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1. WO2021038848 - INTEGRALLY BLADED ROTOR MANUFACTURING METHOD, BLADE CUTTING PROGRAM FOR SAME, AND INTEGRALLY BLADED ROTOR

Publication Number WO/2021/038848
Publication Date 04.03.2021
International Application No. PCT/JP2019/034196
International Filing Date 30.08.2019
IPC
F01D 5/34 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
34Rotor-blade aggregates of unitary construction
B23Q 15/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
15Automatic control or regulation of feed movement, cutting velocity or position of tool or work
F01D 5/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
12Blades
G05B 19/19 2006.01
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
19characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
CPC
B23Q 15/00
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING
15Automatic control or regulation of feed movement, cutting velocity or position of tool or work
F01D 5/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members
12Blades
F01D 5/34
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members
34Rotor-blade aggregates of unitary construction ; , e.g. formed of sheet laminae;
G05B 19/19
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
19characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
Applicants
  • ヤマザキマザック株式会社 YAMAZAKI MAZAK CORPORATION [JP]/[JP]
Inventors
  • 原田 幸英 HARADA Yukihide
  • 藤田 哲司 FUJITA Tetsuji
Agents
  • 特許業務法人むつきパートナーズ MUTSUKI PARTNERS
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) INTEGRALLY BLADED ROTOR MANUFACTURING METHOD, BLADE CUTTING PROGRAM FOR SAME, AND INTEGRALLY BLADED ROTOR
(FR) PROCÉDÉ DE FABRICATION DE ROTOR À AUBAGE INTÉGRAL, PROGRAMME DE COUPE D'AUBES ASSOCIÉ ET ROTOR À AUBAGE INTÉGRAL
(JA) 統合回転翼の製造方法、そのブレードの切削加工プログラム及び統合回転翼
Abstract
(EN)
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.
(FR)
La présente invention porte sur un procédé de fabrication de rotor à aubage intégral qui consiste à usiner des aubes, avec une précision élevée, par découpe. Le procédé de fabrication de rotor à aubage intégral selon la présente invention est un procédé de fabrication d'un rotor à aubage intégral qui consiste à intégrer des aubes tridimensionnelles en forme de plaque, comportant chacune une face de pression positive et une face de pression négative en tant que faces principales, à un disque de rotor. Le procédé est caractérisé en ce que les lignes de crête du bord d'attaque et du bord de fuite de chaque aube sont respectivement divisées en un nombre prescrit de sections de manière à définir une pluralité de points de grille imaginaires, une courbe fermée qui passe par la face de pression positive et la face de pression négative de manière à former une boucle autour des points de grille imaginaires, le plus proche du côté du disque de rotor, sur le bord d'attaque et le bord de fuite est définie, une commande d'usinage est générée pour déplacer le bord de coupe d'un outil rotatif le long d'une spirale continue interpolée à partir de la courbe fermée, et une découpe dans laquelle un point de coupe correspondant à la position du bord de coupe est déplacé autour de l'aube en fonction de la commande d'usinage est progressivement effectuée.
(JA)
本発明は、切削加工によりブレードを高精度に加工する統合回転翼の製造方法である。本発明による統合回転翼の製造方法は、正圧面及び負圧面をそれぞれ主面に有する三次元板状のブレードをローターディスクに一体化させた統合回転翼の製造方法である。ブレードの前縁及び後縁の稜線を所定数にそれぞれにおいて分割して仮想格子点を設定し、ローターディスク側から同一番目の前縁及び後縁のそれぞれの仮想格子点を正圧面及び負圧面を経由して周回する閉曲線を設定し、閉曲線をらせん状に連続させて旋削工具の刃先を移動させるように補間した加工指令を作成し、加工指令に従って刃先の位置に対応する切削点ブレードの周囲を周回するよう移動させて切削加工を行っていくことを特徴とする。
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