Patent ID: 6047474
Filing Date: 2000-04-11
Classification: B23P,F01D,Y10T

Abstract:
A method of manufacturing a bimetallic turbine blade including a body made of a first metallic material and an insert made of a second metallic material having a high resistance to wear, from which at least a portion of a leading edge of said blade is made, said method including the steps of(a) machining a receiving cavity having a simple geometrical shape in a metallic block having a simple geometrical shape made of said first metallic material;(b) making a member having a simple geometrical shape of said second material and fixing said member into said cavity, to produce a composite bimetallic block; and(c) machining said turbine blade from said composite block, a body of said blade being machined in said metallic block made of said first material and said insert being machined from said member of simple shape made of said second material.