diff --git a/LuaLibs/ProcessRoundArch.lua b/LuaLibs/ProcessRoundArch.lua
index eceab1a..3eff86e 100644
--- a/LuaLibs/ProcessRoundArch.lua
+++ b/LuaLibs/ProcessRoundArch.lua
@@ -1,4 +1,4 @@
--- ProcessRoundArch.lua by Egaltech s.r.l. 2023/05/18
+-- ProcessRoundArch.lua by Egaltech s.r.l. 2023/12/07
 -- Gestione calcolo archi per Travi
 
 -- Tabella per definizione modulo
@@ -219,19 +219,15 @@ function ProcessRoundArch.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
             EgtSetMachiningParam( MCH_MP.TOOLINVERT, true)
          end
          -- se seconda passata, inverto direzione di lavoro
-         if j == 1 then
+         if ( j == 1 and not bToolInv) or ( j == 2 and bToolInv) then
             EgtSetMachiningParam( MCH_MP.INVERT, EgtIf( bCW, true, false))
          else
             EgtSetMachiningParam( MCH_MP.INVERT, EgtIf( bCW, false, true))
          end
          -- assegno affondamento
          EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
-         -- assegno lato di lavoro
-         if bToolInv then
-            EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bCW, MCH_MILL_WS.RIGHT, MCH_MILL_WS.LEFT))
-         else
-            EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bCW, MCH_MILL_WS.LEFT, MCH_MILL_WS.RIGHT))
-         end
+         -- assegno lato di lavoro (per avere lavorazione climb)
+         EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bCW, MCH_MILL_WS.LEFT, MCH_MILL_WS.RIGHT))
          -- posizione braccio porta testa
          local nSCC = MCH_SCC.NONE
          if not BD.C_SIMM and not BD.TURN then