Method for machining the trailing edge of a turbine engine blade

Method for machining the trailing edge of a turbine engine blade

The present invention relates to a method for manufacturing a turbine engine blade, the blade comprising an airfoil and the profile of the airfoil being defined by a theoretical digital model, including the manufacture of a blank having a thickened portion along the trailing edge of the airfoil rela...

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Hauptverfasser: LOUESDON YVON MARIE-JOSEPH, ALQUIER DAMIEN, TAMI JOSEPH, QUACH DANIEL, MALTAVERNE SABINE, CISSE FADOUA, LE MERDI FLORIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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creator LOUESDON YVON MARIE-JOSEPH
ALQUIER DAMIEN
TAMI JOSEPH
QUACH DANIEL
MALTAVERNE SABINE
CISSE FADOUA
LE MERDI FLORIAN
description The present invention relates to a method for manufacturing a turbine engine blade, the blade comprising an airfoil and the profile of the airfoil being defined by a theoretical digital model, including the manufacture of a blank having a thickened portion along the trailing edge of the airfoil relative to the theoretical profile, characterized in that said thickened portion is removed by adaptive machining, including the following steps: positioning the blank in a reference frame; acquiring, by probing at a predetermined number of points (Ni) on a first surface of the blank along the trailing edge, the position of said points in the reference frame; determining the differences, in one direction, in the delta position (Ni) from corresponding points of the theoretical model; producing machining grids on said surface of the blank, the peaks of the grids being determined from said points (Ni); determining the amount of material to be removed from the surface of the grids, said amount being based on the position
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subjects CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
title Method for machining the trailing edge of a turbine engine blade
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