diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index 102ef9c..8936c44 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -1,4 +1,4 @@
--- BeamExec.lua by Egaltech s.r.l. 2021/03/14
+-- BeamExec.lua by Egaltech s.r.l. 2021/03/25
 -- Libreria esecuzione lavorazioni per Travi
 -- 2019/07/11 Aggiunta gestione stato rotazione di feature per TS3.
 -- 2019/09/04 Corretto controllo feature di testa e coda con sovramateriale di testa elevato.
@@ -39,78 +39,78 @@ local BD = require( 'BeamData')
 
 -- Carico le librerie
 _G.package.loaded.MachiningLib = nil
-local BM = require( 'MachiningLib')
 _G.package.loaded.BeamLib = nil
-local BL = require( 'BeamLib')
 _G.package.loaded.DiceCut = nil
-local DC = require( 'DiceCut')
 _G.package.loaded.FacesBySaw = nil
-local Fbs = require( 'FacesBySaw')
 _G.package.loaded.ProcessHeadCut = nil
-local Hcut= require( 'ProcessHeadCut')
 _G.package.loaded.ProcessSplit = nil
-local Split = require( 'ProcessSplit')
 _G.package.loaded.ProcessCut = nil
-local Cut = require( 'ProcessCut')
 _G.package.loaded.ProcessDoubleCut = nil
-local DoubleCut = require( 'ProcessDoubleCut')
 _G.package.loaded.ProcessLongCut = nil
-local LongCut = require( 'ProcessLongCut')
 _G.package.loaded.ProcessLongDoubleCut = nil
-local Long2Cut = require( 'ProcessLongDoubleCut')
 _G.package.loaded.ProcessSawCut = nil
-local SawCut = require( 'ProcessSawCut')
 _G.package.loaded.ProcessRidgeLap = nil
-local RidgeLap = require( 'ProcessRidgeLap')
 _G.package.loaded.ProcessLapJoint = nil
-local LapJoint = require( 'ProcessLapJoint')
 _G.package.loaded.ProcessChamfer = nil
-local Chamfer = require( 'ProcessChamfer')
 _G.package.loaded.ProcessDrill = nil
-local Drill = require( 'ProcessDrill')
 _G.package.loaded.ProcessFrenchRidgeLap = nil
-local FrenchRidgeLap = require( 'ProcessFrenchRidgeLap')
 _G.package.loaded.ProcessBlockHausFront = nil
-local BlockHausFront = require( 'ProcessBlockHausFront')
 _G.package.loaded.ProcessTenon = nil
-local Tenon = require( 'ProcessTenon')
 _G.package.loaded.ProcessMortise = nil
-local Mortise = require( 'ProcessMortise')
 _G.package.loaded.ProcessDtTenon = nil
-local DtTenon = require( 'ProcessDtTenon')
 _G.package.loaded.ProcessDtMortise = nil
-local DtMortise = require( 'ProcessDtMortise')
 _G.package.loaded.ProcessMark = nil
-local Mark = require( 'ProcessMark')
 _G.package.loaded.ProcessText = nil
-local Text = require( 'ProcessText')
 _G.package.loaded.ProcessScarfJoint = nil
-local ScarfJoint = require( 'ProcessScarfJoint')
 _G.package.loaded.ProcessSimpleScarf = nil
-local Scarf = require( 'ProcessSimpleScarf')
 _G.package.loaded.ProcessStepJoint = nil
-local StepJoint = require( 'ProcessStepJoint')
 _G.package.loaded.ProcessStepJointNotch = nil
-local StJoNotch = require( 'ProcessStepJointNotch')
 _G.package.loaded.ProcessProfFront = nil
-local ProfFront = require( 'ProcessProfFront')
 _G.package.loaded.ProcessProfConcave = nil
-local ProfConcave = require( 'ProcessProfConcave')
 _G.package.loaded.ProcessProfConvex = nil
-local ProfConvex = require( 'ProcessProfConvex')
 _G.package.loaded.ProcessProfCamb = nil
-local ProfCamb = require( 'ProcessProfCamb')
 _G.package.loaded.ProcessProfHead = nil
-local ProfHead = require( 'ProcessProfHead')
 _G.package.loaded.ProcessRoundArch = nil
-local RoundArch = require( 'ProcessRoundArch')
 _G.package.loaded.ProcessTyroleanDovetail = nil
-local TyroleanDovetail = require( 'ProcessTyroleanDovetail')
 _G.package.loaded.ProcessDovetail = nil
-local Dovetail = require( 'ProcessDovetail')
 _G.package.loaded.ProcessFreeContour = nil
-local FreeContour = require( 'ProcessFreeContour')
 _G.package.loaded.ProcessDecor = nil
+local BM = require( 'MachiningLib')
+local BL = require( 'BeamLib')
+local DC = require( 'DiceCut')
+local Fbs = require( 'FacesBySaw')
+local Hcut= require( 'ProcessHeadCut')
+local Split = require( 'ProcessSplit')
+local Cut = require( 'ProcessCut')
+local DoubleCut = require( 'ProcessDoubleCut')
+local LongCut = require( 'ProcessLongCut')
+local Long2Cut = require( 'ProcessLongDoubleCut')
+local SawCut = require( 'ProcessSawCut')
+local RidgeLap = require( 'ProcessRidgeLap')
+local LapJoint = require( 'ProcessLapJoint')
+local Chamfer = require( 'ProcessChamfer')
+local Drill = require( 'ProcessDrill')
+local FrenchRidgeLap = require( 'ProcessFrenchRidgeLap')
+local BlockHausFront = require( 'ProcessBlockHausFront')
+local Tenon = require( 'ProcessTenon')
+local Mortise = require( 'ProcessMortise')
+local DtTenon = require( 'ProcessDtTenon')
+local DtMortise = require( 'ProcessDtMortise')
+local Mark = require( 'ProcessMark')
+local Text = require( 'ProcessText')
+local ScarfJoint = require( 'ProcessScarfJoint')
+local Scarf = require( 'ProcessSimpleScarf')
+local StepJoint = require( 'ProcessStepJoint')
+local StJoNotch = require( 'ProcessStepJointNotch')
+local ProfFront = require( 'ProcessProfFront')
+local ProfConcave = require( 'ProcessProfConcave')
+local ProfConvex = require( 'ProcessProfConvex')
+local ProfCamb = require( 'ProcessProfCamb')
+local ProfHead = require( 'ProcessProfHead')
+local RoundArch = require( 'ProcessRoundArch')
+local TyroleanDovetail = require( 'ProcessTyroleanDovetail')
+local Dovetail = require( 'ProcessDovetail')
+local FreeContour = require( 'ProcessFreeContour')
 local Decor = require( 'ProcessDecor')
 
 EgtOutLog( ' BeamExec started', 1)
diff --git a/LuaLibs/ProcessHeadCut.lua b/LuaLibs/ProcessHeadCut.lua
index fd64b83..e99dc48 100644
--- a/LuaLibs/ProcessHeadCut.lua
+++ b/LuaLibs/ProcessHeadCut.lua
@@ -1,4 +1,4 @@
--- ProcessSplit.lua by Egaltech s.r.l. 2021/03/02
+-- ProcessSplit.lua by Egaltech s.r.l. 2021/03/25
 -- Gestione calcolo tagli di testa per Travi
 
 -- Tabella per definizione modulo
@@ -170,9 +170,9 @@ function ProcessHeadCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead, bNeedHCut
    local dMaxVertDepth = dMaxDepth - ( BD.DECR_VERT_CUT or 0)
    -- caratteristiche taglio
    local bHorizCut = ( b3Raw:getDimY() > b3Raw:getDimZ() + 10 * GEO.EPS_SMALL and b3Raw:getDimZ() < dMaxVertDepth - BD.CUT_EXTRA)
-   local dDimYRef = EgtIf( b3Raw:getDimZ() < BD.MIN_DIM_HBEAM + 10 * GEO.EPS_SMALL, dMaxDepth - BD.CUT_EXTRA, BD.MAX_DIM_HTCUT_HBEAM)
+   local dDimYRef = EgtIf( b3Raw:getDimZ() < BD.MIN_DIM_HBEAM + 10 * GEO.EPS_SMALL, dMaxDepth, BD.MAX_DIM_HTCUT_HBEAM)
    local bDoubleHorizCut = ( not bHorizCut and b3Raw:getDimY() > 2 * dDimYRef - BD.CUT_EXTRA_MIN + 10 * GEO.EPS_SMALL)
-   local bDoubleCut = ( not bHorizCut and not bDoubleHorizCut and b3Raw:getDimY() > dDimYRef + 10 * GEO.EPS_SMALL)
+   local bDoubleCut = ( not bHorizCut and not bDoubleHorizCut and b3Raw:getDimY() > dDimYRef - BD.CUT_EXTRA + 10 * GEO.EPS_SMALL)
    -- dati geometrici del taglio
    local ptC, vtN = EgtSurfTmFacetCenter( Proc.Id, 0, GDB_ID.ROOT)
    -- se non obbligatorio e coincide con inizio grezzo, non va fatto
diff --git a/LuaLibs/ProcessSplit.lua b/LuaLibs/ProcessSplit.lua
index 0d9988f..87d7652 100644
--- a/LuaLibs/ProcessSplit.lua
+++ b/LuaLibs/ProcessSplit.lua
@@ -1,4 +1,4 @@
--- ProcessSplit.lua by Egaltech s.r.l. 2021/03/14
+-- ProcessSplit.lua by Egaltech s.r.l. 2021/03/25
 -- Gestione calcolo tagli di separazione per Travi
 
 -- Tabella per definizione modulo
@@ -170,9 +170,9 @@ function ProcessSplit.Make( Proc, nPhase, nRawId, nPartId)
    local dMaxVertDepth = dMaxDepth - ( BD.DECR_VERT_CUT or 0)
    -- caratteristiche taglio
    local bHorizCut = ( b3Raw:getDimY() > b3Raw:getDimZ() + 10 * GEO.EPS_SMALL and b3Raw:getDimZ() < dMaxVertDepth - BD.CUT_EXTRA)
-   local dDimYRef = EgtIf( b3Raw:getDimZ() < BD.MIN_DIM_HBEAM + 10 * GEO.EPS_SMALL, dMaxDepth - BD.CUT_EXTRA, BD.MAX_DIM_HTCUT_HBEAM)
+   local dDimYRef = EgtIf( b3Raw:getDimZ() < BD.MIN_DIM_HBEAM + 10 * GEO.EPS_SMALL, dMaxDepth, BD.MAX_DIM_HTCUT_HBEAM)
    local bDoubleHorizCut = ( not bHorizCut and b3Raw:getDimY() > 2 * dDimYRef - BD.CUT_EXTRA_MIN + 10 * GEO.EPS_SMALL)
-   local bDoubleCut = ( not bHorizCut and b3Raw:getDimY() > dDimYRef + 10 * GEO.EPS_SMALL)
+   local bDoubleCut = ( not bHorizCut and b3Raw:getDimY() > dDimYRef - BD.CUT_EXTRA  + 10 * GEO.EPS_SMALL)
    -- dati geometrici del taglio
    local ptC, vtN = EgtSurfTmFacetCenter( Proc.Id, 0, GDB_ID.ROOT)
    -- flag di lavorazione faccia