diff --git a/LuaLibs/ProcessLapJoint.lua b/LuaLibs/ProcessLapJoint.lua
index aabade7..0ccaaec 100644
--- a/LuaLibs/ProcessLapJoint.lua
+++ b/LuaLibs/ProcessLapJoint.lua
@@ -1,4 +1,4 @@
--- ProcessLapJoint.lua by Egaltech s.r.l. 2022/03/18
+-- ProcessLapJoint.lua by Egaltech s.r.l. 2022/03/20
 -- Gestione calcolo mezzo-legno per Travi
 -- 2019/10/08 Agg. gestione OpenPocket.
 -- 2021/01/24 Con sega a catena ora sempre impostato asse A.
@@ -37,6 +37,7 @@
 -- 2022/02/07 Corretto caso con due facce che non è un LongDoubleCut ma che veniva identificato come tale.
 -- 2022/02/14 Introdotto uso svuotature ZigZag ottimizzate.
 -- 2022/03/18 Corretta lavorazione BH.
+-- 2022/03/20 Quando si usa lama uso Q10 come massima elevazione.
 
 -- Tabella per definizione modulo
 local ProcessLapJoint = {}
@@ -70,6 +71,7 @@ local Q_ONLY_CONTOUR        = '' -- i
 local Q_SIDE_ROUGH_TOOL     = '' -- i
 local Q_ANTISPLINT_TYPE     = '' -- i
 local Q_BLADE_ON_ALONG_FACE = '' -- i
+local Q_MAX_ELEVATION       = '' -- d
 
 -- variabile smussi
 local bMadeChamfer
@@ -109,6 +111,7 @@ local function AssignQIdent( Proc)
    Q_ONLY_CONTOUR       = ''
    Q_SIDE_ROUGH_TOOL    = ''
    Q_ANTISPLINT_TYPE    = ''
+   Q_MAX_ELEVATION      = 'Q10'
 
    if ( Proc.Grp == 3 or Proc.Grp == 4)  and  Proc.Prc == 16 then
       Q_FORCE_BLADE         = 'Q01' -- i
@@ -257,26 +260,26 @@ local function GetChainSawBlockedAxis( nInd)
       return BD.GetChainSawBlockedAxis( nInd)
    else
       if nInd == 1 then
-         return EgtIf( BD.C_SIMM, 'A=90', 'A=0')
+         return EgtIf( BD.C_SIMM, 'A=90', 'A=90')
       else
-         return EgtIf( BD.C_SIMM, 'A=0', 'A=90')
+         return EgtIf( BD.C_SIMM, 'A=0', 'A=0')
       end
    end
 end
 
 ---------------------------------------------------------------------
-local function GetChainSawInitAngs( vtN, vtO)
+local function GetChainSawInitAngs( vtN, vtO, nInd)
    if BD.GetChainSawInitAngs then
-      return BD.GetChainSawInitAngs( vtN, vtO)
+      return BD.GetChainSawInitAngs( vtN, vtO, nInd)
    else
       if BD.C_SIMM then
-         if vtN:getY() > 0 then
-            return 'C=180'
-         else
-            return 'C=-180'
-         end
+         return EgtIf( vtN:getY() > 0, 'C=180', 'C=-180')
       else
-         return ''
+         if nInd ==1 then
+            return ''
+         else
+            return EgtIf( vtN:getY() > 0, 'C=180', 'C=-180')
+         end
       end
    end
 end
@@ -2822,6 +2825,8 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
    else
       bOrthoFaces = bOrthoFacesMaster
    end
+   -- eventuale massima elevazione imposta dall'utente
+   local dMaxElev = EgtGetInfo( Proc.Id, Q_MAX_ELEVATION, 'd')
 
    if bOrthoFaces then
       -- ottengo le dimensioni del tunnel
@@ -2918,7 +2923,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
       dSawMaxDepth = BD.MAX_DIM_HTCUT_HBEAM
    end
    -- Se entrambi gli estremi sono aperti e possibile, lavoro con la lama
-   if bOpenStart and bOpenEnd and bForceUseBlade and dElev < dSawMaxDepth + 10 * GEO.EPS_SMALL then
+   if bOpenStart and bOpenEnd and bForceUseBlade and ( dMaxElev or dElev) < dSawMaxDepth + 10 * GEO.EPS_SMALL then
       -- recupero altri dati dell'utensile
       local dSawDiam = 400
       local dSawThick = 4
@@ -3037,7 +3042,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
             end
             -- imposto angolo 3° asse rot e eventuale angolo suggerito per inizio
             EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 1))
-            EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, rfFac:getVersZ()))
+            EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, rfFac:getVersZ(), 1))
             -- imposto offset radiale
             local dOffs = ( i - 1) * dStep
             EgtSetMachiningParam( MCH_MP.OFFSR, dOffs)
@@ -3060,7 +3065,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                end
                -- impostazione alternativa angolo 3° asse rot
                EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 2))
-               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, rfFac:getVersZ()))
+               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, rfFac:getVersZ(), 2))
                if not EgtApplyMachining( true, false) then
                   local _, sErr = EgtGetLastMachMgrError()
                   EgtSetOperationMode( nMchFId, false)
@@ -3111,7 +3116,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                EgtSetMachiningParam( MCH_MP.FACEUSE, nFaceUse)
                -- imposto angolo 3° asse rot
                EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 1))
-               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho))
+               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho, 1))
                -- imposto offset radiale
                local dOffs = ( i - 1) * dStep
                EgtSetMachiningParam( MCH_MP.OFFSR, dOffs)
@@ -3149,8 +3154,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                      EgtOutLog( sWarn)
                   end
                end
-               -- recupero massima elevazione da Q10
-               local dMaxElev = EgtGetInfo( Proc.Id, 'Q10', 'd')
+               -- recupero massima elevazione da utente
                if dMaxElev and dMaxElev > 10 then
                   local sNotes = 'MaxElev=' .. EgtNumToString( dMaxElev, 1) .. ';'
                   EgtSetMachiningParam( MCH_MP.USERNOTES, sNotes)
@@ -3164,7 +3168,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
                   end
                   -- impostazione alternativa angolo 3° asse rot
                   EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 2))
-                  EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho))
+                  EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho, 2))
                   if not EgtApplyMachining( true, false) then
                      local _, sErr = EgtGetLastMachMgrError()
                      EgtSetOperationMode( nMchFId, false)
@@ -4481,7 +4485,7 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
                local vtN = EgtSurfTmFacetNormVersor( Proc.Id, nLundIdFace, GDB_ID.ROOT)
                -- imposto angolo 3° asse rot
                EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 1))
-               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho))
+               EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho, 1))
                -- imposto offset radiale
                local dOffs = ( i - 1) * dStep
                EgtSetMachiningParam( MCH_MP.OFFSR, dOffs)
@@ -4502,7 +4506,7 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
                      return false, sErr
                   end
                   EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, GetChainSawBlockedAxis( 2))
-                  EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho))
+                  EgtSetMachiningParam( MCH_MP.INITANGS, GetChainSawInitAngs( vtN, vtOrtho, 2))
                   if not EgtApplyMachining( true, false) then
                      local _, sErr = EgtGetLastMachMgrError()
                      EgtSetOperationMode( nMchFId, false)