diff --git a/Common_FAST.mlpe b/Common_FAST.mlpe
index 4fe9f6e..ba44c79 100644
--- a/Common_FAST.mlpe
+++ b/Common_FAST.mlpe
@@ -464,11 +464,10 @@ function OnSimulDispositionStart()
                EgtMove( nRawId, vtMove, GDB_RT.GLOB)
                EmtLinkRawPartToGroup( nRawId, 'Y')
             end
-            nRawId = nNextRawId
          end
-         --nRawId = nNextRawId
-         EMT.LB = b3Bar:getDimX()
+         nRawId = nNextRawId
       end
+	  EMT.LB = b3Bar:getDimX()
    end
    -- Indicazione angolo rotazione pezzo
    EMT.ROT = EgtGetInfo( EMT.DISPID, 'ROT', 'i') or 0
@@ -1100,16 +1099,17 @@ end
 
 ---------------------------------------------------------------------
 function CheckClamping( sClampName)
-   nIndexClamp = EgtGetAxisId( sClampName)
-   local idClampPath = EgtGetFirstInGroup( EgtGetFirstNameInGroup( nIndexClamp, 'CLAMP_CHECK') or GDB_ID.NULL)
-   local b3ClampingArea = EgtGetBBoxGlob( idClampPath or GDB_ID.NULL, GDB_BB.STANDARD)
+
+   local nClampId = EgtGetAxisId( sClampName) or GDB_ID.NULL
+   local nClampPathId = EgtGetFirstInGroup( EgtGetFirstNameInGroup( nClampId, 'CLAMP_CHECK') or GDB_ID.NULL)
+   local b3ClampingArea = EgtGetBBoxGlob( nClampPathId or GDB_ID.NULL, GDB_BB.STANDARD)
    -- se non trovo percorso area di clamping, esco subito
-   if not idClampPath or not EMT.VMILL or not ClampingCoeffMin then
+   if not nClampPathId or not EMT.VMILL or not ClampingCoeffMin then
       return
    end
 
    local function GetCurveListFromIntersection( sPosIntersPlane, sIntersPlane, dDepth)
-      local idCurveList = {}
+      local vCurveListId = {}
       local vtIntersPlane
       -- piano di interpolazione 
       if sIntersPlane == 'X' then
@@ -1128,44 +1128,35 @@ function CheckClamping( sClampName)
          elseif sPosIntersPlane == 'MAX' then
             ptPosIntersPlane = b3VMill:getMax() - dDepth * vtIntersPlane
          end
-
-         local idLoop, nLoopCnt = EgtPlaneVolZmapInters( ptPosIntersPlane, vtIntersPlane, EMT.VMILL[i], CLAMP_CHECK_INTERS, GDB_RT.GLOB)
-         -- se c'è almeno una curva
-         if idLoop then
-            for j = 1, nLoopCnt do
-               local idLoopTemp = idLoop + j - 1
-               table.insert( idCurveList, idLoopTemp)
-            end
-         end
+         local nLoopId, nLoopCnt = EgtPlaneVolZmapInters( ptPosIntersPlane, vtIntersPlane, EMT.VMILL[i], CLAMP_CHECK_INTERS, GDB_RT.GLOB)
+         vCurveListId = EgtTableAdd( vCurveListId, nLoopId, nLoopCnt)
       end
-      return idCurveList
+
+      return vCurveListId
    end
 
    local function CalculateIntersectionArea( sPosIntersPlane, sIntersPlane, dDepth)
       -- test piano frontale
-      local idCurveList = GetCurveListFromIntersection( sPosIntersPlane, sIntersPlane, dDepth)
-
+      local vCurveListId = GetCurveListFromIntersection( sPosIntersPlane, sIntersPlane, dDepth)
       -- si copia curva intersezione e curva pinza in gruppo di confronto
-      local idFlatSurf, nFlatSurfCnt = EgtSurfFlatRegion( CLAMP_CHECK_GROUP, idCurveList)
-      local idClampSurf = EgtSurfFlatRegion( CLAMP_CHECK_GROUP, idClampPath)
+      local nFlatSurfId, nFlatSurfCnt = EgtSurfFlatRegion( CLAMP_CHECK_GROUP, vCurveListId)
+      local vFlatSurfId = EgtTableFill( nFlatSurfId, nFlatSurfCnt) or {}
+      local nClampSurfId = EgtSurfFlatRegion( CLAMP_CHECK_GROUP, nClampPathId)
 
-      if idFlatSurf then
-         local dTotalArea = 0
-         local dTotalXLenght = 0
-         for k = 1, nFlatSurfCnt do
-            local idTempSurf = idFlatSurf + k - 1
-            EgtSurfFrIntersect( idTempSurf, idClampSurf)
-            if idTempSurf then
-               dTotalArea = dTotalArea + ceil( EgtSurfArea( idTempSurf) or 0)
-               local b3BoxIntersectionBox = EgtGetBBoxGlob( idTempSurf, GDB_BB.STANDARD)
-               if b3BoxIntersectionBox then
-                  dTotalXLenght = dTotalXLenght + ceil( b3BoxIntersectionBox:getDimX()) -- somma lunghezze (x) delle aree pinzate
-               end
+      local dTotalArea = 0
+      local dTotalXLenght = 0
+      for i = 1, #vFlatSurfId do
+         local nTempSurfId = vFlatSurfId[i]
+         EgtSurfFrIntersect( nTempSurfId, nClampSurfId)
+         if nTempSurfId then
+            dTotalArea = dTotalArea + ceil( EgtSurfArea( nTempSurfId) or 0)
+            local b3BoxIntersectionBox = EgtGetBBoxGlob( nTempSurfId, GDB_BB.STANDARD)
+            if b3BoxIntersectionBox then
+               dTotalXLenght = dTotalXLenght + ceil( b3BoxIntersectionBox:getDimX()) -- somma lunghezze (x) delle aree pinzate
             end
          end
-         return dTotalArea, dTotalXLenght
       end
-      return 0
+      return dTotalArea, dTotalXLenght
    end
 
    -- minima area considerata per un corretto pinzaggio
diff --git a/UpdateLog.txt b/UpdateLog.txt
index a41b5e2..864bc48 100644
--- a/UpdateLog.txt
+++ b/UpdateLog.txt
@@ -1,5 +1,9 @@
            ==== Common_FAST Update Log ====
 
+Versione 3.1-- (-/--/2026)
+- (SIM) Ottimizzata scrittura funzione ClampCheck post aggiornamento dll
+- (SIM) Corretto problema della funzione OnSimulDispositionStart in caso di fase finale.
+
 Versione 2.7l3 (22/12/2025)
 - (SIM) Eliminata MinJoin, utilizzata al suo posto funzione già esistente UpdateMinJoin nell'mlde
 - (SIM) Modificata formula calcolo Area minima
diff --git a/Version.lua b/Version.lua
index d3851bc..97828fb 100644
--- a/Version.lua
+++ b/Version.lua
@@ -3,7 +3,7 @@
 
 local InfoCommon_STD_PP = {
    NAME = 'Common_FAST',            -- nome script PP standard
-   VERSION = '2.7l3',                 -- versione script
+   VERSION = '3.1--',                 -- versione script
    MIN_MACH_VER_PP_COMMON = '2.5k1'   -- versione minima kernel
 }