diff --git a/BatchProcess.lua b/BatchProcess.lua
index 316dc5b..5f11266 100644
--- a/BatchProcess.lua
+++ b/BatchProcess.lua
@@ -144,6 +144,12 @@ local function UpdateAuxData( sAuxFile)
       EgtSetInfo( BtlInfoId, 'LOAD90', sLoad90)
       bModif = true
    end
+   -- Se definito UNLOAD, aggiorno
+   local sUnload = EgtGetStringFromIni( 'AuxData', 'UNLOAD', '', sAuxFile) 
+   if sUnload ~= '' then
+      EgtSetInfo( BtlInfoId, 'UNLOAD', sUnload)
+      bModif = true
+   end
    -- Se definito PROJID, aggiorno
    local sProjId = EgtGetStringFromIni( 'AuxData', 'PROJID', '', sAuxFile)
    if sProjId ~= '' then
diff --git a/LuaLibs/FaceByPocket.lua b/LuaLibs/FaceByPocket.lua
index 9f4bb89..dbc7418 100644
--- a/LuaLibs/FaceByPocket.lua
+++ b/LuaLibs/FaceByPocket.lua
@@ -30,7 +30,7 @@ local function ApplyPocket( Proc, nSurfId, nFacet, sPocketing, nInd, dMaxElev, v
    -- imposto uso faccia
    EgtSetMachiningParam( MCH_MP.FACEUSE, MCH_MILL_FU.ORTHO_CONT)
    -- imposto note utente
-   local sNotes = ''
+   local sNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
    -- eventuale massima elevazione
    if dMaxElev > 0.1 then
       sNotes = EgtSetValInNotes( sNotes, 'MaxElev', EgtNumToString( dMaxElev, 2))
diff --git a/LuaLibs/FacesBySaw.lua b/LuaLibs/FacesBySaw.lua
index 6c9ca4e..470df36 100644
--- a/LuaLibs/FacesBySaw.lua
+++ b/LuaLibs/FacesBySaw.lua
@@ -596,14 +596,16 @@ function FacesBySaw.MakeOne( nSurfId, nFacet, sCutting, dSawDiam, Par5, dVzLimDw
    EgtSetMachiningGeometry( {{ nSurfId, nFacet}})
    -- imposto uso faccia
    EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUse)
-   -- vtFaceUse non funziona correttaemnte in caso che il lato da lavorare sia a 45°. Potrebbe ritornare una trilinea, non gestibile. Quindi si setta l'EDGE
+   -- vtFaceUse non funziona correttamente in caso che il lato da lavorare sia a 45°. Potrebbe ritornare una trilinea, non gestibile. Quindi si setta l'EDGE
    local nEdgeFaceUse = GetEdgeToMachineFromVector( nSurfId, nFacet, vtOrthO)
    if nEdgeFaceUse and ( AreSameOrOppositeDirApprox( vtOrthO:getX(), 0.707) or AreSameOrOppositeDirApprox( vtOrthO:getY(), 0.707) or AreSameOrOppositeDirApprox( vtOrthO:getZ(), 0.707)) then
-      local sNoteEdgeFaceUse = 'EdgesFaceUse=' .. EgtNumToString( nEdgeFaceUse)  .. ';'
-      EgtSetMachiningParam( MCH_MP.USERNOTES, sNoteEdgeFaceUse)
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'EdgesFaceUse', EgtNumToString( nEdgeFaceUse))
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    else
-      local sNoteVtFaceUse = 'VtFaceUse=' .. EgtNumToString( vtOrthO:getX(),3) .. ',' .. EgtNumToString( vtOrthO:getY(),3) .. ',' .. EgtNumToString( vtOrthO:getZ(),3) .. ';'
-      EgtSetMachiningParam( MCH_MP.USERNOTES, sNoteVtFaceUse)
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VtFaceUse', EgtNumToString( vtOrthO:getX(), 3) .. ',' .. EgtNumToString( vtOrthO:getY(), 3) .. ',' .. EgtNumToString( vtOrthO:getZ(), 3))
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- imposto allungamenti iniziale e finale (in caso si utilizzi EDGE, non serve prolungare o accorciare)
       EgtSetMachiningParam( MCH_MP.STARTADDLEN, dAllStart - dAccStart)
       EgtSetMachiningParam( MCH_MP.ENDADDLEN, dAllEnd - dAccEnd)
diff --git a/LuaLibs/ProcessDrill.lua b/LuaLibs/ProcessDrill.lua
index 508dd28..198c5a5 100644
--- a/LuaLibs/ProcessDrill.lua
+++ b/LuaLibs/ProcessDrill.lua
@@ -638,7 +638,8 @@ function ProcessDrill.Make( Proc, nPhase, nRawId, nPartId)
    local dStartPos = max( dMinStartPos, dToolDbStartPos)
    EgtSetMachiningParam( MCH_MP.STARTPOS, dStartPos)
    -- Note utente con dichiarazione nessuna generazione sfridi per Vmill
-   local sUserNotes = EgtSetVal( 'VMRS', 0) .. ';'
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
    -- aggiungo alle note massima elevazione (coincide con affondamento)
    if dMaxElev then
       sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxElev, 1))
diff --git a/LuaLibs/ProcessDtMortise.lua b/LuaLibs/ProcessDtMortise.lua
index d95279e..f46e00b 100644
--- a/LuaLibs/ProcessDtMortise.lua
+++ b/LuaLibs/ProcessDtMortise.lua
@@ -383,11 +383,10 @@ function ProcessDtMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
    -- se con tasca, la lavoro (mai in doppio)
    if bPocket then
       -- recupero il contorno della tasca (seconda curva ausiliaria)
-      local sVal = EgtGetInfo( Proc.Id, 'AUXID')
-      local vsAuxId = EgtSplitString( sVal)
+      local vAuxId = EgtGetInfo( Proc.Id, 'AUXID', 'vi')
       local Aux2Id
-      if vsAuxId and #vsAuxId >=2 then
-         Aux2Id = tonumber( vsAuxId[2])
+      if vAuxId and #vAuxId >=2 then
+         Aux2Id = vAuxId[2]
       end
       if Aux2Id then Aux2Id = Aux2Id + Proc.Id end
       if not Aux2Id  or  ( EgtGetType( Aux2Id) & GDB_FY.GEO_CURVE) == 0 then
@@ -423,7 +422,9 @@ function ProcessDtMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
       -- aggiungo geometria
       EgtSetMachiningGeometry( {{ Aux2Id, -1}})
       -- dichiaro non si generano sfridi per VMill
-      local sUserNotes = 'MaxElev='.. EgtNumToString( dMaxMat - 0.1, 1) .. '; VMRS=0;'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxMat - 0.1, 1))
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if not ML.ApplyMachining( true, false) then
@@ -534,7 +535,9 @@ function ProcessDtMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
                   EgtSetMachiningParam( MCH_MP.SCC, nSCC)
                end
                -- dichiaro non si generano sfridi per VMill
-               local sUserNotes = 'MaxElev='.. EgtNumToString( dAltMort, 1) .. '; VMRS=0;'
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dAltMort, 1))
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
                -- se lavorazione in doppio
                if Proc.Double and Proc.Double > 0 then
                   sUserNotes = EgtSetValInNotes( sUserNotes, 'DOUBLE', Proc.Double)
@@ -672,7 +675,9 @@ function ProcessDtMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
       if bMultipleZPasses then
          dMaxElev = dVerticalStep
       end
-      local sUserNotes = EgtSetVal( 'MaxElev', EgtNumToString( dMaxElev - 0.1, 1)) .. ';' .. EgtSetVal( 'VMRS', 0) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxElev - 0.1, 1))
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
       -- in presenza di pocket dichiaro che non sto entrando e uscendo nel grezzo
       if bPocket then
          sUserNotes = EgtSetValInNotes( sUserNotes, 'OutRaw', 3)
diff --git a/LuaLibs/ProcessDtTenon.lua b/LuaLibs/ProcessDtTenon.lua
index 12f9ec4..bab1a65 100644
--- a/LuaLibs/ProcessDtTenon.lua
+++ b/LuaLibs/ProcessDtTenon.lua
@@ -109,8 +109,9 @@ local function ApplyPocket( Proc, sPocketing, nStep, dSurfStep, nIdSurf, vtExtr)
    -- imposto uso faccia
    EgtSetMachiningParam( MCH_MP.FACEUSE, MCH_MILL_FU.ORTHO_CONT)
    if dSurfStep > 0 then
+      local sNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
       -- imposto elevazione
-      local sNotes = 'MaxElev=' .. EgtNumToString( dSurfStep, 2) .. ';'
+      sNotes = EgtSetValInNotes( sNotes, 'MaxElev', EgtNumToString( dSurfStep, 2))
       EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
    end
    -- imposto posizione braccio porta testa
@@ -322,7 +323,8 @@ function ProcessDtTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
       -- sistemo i parametri
       local dOffs = ( i - 1) * dStep
       EgtSetMachiningParam( MCH_MP.OFFSR, dOffs)
-      local sUserNotes = EgtSetVal( 'MaxElev', EgtNumToString( dDtTenH, 1)) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dDtTenH, 1))
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- sistemo il lato e la direzione di lavoro
       EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bCW, MCH_MILL_WS.LEFT, MCH_MILL_WS.RIGHT))
@@ -436,7 +438,8 @@ function ProcessDtTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
             EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUse)
 
             -- imposto elevazione
-            local sUserNotes = EgtSetVal( 'MaxElev', EgtNumToString( dDtTenH, 1)) .. ';'
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dDtTenH, 1))
             EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
 
             -- imposto posizione braccio porta testa
diff --git a/LuaLibs/ProcessFreeContour.lua b/LuaLibs/ProcessFreeContour.lua
index 3790731..ea0a8c7 100644
--- a/LuaLibs/ProcessFreeContour.lua
+++ b/LuaLibs/ProcessFreeContour.lua
@@ -897,7 +897,9 @@ local function MakeByPocket( Proc, nPhase, nRawId, nPartId, dOvmHead)
    end
    EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
    -- imposto elevazione
-   EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dMaxDepth, 1) .. ';')
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxDepth, 1))
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- imposto eventuale offset radiale, se impostato dall'utente
    local dRadialOffset = EgtGetInfo( Proc.Id, Q_RADIAL_OFFSET, 'd') or 0
    if abs( dRadialOffset) > 10 * GEO.EPS_SMALL then
diff --git a/LuaLibs/ProcessLapJoint.lua b/LuaLibs/ProcessLapJoint.lua
index 5c0d030..f1d9629 100644
--- a/LuaLibs/ProcessLapJoint.lua
+++ b/LuaLibs/ProcessLapJoint.lua
@@ -1055,7 +1055,9 @@ local function MakeOneFaceByMill( Proc, nPhase, nRawId, nPartId)
       EgtSetMachiningParam( MCH_MP.SCC, MCH_SCC.ADIR_YP)
    end
    -- dichiaro non si generano sfridi per VMill
-   EgtSetMachiningParam( MCH_MP.USERNOTES, 'VMRS=0;')
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
    if not ML.ApplyMachining( true, false) then
       local _, sErr = EgtGetLastMachMgrError()
@@ -1190,7 +1192,9 @@ local function MakeTwoFacesByMill( Proc, nPhase, nRawId, nPartId, bDownHead)
             EgtSetMachiningParam( MCH_MP.SCC, MCH_SCC.ADIR_YP)
          end
          -- dichiaro non si generano sfridi per VMill
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'VMRS=0;')
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          -- eseguo
          if not ML.ApplyMachining( true, false) then
             local _, sErr = EgtGetLastMachMgrError()
@@ -1223,7 +1227,9 @@ local function MakeTwoFacesByMill( Proc, nPhase, nRawId, nPartId, bDownHead)
       EgtSetMachiningParam( MCH_MP.SCC, MCH_SCC.ADIR_YP)
    end
    -- dichiaro non si generano sfridi per VMill
-   EgtSetMachiningParam( MCH_MP.USERNOTES, 'VMRS=0;')
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
    if not ML.ApplyMachining( true, false) then
       local _, sErr = EgtGetLastMachMgrError()
@@ -1386,8 +1392,9 @@ local function MakeByMill( Proc, nPhase, nRawId, nPartId, nFacInd, rfFac, dH, dV
          end
       end
       -- applico elevazione
-      local sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
-      EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    else
       EgtSetMachiningParam( MCH_MP.STARTADDLEN, EgtIf( bOpenEnd, 0, - dTDiam / 2))
       EgtSetMachiningParam( MCH_MP.ENDADDLEN, EgtIf( bOpenStart, 0, - dTDiam / 2))
@@ -1705,8 +1712,9 @@ local function MakeRoundCleanCorner( Proc, nPhase, nRawId, nPartId, b3Raw,
       local bInvert = CheckToInvert( AuxId, true)
       EgtSetMachiningParam( MCH_MP.INVERT, bInvert)
       -- Note utente con dichiarazione nessuna generazione sfridi per Vmill e massima elevazione
-      local sUserNotes = 'VMRS=0;'
-      sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( ( tFacAdj[i][3] + dDepth), 1) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( ( tFacAdj[i][3] + dDepth), 1))
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if ML.ApplyMachining( true, false) then
@@ -1949,8 +1957,9 @@ local function MakeRoundCleanContour( Proc, nPhase, nRawId, nPartId, b3Raw,
       local bInvert = CheckToInvert( nIdPath, true)
       EgtSetMachiningParam( MCH_MP.INVERT, EgtIf( bInvertMach, not bInvert, bInvert))
       -- Note utente con dichiarazione nessuna generazione sfridi per Vmill e massima elevazione
-      local sUserNotes = 'VMRS=0;'
-      sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( ( dMaxElev + dMachDepth), 1) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxElev + dMachDepth, 1))
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if ML.ApplyMachining( true, false) then
@@ -2012,8 +2021,9 @@ local function MakeRoundCleanContour( Proc, nPhase, nRawId, nPartId, b3Raw,
          local bInvert = CheckToInvert( nIdPath, true)
          EgtSetMachiningParam( MCH_MP.INVERT, not bInvert)
          -- Note utente con dichiarazione nessuna generazione sfridi per Vmill e massima elevazione
-         local sUserNotes = 'VMRS=0;'
-         sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( ( dMaxElev + dMachDepth), 1) .. ';'
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxElev + dMachDepth, 1))
          EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          -- eseguo
          if ML.ApplyMachining( true, false) then
@@ -2226,7 +2236,9 @@ local function MakeSharpCleanCorner( Proc, nPhase, nRawId, nPartId, b3Raw, nFacI
    -- setto affondamento 0
    EgtSetMachiningParam( MCH_MP.DEPTH, 0)
    -- Note utente con dichiarazione nessuna generazione sfridi per Vmill e massima elevazione
-   local sUserNotes = 'VMRS=0;MaxElev=' .. EgtNumToString( dMaxDepth, 1) .. ';'
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxDepth, 1))
    EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
    if not ML.ApplyMachining( true, false) then
@@ -2378,10 +2390,10 @@ local function MakeDrillOnCorner( Proc, nPhase, nRawId, nPartId, b3Raw, nFacInd,
       local dMinStartPos = 10
       local dStartPos = max( dMinStartPos, dToolDbStartPos)
       EgtSetMachiningParam( MCH_MP.STARTPOS, dStartPos)
-      -- Note utente con dichiarazione nessuna generazione sfridi per Vmill
-      local sUserNotes = 'VMRS=0;'
-      -- aggiungo alle note massima elevazione (coincide con affondamento)
-      sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( dDepth, 1) .. ';'
+      -- Note utente con dichiarazione nessuna generazione sfridi per Vmill e massima elevazione (coincide con affondamento)
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dDepth, 1))
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       if not ML.ApplyMachining( true, false) then
          local _, sErr = EgtGetLastMachMgrError()
@@ -2882,9 +2894,10 @@ local function MakeByMillAsSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
       local bOk, sErr, nMchId = Fbs.MakeOne( Proc.Id, nFacAdj, sCutting, dSawDiam, nFaceUse, dVzLimDwnUp, 0, BD.CUT_SIC, dOffs, dStartDist, dEndDist, nil, b3Raw, bForceInvert)
       if not bOk then return bOk, sErr end
       -- setto l'elevazione
-      local sNotes = 'MaxElev=' .. EgtNumToString( 0, 1) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', 0)
       -- applico elevazione
-      EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- tolgo eventuale step
       EgtSetMachiningParam( MCH_MP.STEP, 0)
       if not ML.ApplyMachining( true, false) then
@@ -3206,8 +3219,9 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                --EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH '..EgtNumToString( dDepth, 1))
             end
             -- imposto massima elevazione
-            local sNotes = 'MaxElev=' .. EgtNumToString( dElev, 2) .. ';'
-            EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 2))
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
             -- eseguo
             if not ML.ApplyMachining( true, false) then
                if EgtGetOutstrokeInfo() then
@@ -3352,11 +3366,12 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                   local dFeed = EgtGetMachiningParam( MCH_MP.FEED) / 2
                   EgtSetMachiningParam( MCH_MP.FEED, dFeed)
                end
-               local sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
                if bAttackFromSide then
-                  sNotes = EgtSetValInNotes( sNotes, 'Plunge', 10)
+                  sUserNotes = EgtSetValInNotes( sUserNotes, 'Plunge', 10)
                end
-               EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- eseguo
                if not ML.ApplyMachining( true, false) then
                   if EgtGetOutstrokeInfo() then
@@ -3578,13 +3593,13 @@ local function MakePocket( Proc, nPartId, b3Solid, ptPs, tvtN, nFaceRef, sMchFin
       EgtOutLog( sWarn)
    end
    -- imposto elevazione e dichiaro non si generano sfridi per VMill
-   local sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
-   sNotes = sNotes .. 'VMRS=0;'
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
    if bOpenOutRaw then
-      sNotes = sNotes .. 'OpenOutRaw=1;'
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'OpenOutRaw', 1)
    end
-   sNotes = sNotes .. ( EgtGetMachiningParam( MCH_MP.USERNOTES) or '')
-   EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    if not ML.ApplyMachining( true, false) then
       -- provo ad allargare leggermente la tasca
       EgtSetMachiningParam( MCH_MP.OFFSR, -0.1)
@@ -3681,8 +3696,8 @@ local function MachineByMill( Proc, nPhase, nRawId, nPartId, b3Solid, tvtN, nBas
                EgtSetMachiningGeometry( {{ Proc.Id, nSideFace}})
                -- imposto vettore direzione e faceUse
                local vtFaceUse = EdgeToMachine.ToolDirection
-               local sUserNotes = ''
-               sUserNotes = EgtSetValInNotes( sUserNotes, 'VtFaceUse', EgtNumToString( vtFaceUse:getX(),3) .. ',' .. EgtNumToString( vtFaceUse:getY(),3) .. ',' .. EgtNumToString( vtFaceUse:getZ(),3))
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'VtFaceUse', EgtNumToString( vtFaceUse:getX(), 3) .. ',' .. EgtNumToString( vtFaceUse:getY(), 3) .. ',' .. EgtNumToString( vtFaceUse:getZ(), 3))
                local nFaceUse = BL.GetNearestOrthoOpposite( vtFaceUse)
                -- aggiusto i parametri
                EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUse)
@@ -4130,12 +4145,12 @@ local function MakeByPockets( Proc, nPhase, nRawId, nPartId, nChamfer, dDepthCha
                end
             end
             -- imposto elevazione e dichiaro non si generano sfridi per VMill
-            local sNotes = ''
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
             if not bMakeContour then
-               sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
             end
-            sNotes = sNotes .. 'VMRS=0;'
-            EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
             -- eseguo
             if not ML.ApplyMachining( true, false) or EgtIsMachiningEmpty() then
                -- provo ad allargare leggermente la tasca
@@ -4270,12 +4285,12 @@ local function MakeByPockets( Proc, nPhase, nRawId, nPartId, nChamfer, dDepthCha
                   end
                end
                -- imposto elevazione e dichiaro non si generano sfridi per VMill
-               sNotes = ''
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
                if not bMakeContour then
-                  sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
+                  sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
                end
-               sNotes = sNotes .. 'VMRS=0;'
-               EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- eseguo
                if not ML.ApplyMachining( true, false) then
                   -- provo ad allargare leggermente la tasca
@@ -4344,8 +4359,9 @@ local function MakeByPockets( Proc, nPhase, nRawId, nPartId, nChamfer, dDepthCha
                   end
                   EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
                   -- dichiaro non si generano sfridi per VMill
-                  local sNotes = 'VMRS=0;'
-                  EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+                  local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+                  sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+                  EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                   -- eseguo
                   if not ML.ApplyMachining( true, false) then
                      -- provo ad allargare leggermente la tasca
@@ -4615,9 +4631,10 @@ local function MakeAntiSplintByMill( Proc, nPartId, pPaths, nPathInt, vtN1,
             EgtSetMachiningParam( MCH_MP.INVERT, EgtIf( bInvertMach, not bInvert, bInvert))
          end
          -- Note utente con dichiarazione nessuna generazione sfridi per Vmill
-         local sUserNotes = 'VMRS=0;'
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
          -- aggiungo alle note massima elevazione
-         sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( ( dMaxElev + dMachDepth), 1) .. ';'
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( ( dMaxElev + dMachDepth), 1))
          EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          -- eseguo
          if ML.ApplyMachining( true, false) then
@@ -5276,7 +5293,7 @@ function SawPlusChain.ApplyMachining( Machining, b3Raw)
    end
 
    -- impostazione parametri lavorazione
-   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES)
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
    EgtSetMachiningGeometry( Machining.Geometry)
    EgtSetMachiningParam( MCH_MP.FACEUSE, Machining.Faceuse)
    EgtSetMachiningParam( MCH_MP.SCC, Machining.SCC)
@@ -6180,7 +6197,7 @@ local function AddMillCornerMachining( nPartId, nNewProc, nFacInd, tFacAdj, nAdd
    -- forzo lato correzione a centrato
    EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.CENTER)
    -- leggo eventuali note esistenti della lavorazione
-   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES)
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
    -- Note utente con dichiarazione nessuna generazione sfridi per Vmill
    sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
    -- aggiungo alle note massima elevazione
@@ -6802,9 +6819,10 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
             dStep = min( dStep, dMaxMat)
             EgtSetMachiningParam( MCH_MP.STEP, dStep)
             -- imposto elevazione e dichiaro non si generano sfridi per VMill
-            local sNotes = 'MaxElev=' .. EgtNumToString( dVcalc + dStep, 2) .. ';'
-            sNotes = sNotes .. 'VMRS=0;'
-            EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dVcalc + dStep, 2))
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
             -- attacchi e uscite
             if vtN:getZ() > -0.5 or BD.TURN then
                EgtSetMachiningParam( MCH_MP.LITANG, 0)
@@ -7071,8 +7089,9 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
                   EgtSetMachiningParam( MCH_MP.SUBTYPE, MCH_POCK_SUB.SPIRALIN)
                end
                -- imposto elevazione
-               local sNotes = 'MaxElev=' .. EgtNumToString( dFacElev2, 1) .. ';'
-               EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dFacElev2, 1))
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- eseguo
                if not ML.ApplyMachining( true, false) then
                   -- provo ad allargare leggermente la tasca
@@ -8190,7 +8209,9 @@ local function MakeStaircaseStep( Proc, nRawId, b3Raw, nPartId)
       end
       EgtSetMachiningParam( MCH_MP.STEP, dMillVerticalStep)
       -- dichiaro non si generano sfridi per VMill
-      EgtSetMachiningParam( MCH_MP.USERNOTES, 'VMRS=0;')
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if not ML.ApplyMachining( true, false) then
          local _, sErr = EgtGetLastMachMgrError()
diff --git a/LuaLibs/ProcessLongCut.lua b/LuaLibs/ProcessLongCut.lua
index a7ee835..4d15384 100644
--- a/LuaLibs/ProcessLongCut.lua
+++ b/LuaLibs/ProcessLongCut.lua
@@ -483,9 +483,10 @@ local function MakeByPocketing( Proc, nPhase, nRawId, nPartId)
       EgtOutLog( sWarn)
    end
    -- imposto elevazione e dichiaro non si generano sfridi per VMill
-   local sNotes = 'MaxElev=' .. EgtNumToString( dFacElev, 1) .. ';'
-   sNotes = sNotes .. 'VMRS=0;'
-   EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dFacElev, 1))
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
    if not ML.ApplyMachining( true, false) then
       -- provo ad allargare leggermente la tasca
@@ -1425,8 +1426,9 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
             EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
             -- eventuale nota utente per disabilitare controllo ingresso e uscita in grezzo
             if k < nO then
-               local sNotes = 'OutRaw=3;'
-               EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'OutRaw', 3)
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- aumento ingresso su spezzoni per evitare collisione durante approccio pezzo
                if bFront then
                   -- se invertito si allunga ingresso su tutti tranne su ultimo
diff --git a/LuaLibs/ProcessLongDoubleCut.lua b/LuaLibs/ProcessLongDoubleCut.lua
index e3e6bc7..4813d7d 100644
--- a/LuaLibs/ProcessLongDoubleCut.lua
+++ b/LuaLibs/ProcessLongDoubleCut.lua
@@ -226,9 +226,10 @@ local function MakeByPocketing( Proc, nPhase, nRawId, nPartId, nSide, nFacInd, d
       EgtOutLog( sWarn)
    end
    -- imposto elevazione e dichiaro non si generano sfridi per VMill
-   local sNotes = 'MaxElev=' .. EgtNumToString( dFacElev, 1) .. ';'
-   sNotes = sNotes .. 'VMRS=0;'
-   EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dFacElev, 1))
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
    if not ML.ApplyMachining( true, false) then
       -- provo ad allargare leggermente la tasca
diff --git a/LuaLibs/ProcessMortise.lua b/LuaLibs/ProcessMortise.lua
index b848abd..83eaaf4 100644
--- a/LuaLibs/ProcessMortise.lua
+++ b/LuaLibs/ProcessMortise.lua
@@ -128,8 +128,9 @@ end
       local nFaceUse = BL.GetNearestParalOpposite( vtN)
       EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUse)
       -- applico il parametro plunge, che setta la lavorazione per affondare solamente, senza lavorare tutto il contorno; 1: solo lato iniziale, 2: solo lato finale, 3: entrambi
-      local sNotes = 'Plunge=3;'
-      EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'Plunge' , 3)
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- imposto angolo 3° asse rot
       local vtOrtho = BL.GetVersRef( nFaceUse)
       EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, BL.GetBlockedAxis( sMortising, 'perpendicular'))
@@ -692,7 +693,8 @@ function ProcessMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
       end
    end
    -- imposto elevazione
-   local sUserNotes = 'MaxElev=' .. EgtNumToString( dMorH, 1) .. ';'
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMorH, 1))
    -- se lavorazione in doppio
    if Proc.Double and Proc.Double > 0 then
       sUserNotes = EgtSetValInNotes( sUserNotes, 'DOUBLE', Proc.Double)
@@ -752,7 +754,9 @@ function ProcessMortise.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
       -- setto profondità
       EgtSetMachiningParam( MCH_MP.DEPTH, -nDepthMin+BD.CUT_EXTRA)
       -- imposto elevazione
-      EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( (-nDepthMin+BD.CUT_EXTRA), 1) .. ';')
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( (-nDepthMin+BD.CUT_EXTRA), 1))
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if not ML.ApplyMachining( true, false) then
          local _, sErr = EgtGetLastMachMgrError()
diff --git a/LuaLibs/ProcessProfConcave.lua b/LuaLibs/ProcessProfConcave.lua
index 378e0a1..d1c39c1 100644
--- a/LuaLibs/ProcessProfConcave.lua
+++ b/LuaLibs/ProcessProfConcave.lua
@@ -666,7 +666,9 @@ function ProcessProfConcave.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          else
             EgtSetMachiningParam( MCH_MP.FACEUSE, MCH_MILL_FU.ORTUP_TOP)
             EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.LEFT)
-            EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( (dToolMaxDepth/2), 1))
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( (dToolMaxDepth/2), 1))
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          end
          EgtSetMachiningParam( MCH_MP.INVERT, false)
          EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
@@ -716,7 +718,9 @@ function ProcessProfConcave.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
          EgtSetMachiningParam( MCH_MP.STEP, 0)
          EgtSetMachiningParam( MCH_MP.OFFSR, 0)
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dWidth, 1))
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dWidth, 1))
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          if BD.TURN then
             local nSCC = GetSccForTurn( vtN)
             EgtSetMachiningParam( MCH_MP.SCC, nSCC)
diff --git a/LuaLibs/ProcessProfConvex.lua b/LuaLibs/ProcessProfConvex.lua
index 49137ed..aa0665b 100644
--- a/LuaLibs/ProcessProfConvex.lua
+++ b/LuaLibs/ProcessProfConvex.lua
@@ -666,7 +666,9 @@ function ProcessProfConvex.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          else
             EgtSetMachiningParam( MCH_MP.FACEUSE, MCH_MILL_FU.ORTUP_TOP)
             EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.LEFT)
-            EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( (dToolMaxDepth/2), 1))
+            local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+            sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( (dToolMaxDepth/2), 1))
+            EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          end
          EgtSetMachiningParam( MCH_MP.INVERT, false)
          EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
@@ -716,7 +718,9 @@ function ProcessProfConvex.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
          EgtSetMachiningParam( MCH_MP.STEP, 0)
          EgtSetMachiningParam( MCH_MP.OFFSR, 0)
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dWidth, 1))
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dWidth, 1))
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          if BD.TURN then
             local nSCC = GetSccForTurn( vtN)
             EgtSetMachiningParam( MCH_MP.SCC, nSCC)
diff --git a/LuaLibs/ProcessProfFront.lua b/LuaLibs/ProcessProfFront.lua
index 997e01a..56f5746 100644
--- a/LuaLibs/ProcessProfFront.lua
+++ b/LuaLibs/ProcessProfFront.lua
@@ -602,7 +602,9 @@ function ProcessProfFront.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
          EgtSetMachiningParam( MCH_MP.STEP, 0)
          EgtSetMachiningParam( MCH_MP.OFFSR, 0)
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dWidth, 1))
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dWidth, 1))
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          -- imposto tipo uso faccia
          local nFaceUse = MCH_MILL_FU.PARAL_DOWN
          if nSide == -1 then
diff --git a/LuaLibs/ProcessProfHead.lua b/LuaLibs/ProcessProfHead.lua
index 3cdfbf8..7785ad2 100644
--- a/LuaLibs/ProcessProfHead.lua
+++ b/LuaLibs/ProcessProfHead.lua
@@ -657,7 +657,9 @@ function ProcessProfHead.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
                EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
                EgtSetMachiningParam( MCH_MP.STEP, 0)
                EgtSetMachiningParam( MCH_MP.OFFSR, 0)
-               EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dElev, 1))
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- imposto posizione braccio
                local nSCC = MCH_SCC.ADIR_YM
                if nSide == 0 then
@@ -697,7 +699,9 @@ function ProcessProfHead.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
                EgtSetMachiningParam( MCH_MP.DEPTH_STR, 'TH')
                EgtSetMachiningParam( MCH_MP.STEP, 0)
                EgtSetMachiningParam( MCH_MP.OFFSR, 0)
-               EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dElev, 1))
+               local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+               sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
+               EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
                -- imposto posizione braccio
                local nSCC = MCH_SCC.ADIR_YM
                if nSide == 0 then
diff --git a/LuaLibs/ProcessScarfJoint.lua b/LuaLibs/ProcessScarfJoint.lua
index 286307d..bd7adb9 100644
--- a/LuaLibs/ProcessScarfJoint.lua
+++ b/LuaLibs/ProcessScarfJoint.lua
@@ -578,7 +578,9 @@ function ProcessScarfJoint.Make( Proc, nPhase, nRawId, nPartId, dOvmHead, dOvmTa
       EgtSetMachiningGeometry( {{ Proc.Id, vFaceOrd[2]-1}})
       -- imposto elevazione
       if dDistFaces then
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dDistFaces, 1) .. ';')
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dDistFaces, 1))
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       end
       -- eseguo
       if not ML.ApplyMachining( true, false) then
diff --git a/LuaLibs/ProcessStepJointNotch.lua b/LuaLibs/ProcessStepJointNotch.lua
index 962058a..e45207d 100644
--- a/LuaLibs/ProcessStepJointNotch.lua
+++ b/LuaLibs/ProcessStepJointNotch.lua
@@ -181,8 +181,9 @@ local function MakePocket( Proc, nPartId, ptPs, vtN, nFaceRef, nDiffWidth, sMchF
    -- La tasca ha sempre almeno un lato aperto, imposto opportuno attacco
    EgtSetMachiningParam( MCH_MP.SUBTYPE, MCH_POCK_SUB.SPIRALIN)
    -- imposto elevazione
-   local sNotes = 'MaxElev=' .. EgtNumToString( dElev, 1) .. ';'
-   EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+   sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dElev, 1))
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    if not ML.ApplyMachining( true, false) then
       -- provo ad allargare leggermente la tasca
       EgtSetMachiningParam( MCH_MP.OFFSR, -0.1)
diff --git a/LuaLibs/ProcessTenon.lua b/LuaLibs/ProcessTenon.lua
index 170dbfc..e1a31db 100644
--- a/LuaLibs/ProcessTenon.lua
+++ b/LuaLibs/ProcessTenon.lua
@@ -236,7 +236,9 @@ function ProcessTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
          -- assegno affondamento e offset radiale
          EgtSetMachiningParam( MCH_MP.DEPTH, -dTenH + dDepth + dExtra)
          EgtSetMachiningParam( MCH_MP.OFFSR, dExtra)
-         EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dDepth + dExtra, 1) .. ';')
+         local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+         sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dDepth + dExtra, 1))
+         EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
          -- assegno lato di lavoro
          EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.RIGHT)
          -- eseguo
@@ -309,7 +311,8 @@ function ProcessTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
       -- aggiungo geometria
       EgtSetMachiningGeometry( {{ AuxId, -1}})
       -- sistemo i parametri
-      local sUserNotes = EgtSetVal( 'MaxElev', EgtNumToString( dTenH - 100 * GEO.EPS_SMALL, 1)) .. ';'
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dTenH - 100 * GEO.EPS_SMALL, 1))
       if i < nPass then sUserNotes = EgtSetValInNotes( sUserNotes, 'OutRaw', 3) end
       EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
diff --git a/LuaLibs/ProcessTyroleanDovetail.lua b/LuaLibs/ProcessTyroleanDovetail.lua
index 03f2917..ea621ab 100644
--- a/LuaLibs/ProcessTyroleanDovetail.lua
+++ b/LuaLibs/ProcessTyroleanDovetail.lua
@@ -451,12 +451,12 @@ local function MakeMillCut( Proc, i, j, k, sMilling, nFacInd, TabNAD, rfFac, dOf
    EgtSetMachiningParam( MCH_MP.STARTADDLEN, ( dToolDiam * 0.75))
    EgtSetMachiningParam( MCH_MP.ENDADDLEN, ( dToolDiam * 0.75))
    -- Note utente con dichiarazione nessuna generazione sfridi per Vmill solo in ultima passata in Z locale
-   local sUserNotes
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
    if i < nStep then
-      sUserNotes = 'MaxElev=' .. EgtNumToString( dStep, 1) .. ';'            
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dStep, 1))
    else
-      sUserNotes = 'VMRS=0;'
-      sUserNotes = sUserNotes .. 'MaxElev=' .. EgtNumToString( dStep, 1) .. ';'
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'VMRS', 0)
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dStep, 1))
    end
    EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
    -- eseguo
diff --git a/LuaLibs/ProcessVariant.lua b/LuaLibs/ProcessVariant.lua
index 2e9cfe6..6655870 100644
--- a/LuaLibs/ProcessVariant.lua
+++ b/LuaLibs/ProcessVariant.lua
@@ -142,7 +142,9 @@ local function MakePocket( Proc, nRawId, b3Raw, nPartId)
       end
       EgtSetMachiningParam( MCH_MP.DEPTH, min( 0, dMaxDepth - vDepth[i]))
       -- imposto elevazione
-      EgtSetMachiningParam( MCH_MP.USERNOTES, 'MaxElev=' .. EgtNumToString( dMaxDepth, 1) .. ';')
+      local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES) or ''
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', EgtNumToString( dMaxDepth, 1))
+      EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
       -- eseguo
       if not ML.ApplyMachining( true, false) then
          local _, sErr = EgtGetLastMachMgrError()
diff --git a/Version.lua b/Version.lua
index 2978017..8f921ab 100644
--- a/Version.lua
+++ b/Version.lua
@@ -1,6 +1,6 @@
--- Version.lua by Egaltech s.r.l. 2024/01/30
+-- Version.lua by Egaltech s.r.l. 2026/02/09
 -- Gestione della versione di Beam
 
 NAME = 'Beam'
-VERSION = '2.7l3'
+VERSION = '3.1a1'
 MIN_EXE = '2.7f2'