diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index 009bb28..2afbb54 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -154,6 +154,9 @@ local function IsHeadFeature( Proc, b3Raw, dCurrOvmH)
    if Drill.Identify( Proc) then
       return Drill.IsHeadFeature( Proc, b3Raw, dCurrOvmH)
    end
+   if StJoNotch.Identify( Proc) then
+      return StJoNotch.IsHeadFeature( Proc, b3Raw, dCurrOvmH)
+   end
    if RoundArch.Identify( Proc) then
       return RoundArch.IsHeadFeature( Proc, b3Raw, dCurrOvmH)
    end
@@ -219,6 +222,9 @@ local function IsTailFeature( Proc, b3Raw, dCurrOvmH, dCurrOvmT)
    if Drill.Identify( Proc) then
       return Drill.IsTailFeature( Proc, b3Raw, dCurrOvmT)
    end
+   if StJoNotch.Identify( Proc) then
+      return StJoNotch.IsTailFeature( Proc, b3Raw)
+   end
    if DtMortise.Identify( Proc) then
       return DtMortise.IsTailFeature( Proc, b3Raw)
    end
diff --git a/LuaLibs/FacesBySaw.lua b/LuaLibs/FacesBySaw.lua
index 6c6073e..ab3d144 100644
--- a/LuaLibs/FacesBySaw.lua
+++ b/LuaLibs/FacesBySaw.lua
@@ -449,7 +449,7 @@ function FacesBySaw.MakeTwo( Proc, nPhase, nRawId, nPartId, dOvmHead, sCutType,
    -- eventuale segnalazione ingombro di testa o coda
    local dMinHIng = min( 0.5 * BD.VICE_MINH, 0.5 * b3Raw:getDimZ())
    if bUpdateIng and Proc.Box:getDimZ() > dMinHIng and Proc.Box:getMin():getZ() < b3Raw:getMin():getZ() + dMinHIng and
-      not ( abs( vtN[nBigInd]:getX()) < 0.05 and vtN[nBigInd]:getY() < 0 and Proc.Box:getDimX() > 500) then
+      not ( abs( vtN[nBigInd]:getX()) < 0.05 and vtN[nBigInd]:getY() < 0 and Proc.Box:getDimX() > 500 and Proc.Box:getDimY() < 40) then
       if Proc.Head then
          local dOffs = b3Solid:getMax():getX() - Proc.Box:getMin():getX()
          BL.UpdateHCING( nRawId, dOffs)
@@ -460,7 +460,7 @@ function FacesBySaw.MakeTwo( Proc, nPhase, nRawId, nPartId, dOvmHead, sCutType,
          local dOffs = b3Solid:getMax():getX() - Proc.Box:getMin():getX()
          local dDist = b3Solid:getMax():getX() - Proc.Box:getMax():getX()
          -- se concavo aumento la distanza (rimane una punta...)
-         if dAngT < 0 then dDist = dDist + 10 end
+         --if dAngT < 0 then dDist = dDist + 10 end
          BL.UpdateHCING( nRawId, dOffs, dDist)
       end
    end
diff --git a/LuaLibs/ProcessStepJointNotch.lua b/LuaLibs/ProcessStepJointNotch.lua
index 627336b..6cf3ffd 100644
--- a/LuaLibs/ProcessStepJointNotch.lua
+++ b/LuaLibs/ProcessStepJointNotch.lua
@@ -24,6 +24,23 @@ function ProcessStepJointNotch.Identify( Proc)
    return ( ( Proc.Grp == 3 or Proc.Grp == 4)  and  Proc.Prc == 80)
 end
 
+---------------------------------------------------------------------
+-- Verifica se feature di testa
+function ProcessStepJointNotch.IsHeadFeature( Proc, b3Raw, dCurrOvmH)
+   return false
+end
+
+---------------------------------------------------------------------
+-- Verifica se feature di coda
+function ProcessStepJointNotch.IsTailFeature( Proc, b3Raw)
+   -- recupero box del pezzo
+   local nPartId = EgtGetParent( EgtGetParent( Proc.Id) or GDB_ID.NULL)
+   local b3Solid = EgtGetBBoxGlob( EgtGetFirstNameInGroup( nPartId, 'Box') or GDB_ID.NULL, GDB_BB.STANDARD)
+   -- verifico se è in coda
+   local dEndDist = Proc.Box:getMin():getX() - b3Solid:getMin():getX()
+   return ( dEndDist < BD.MAX_DIST_HTFEA)
+end
+
 ---------------------------------------------------------------------
 -- Classificazione della feature
 function ProcessStepJointNotch.Classify( Proc)
@@ -89,47 +106,10 @@ local function MachineByBlade( Proc, nPhase, nRawId, nPartId, dOvmHead, b3Solid,
       EgtOutLog( sErr)
       return false, sErr
    end
-   -- verifico se necessari tagli supplementari
-   local vCuts = DC.GetDice( nAddGrpId, b3Solid, ptC[nBigInd], vtN[nBigInd], false, ptC[nSmaInd], vtN[nSmaInd])
-   --DC.PrintOrderCut( vCuts)
-   if #vCuts > 0 then
-      -- sistemo posizione nel DB e nome
-      for i = 1, #vCuts do
-         for j = 1, #vCuts[i] do
-            EgtSetName( vCuts[i][j], 'AddCut_' .. tostring( Proc.Id))
-            EgtSetInfo( vCuts[i][j], 'TASKID', Proc.TaskId)
-         end
-      end
-      -- eseguo
-      for i = 1, #vCuts do
-         -- determino il modo di tagliare
-         local k, l = nBigInd, nSmaInd
-         if ( i % 2) == 1 then
-            k, l = l, k
-         end
-         local nOrthoOpposite 
-         if bOnY then
-            local bFront = ( ptC[k]:getY() < ptPs:getY())
-            nOrthoOpposite = EgtIf( bFront, MCH_MILL_FU.ORTHO_BACK, MCH_MILL_FU.ORTHO_FRONT)
-         else
-            local bOver = ( vtN[nBigInd]:getZ() > -0.1)
-            nOrthoOpposite = EgtIf( bOver, MCH_MILL_FU.ORTHO_DOWN, MCH_MILL_FU.ORTHO_TOP)
-         end
-         -- lavoro la faccia
-         for j = 1, #vCuts[i] do
-            local dLocCutExtra = EgtIf( j == #vCuts[i], dCutExtra - dExtraUp, dCutExtra)
-            local bOk, sErr = Fbs.MakeOne( vCuts[i][j], 0, sCutting, dSawDiam, nOrthoOpposite, EgtIf( bDownHead, -2, nil), dLocCutExtra, BD.CUT_SIC, 0, 0, 0, nil, b3Raw)
-            if not bOk then
-               return bOk, sErr
-            end
-         end
-      end
-   -- altrimenti, tagli diretti delle facce
-   else
-      local bOk, sErr = Fbs.MakeTwo( Proc, nPhase, nRawId, nPartId, dOvmHead, 'HeadSide' .. EgtIf( bDownHead, '_H2', ''), nil, bDownHead)
-      if not bOk then
-         return bOk, sErr
-      end
+   -- tagli delle facce
+   local bOk, sErr = Fbs.MakeTwo( Proc, nPhase, nRawId, nPartId, dOvmHead, 'HeadSide' .. EgtIf( bDownHead, '_H2', ''), nil, bDownHead)
+   if not bOk then
+      return bOk, sErr
    end
    return true
 end