuaLibs/ProcessLongDoubleCut.lua
+++ b/LuaLibs/ProcessLongDoubleCut.lua
@@ -723,6 +723,44 @@ function ProcessLong2Cut.Make( Proc, nPhase, nRawId, nPartId, bForcedBladeMaster
                      EgtSetMachiningParam( MCH_MP.FACEUSE, EgtIf( k == 1, nFaceUse, nFaceUse2))
                   end
 
+                  -- recupero alcune informazioni utili dalla lavorazione attuale
+                  local bIsCurrentBladeCW
+                  local bIsCurrentMachiningInverted
+                  if bIsTopBladeCurrent then
+                     EgtMdbSetCurrMachining( sCutting)
+                  else
+                     EgtMdbSetCurrMachining( sCuttingDn)
+                  end
+                  bIsCurrentBladeCW = EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) < 0
+                  bIsCurrentMachiningInverted = EgtMdbGetCurrMachiningParam( MCH_MP.INVERT)
+
+                  -- imposto la direzione di lavoro per avere scarico del truciolo ottimale
+                  local nWorkSide, bInvert
+                  if ( not bIsTopBladeCurrent and abs( nSide) ~= 0) or ( bCanUseBlade and bCanUseUnderBlade and nSide == -1) then
+                     if bIsCurrentBladeCW then
+                        nWorkSide = MCH_MILL_WS.LEFT
+                        bInvert = true
+                        dSal, dEal = dEal, dSal
+                     else
+                        nWorkSide = MCH_MILL_WS.RIGHT
+                        bInvert = false
+                     end
+                  else
+                     if bIsCurrentBladeCW then
+                        nWorkSide = MCH_MILL_WS.LEFT
+                        bInvert = false
+                     else
+                        nWorkSide = MCH_MILL_WS.RIGHT
+                        bInvert = true
+                        dSal, dEal = dEal, dSal
+                     end
+                  end
+
+                  -- setto la lavorazione con i valori calcolati
+                  EgtSetMachiningParam( MCH_MP.INVERT, bInvert)
+                  EgtSetMachiningParam( MCH_MP.WORKSIDE, nWorkSide)
+                  EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUseCurrent)
+
                   EgtSetMachiningParam( MCH_MP.STARTADDLEN, dSal)
                   EgtSetMachiningParam( MCH_MP.ENDADDLEN, dEal)