diff --git a/LuaLibs/FaceData.lua b/LuaLibs/FaceData.lua
index 11b4926..d488119 100644
--- a/LuaLibs/FaceData.lua
+++ b/LuaLibs/FaceData.lua
@@ -422,6 +422,7 @@ local function GetBottomFaces( Proc)
       CurrentEdge.ptStart = BottomFaces[1].Edges[i].ptStart
       CurrentEdge.ptEnd = BottomFaces[1].Edges[i].ptEnd
       CurrentEdge.vtEdge = BottomFaces[1].Edges[i].vtEdge
+      CurrentEdge.id = BottomFaces[1].Edges[i].id
 
       if nFirstLongEdgeIndex then
          if i == nFirstLongEdgeIndex then
@@ -520,6 +521,7 @@ local function GetLongFaces( Proc, MainFaces)
          CurrentEdge.ptStart = LongFaces[i].Edges[j].ptStart
          CurrentEdge.ptEnd = LongFaces[i].Edges[j].ptEnd
          CurrentEdge.vtEdge = LongFaces[i].Edges[j].vtEdge
+         CurrentEdge.id = LongFaces[i].Edges[j].id
 
          if Proc.Topology.sFamily == 'Tunnel' then
             if CurrentEdge.idAdjacentFace > -1 then
@@ -619,6 +621,7 @@ local function GetSideFaces( Proc, MainFaces)
          CurrentEdge.ptStart = SideFaces[i].Edges[j].ptStart
          CurrentEdge.ptEnd = SideFaces[i].Edges[j].ptEnd
          CurrentEdge.vtEdge = SideFaces[i].Edges[j].vtEdge
+         CurrentEdge.id = SideFaces[i].Edges[j].id
 
          if Proc.Topology.sFamily == 'Tunnel' then
             if CurrentEdge.idAdjacentFace > -1 then
diff --git a/LuaLibs/MachiningLib.lua b/LuaLibs/MachiningLib.lua
index a4b8bf3..4f53bf9 100644
--- a/LuaLibs/MachiningLib.lua
+++ b/LuaLibs/MachiningLib.lua
@@ -584,6 +584,7 @@ function MachiningLib.FindBlade( Proc, ToolSearchParameters)
       end
 
       -- se dati sufficienti, si determina se con questo utensile il taglio è fattibile e il modo di lavorare della lama
+      -- TODO corretto il calcolo della dDepthToMachine? è comunque inutile calcolare per una profondità che so già andrà in collisione
       if bIsToolCompatible then
          if FaceToMachine and EdgeToMachine and Part and dElevation then
             local bIsBladeOk = false
@@ -592,7 +593,7 @@ function MachiningLib.FindBlade( Proc, ToolSearchParameters)
                Edge = EdgeToMachine,
                Part = Part,
                Tool = TOOLS[i],
-               dDepthToMachine = dElevation
+               dDepthToMachine = min( dElevation, TOOLS[i].dMaxDepth)
             }
             local BladeEngagementOptionalParameters = {
                bIsDicing = bIsDicing