Creo ModelCHECK > checks > SU9_TINY_CURV_RAD (Minimum Curvature Radius)
  
SU9_TINY_CURV_RAD (Minimum Curvature Radius)
Y/N/E/W
GeomIntegrityCHECK reports the ranges of naturally bounded surfaces in which the curvature radius is less than the value in your configuration file. It also reports the places in which the normal to a face is not defined and where no curvature radius can be determined.
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