diff --git a/Beam/BeamData.lua b/Beam/BeamData.lua
index afdbe66..efcd325 100644
--- a/Beam/BeamData.lua
+++ b/Beam/BeamData.lua
@@ -115,71 +115,27 @@ local function GetMaxLenRidgeLapFromBottom( dHRaw)
 end
 BeamData.GetMaxLenRidgeLapFromBottom = GetMaxLenRidgeLapFromBottom
 
-
-
-
-
 ---------------------------------------------------------------------
-local function GetMinNzTopHead( vtNFace)
-
-   return sin( -10)
+local function GetMinNzTopHead( vtNFace, Tool)
+   if Tool and Tool.sFamily ~= 'SAWBLADE' then
+      if abs( vtNFace:getY()) < 0.68 then
+         return sin( -15)
+      else
+         return sin( -10)
+      end
+   else
+      if abs( vtNFace:getY()) < 0.68 then
+         return sin( -11)
+      else
+         return sin( -10)
+      end
+   end
 end
 
 ---------------------------------------------------------------------
-local function GetMinNzDownUp( b3Raw, vtNFace, vtToolDirection)
-   if vtToolDirection and vtToolDirection:getZ() > 0.35 then
-      -- N_HorAng < 15° or N_HorAng > 55°
-      if vtNFace and ( abs( vtNFace:getY()) < 0.259 or abs( vtNFace:getY()) > 0.819) then
-         return -0.708
-      -- N_HorAng > 50°
-      elseif vtNFace and abs( vtNFace:getY()) > 0.766 then
-         return -0.383
-      else
-         return EgtIf( b3Raw:getDimZ() < BeamData.MIN_DIM_HBEAM, -0.609, -0.383)
-      end
-   elseif vtToolDirection and vtToolDirection:getZ() < - 0.01
-          and ( vtNFace and ( abs( vtNFace:getY()) > 0.983))
-          and ( b3Raw:getDimY() < 210) then
-          
-          return -0.173
-   else
-      -- N_HorAng > 60°
-      if vtNFace and ( abs( vtNFace:getY()) > 0.866) then
-         return -0.708
-      else
-         if b3Raw:getDimZ() < 120 then
-            return -0.708
-         elseif b3Raw:getDimZ() < 200 then
-            -- N_HorAng < 15° or N_HorAng > 55°
-            if vtNFace and ( abs( vtNFace:getY()) < 0.259 or abs( vtNFace:getY()) > 0.819) then
-               return -0.5
-            else
-               return -0.383
-            end
-         elseif b3Raw:getDimZ() < 300 then
-            -- N_HorAng < 10°
-            if vtNFace and ( abs( vtNFace:getY()) < 0.174) then
-               return -0.5
-            else
-               return -0.259
-            end
-         elseif b3Raw:getDimZ() < BeamData.MIN_DIM_HBEAM then
-            -- N_HorAng < 10°
-            if vtNFace and ( abs( vtNFace:getY()) < 0.174) then
-               return -0.342
-            else
-               return -0.259
-            end
-         else
-            -- N_HorAng < 10°
-            if vtNFace and ( abs( vtNFace:getY()) < 0.174) then
-               return -0.383
-            else
-               return -0.174
-            end
-         end
-      end
-   end
+-- con angolo limite di -11 il DownUp ha senso solo se si è sotto all'angolo limite
+local function GetMinNzDownUp( b3Raw, vtNFace, vtToolDirection, Tool)
+   return GetMinNzTopHead( vtNFace, Tool)
 end
 
 ---------------------------------------------------------------------
diff --git a/Saomad-KAIROS.mlde b/Saomad-KAIROS.mlde
index 133c0f3..18f2a80 100644
--- a/Saomad-KAIROS.mlde
+++ b/Saomad-KAIROS.mlde
@@ -9,7 +9,7 @@
 require( 'EmtGenerator')
 EgtEnableDebug( false)
 
-PP_VER = '2.7e3'
+PP_VER = '2.7e4'
 MIN_MACH_VER = '2.5j1'
 
 EgtOutLog ( '** Saomad-KAIROS '..PP_VER..' (MinMach '.. MIN_MACH_VER ..') **', 1)