diff --git a/Operation.cpp b/Operation.cpp
index e44b6b3..ddce3d3 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -1497,8 +1497,8 @@ Operation::TestCollisionAvoid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEn
       pMch->LinkFixtureToGroup( nFxtId, sTable) ;
   // Vado nelle posizioni da controllare
    bool bCollide = false ;
-   for ( int i = 1 ; i <= 3  &&  ! bCollide ; ++ i) {
-      double dCoeff = double( i) / 4 ;
+   for ( int i = 1 ; i <= 15  &&  ! bCollide ; ++ i) {
+      double dCoeff = double( i) / 16 ;
       for ( size_t j = 0 ; j < vAxStart.size() ; ++ j) {
          double dPos = ( 1 - dCoeff) * vAxStart[j] + dCoeff * vAxEnd[j] ;
          pMch->SetAxisPos( vAxName[j], dPos) ;