Locating damage and measuring a maximum depth D of gouges in a damaged area,ĭelineating the area of the airfoil to be removed, including the damaged area, with a curved line L wherein each of the end points of line L is located a spanwise distance of 4 D from the point of the deepest gouge, Visually inspecting the airfoils for damage, Gaining access to the airfoils through an engine case access window, An airfoil spanwise edge repair method for repair of airfoils installed on a turbine engine, comprising: An airfoil spanwise edge repair method as claimed in claim 2 wherein said delineated area is removed by a straight edge rotary cutter driven by a hand held motor and the repaired airfoil edge radius along the repaired airfoil edge is formed using at least one concave contour rotary cutter and finished using a rubberized abrasive grinding wheel having a grinding surface contoured to form a repaired airfoil edge blend radius.Ĥ. An airfoil spanwise edge repair method as claimed in claim 1 wherein said damaged area of said delineated area to be removed includes at least one gouge, the delineated area having a spanwise length equal to eight times the depth D of the deepest gouge in said damaged area and end points of a curved line delineating the area to be removed are located a spanwise distance of 4 D from the point of the deepest gouge.ģ. An airfoil spanwise edge repair method comprising:ĭelineating a curved area of the edge to be removed that includes a damage area,Ĭutting away the curved, delineated area to be removed creating a portion of concavely curved, repaired airfoil edge,įorming a repaired airfoil edge radius along the concavely curved, repaired airfoil edge portion.Ģ. Method of restoring worn turbine componentsġ. Method and device for repairing damaged screw propellers Tool to produce a new angle on a fan blade Method for restoring a face on the shroud of a rotor blade Tool to produce a new leading edge on a fan blade Process for producing a new edge on an airfoil blade particularly the fan blade for a gas turbine engine

Steam turbine blade anti-erosion shield and method of turbine blade repair Fabrication or repair technique for integrally bladed rotor assembly

Airfoil blade