INTEGRALLY BLADED ROTOR MANUFACTURING METHOD, BLADE CUTTING PROGRAM FOR SAME, AND INTEGRALLY BLADED ROTOR

WIPO Patent Application WO/2021/038848

A1

The present invention is an integrally bladed rotor manufacturing method in which blades are machined, with high precision, by cutting. The integrally bladed rotor manufacturing method according to the present invention is a method for manufacturing an integrally bladed rotor in which three-dimensional plate-shaped blades, each having a positive pressure face and a negative pressure face as main faces, are integrated with a rotor disc. The method is characterized in that the ridge lines of the leading edge and the trailing edge of each blade are respectively divided into a prescribed number of sections so as to set a plurality of imaginary grid points, a closed curve that passes through the positive pressure face and the negative pressure face so as to loop around the imaginary grid points, closest to the rotor disc-side, on the leading edge and the trailing edge is set, a machining command is generated to move the cutting edge of a turning tool along a continuous spiral interpolated from the closed curve, and cutting in which a cutting point corresponding to the position of the cutting edge is moved around the blade according to the machining command is progressively performed.

HARADA YUKIHIDE (JP)
FUJITA TETSUJI (JP)

PCT/JP2019/034196

March 04, 2021

August 30, 2019

Click for automatic bibliography generation  

YAMAZAKI MAZAK CORP (JP)

F01D5/34; B23Q15/00; F01D5/12; G05B19/19

JP2009262320A	2009-11-12
CN102436216A	2012-05-02
JP2017131898A	2017-08-03
CN103616850A	2014-03-05
JP2010180877A	2010-08-19

See also references of EP 3998396A4

MUTSUKI PARTNERS (JP)

View/Download PDF      PDF Help

Previous Patent: IMAGE PROCESSING METHOD, IMAGE PROCESSING DEVICE, AND PROGRAM

Next Patent: LEARNING METHOD, LEARNING PROGRAM, AND LEARNING DEVICE