Application of NURBS Technique in Measurement for Aeroengine Blade

A method for tortuous sculptured surface reconstruction of the aeroengine blade was presented. The non-uniform relational B-spline (NURBS) technique method was adopted to reconstruct the surface within a specified accuracy. And it could satisfy our desired requirement in the continuity of the surface, tangent and curvature. The basic theory of NURBS was introduced. And the 3D graphics standard and the graphics library of OpenGL were used to show the result of the tortuous sculptured surface reconstruction on the platform VC++6.0.