diff --git a/LuaLibs/ProcessLongCut.lua b/LuaLibs/ProcessLongCut.lua
index f72e26b..6b0f2de 100644
--- a/LuaLibs/ProcessLongCut.lua
+++ b/LuaLibs/ProcessLongCut.lua
@@ -886,11 +886,22 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
       if bLimXmin and bLimXmax and Proc.Box:getDimX() < 2 * dToolDiam then
          return MakeByPocketing( Proc, nPhase, nRawId, nPartId)
       end
+      -- determino l'utilizzo della faccia
+      local nFaceUse = EgtIf( abs( vtN:getY()) > 0.01, MCH_MILL_FU.ORTHO_DOWN, EgtIf( bFront, MCH_MILL_FU.ORTHO_FRONT, MCH_MILL_FU.ORTHO_BACK))
+      -- determino il lato di attacco (0:xMin, 1:xMax)
+      local nStartSide = 0
+      if nFaceUse == MCH_MILL_FU.ORTHO_DOWN and not bFront then
+         nStartSide = 1
+      elseif nFaceUse ~= MCH_MILL_FU.ORTHO_DOWN then
+         if ( bFront and nSide == -1) or ( not bFront and nSide == 1) then
+            nStartSide = 1
+         end
+      end
       -- determino gli estremi
       local dStartDist = 0
       local dStartAccDist = BD.LONGCUT_ENDLEN
       local bStartFixed = true
-      if ( bLimXmin and bFront) or ( bLimXmax and not bFront) then
+      if ( bLimXmin and nStartSide == 0) or ( bLimXmax and nStartSide == 1) then
          dStartDist = dToolDiam / 2
          dStartAccDist = BD.LONGCUT_MAXLEN
          bStartFixed = false
@@ -898,7 +909,7 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
       local dEndDist = 0
       local dEndAccDist = BD.LONGCUT_ENDLEN
       local bEndFixed = true
-      if ( bLimXmin and not bFront) or ( bLimXmax and bFront) then
+      if ( bLimXmin and nStartSide == 1) or ( bLimXmax and nStartSide == 0) then
          dEndDist = dToolDiam / 2
          dEndAccDist = BD.LONGCUT_MAXLEN
          bEndFixed = false
@@ -963,8 +974,6 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
             dEndAccDist = 0
          end
       end
-      -- determino l'utilizzo della faccia
-      local nFaceUse = EgtIf( abs( vtN:getY()) > 0.01, MCH_MILL_FU.ORTHO_DOWN, EgtIf( bFront, MCH_MILL_FU.ORTHO_FRONT, MCH_MILL_FU.ORTHO_BACK))
       -- si percorre il lato basso della faccia
       local nM = 0
       local nCountMilHead = 0
@@ -995,6 +1004,21 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
                EgtOutLog( sErr)
                return false, sErr
             end
+            if i == 1 and not bStartFixed then
+               if nO == 1 or EgtGetMachiningParam( MCH_MP.LITANG) ~= 0 then
+                  EgtSetMachiningParam( MCH_MP.LIELEV, 0)
+                  EgtSetMachiningParam( MCH_MP.LITANG, 0)
+                  EgtSetMachiningParam( MCH_MP.LEADINTYPE, MCH_MILL_LI.LINEAR)
+                  EgtSetMachiningParam( MCH_MP.LIPERP, dWidth + BD.CUT_EXTRA + BD.CUT_SIC or 20)
+               end
+            elseif i == nC and not bEndFixed then
+               if nO == 1 or EgtGetMachiningParam( MCH_MP.LOTANG) ~= 0 then
+                  EgtSetMachiningParam( MCH_MP.LOELEV, 0)
+                  EgtSetMachiningParam( MCH_MP.LOTANG, 0)
+                  EgtSetMachiningParam( MCH_MP.LEADOUTTYPE, MCH_MILL_LI.LINEAR)
+                  EgtSetMachiningParam( MCH_MP.LOPERP, dWidth + BD.CUT_EXTRA + BD.CUT_SIC or 20)
+               end
+            end
             -- aggiungo geometria
             EgtSetMachiningGeometry( {{ Proc.Id, 0}})
             -- limito opportunamente la lavorazione