diff --git a/LuaLibs/MachiningLib.lua b/LuaLibs/MachiningLib.lua
index 8c1991f..25124bf 100644
--- a/LuaLibs/MachiningLib.lua
+++ b/LuaLibs/MachiningLib.lua
@@ -320,13 +320,7 @@ local function TestEngagement( sBladeEngagement, Parameters, OptionalParameters)
 
    local CheckCollisionOptionalParameters = BeamLib.TableCopyDeep( OptionalParameters or {})
 
-   local CheckOutOfStrokeParameters = {
-      Edge = Edge,
-      vtNFace = Face.vtN,
-      vtHead = vtHead,
-      Tool = Tool,
-      nSCC = Tool.SetupInfo.GetSCC( Edge.vtN, Edge.vtEdge, Face.vtN)
-   }
+   local nSCC = Tool.SetupInfo.GetSCC( Edge.vtN, Edge.vtEdge, Face.vtN)
 
    -- check punti lavorazione
    -- lavorazione oltre le corse: non fattibile
@@ -334,7 +328,7 @@ local function TestEngagement( sBladeEngagement, Parameters, OptionalParameters)
       PreSimulationLib.GetPointOnToolTipCenter( Edge.ptStart + Edge.vtN * ( Edge.dElevation - dDepthToMachine), vtHead, Face.vtN, Edge.vtN, Tool),
       PreSimulationLib.GetPointOnToolTipCenter( Edge.ptEnd + Edge.vtN * ( Edge.dElevation - dDepthToMachine), vtHead, Face.vtN, Edge.vtN, Tool)
    }
-   local bOutOfStroke = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, CheckOutOfStrokeParameters)
+   local bOutOfStroke = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, vtHead, nSCC, Tool)
    if bOutOfStroke then
       return false
    end
@@ -355,7 +349,7 @@ local function TestEngagement( sBladeEngagement, Parameters, OptionalParameters)
       PreSimulationLib.GetPointOnToolTipCenter( PerpendicularLeadInOut.LeadIn.ptPoint, vtHead, Face.vtN, Edge.vtN, Tool),
       PreSimulationLib.GetPointOnToolTipCenter( PerpendicularLeadInOut.LeadOut.ptPoint, vtHead, Face.vtN, Edge.vtN, Tool)
    }
-   local bOutOfStrokePerpendicular = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, CheckOutOfStrokeParameters)
+   local bOutOfStrokePerpendicular = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, vtHead, nSCC, Tool)
    -- se non è in extracorsa si aggiunge come attacco possibile
    if not bOutOfStrokePerpendicular then
       LeadInOut.Perpendicular = PerpendicularLeadInOut
@@ -378,7 +372,7 @@ local function TestEngagement( sBladeEngagement, Parameters, OptionalParameters)
       PreSimulationLib.GetPointOnToolTipCenter( TangentLeadInOut.LeadIn.ptPoint, vtHead, Face.vtN, Edge.vtN, Tool),
       PreSimulationLib.GetPointOnToolTipCenter( TangentLeadInOut.LeadOut.ptPoint, vtHead, Face.vtN, Edge.vtN, Tool)
    }
-   local bOutOfStrokeTangent = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, CheckOutOfStrokeParameters)
+   local bOutOfStrokeTangent = PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, vtHead, nSCC, Tool)
    -- attacco tangenziale non in extracorsa: si verifica se è in collisione
    if not bOutOfStrokeTangent then
       local bCollisionFoundTangent, bMoveAfterSplitTangent = PreSimulationLib.CheckCollision( sBladeEngagement, CheckCollisionParameters, CheckCollisionOptionalParameters) -- TODO passare punti custom attacco tangenziale
diff --git a/LuaLibs/PreSimulationLib.lua b/LuaLibs/PreSimulationLib.lua
index 9cdeac8..3711407 100644
--- a/LuaLibs/PreSimulationLib.lua
+++ b/LuaLibs/PreSimulationLib.lua
@@ -217,12 +217,7 @@ end
 
 -------------------------------------------------------------------------------------------------------------
 -- check extracorsa
-function PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, Parameters)
-
-   -- parametri obbligatori
-   local vtHead = Parameters.vtHead
-   local Tool = Parameters.Tool
-   local nSCC = Parameters.nSCC
+function PreSimulationLib.CheckOutOfStroke( PointsOnToolTipCenter, vtHead, nSCC, Tool)
 
    -- check collisione sui punti in centro lama su naso mandrino o aggregato. In base a direzione e punto
    for i = 1, #PointsOnToolTipCenter do