Title:
METHOD AND APPARATUS FOR REPAIRING TURBINE BLADE
Document Type and Number:
Japanese Patent JPH054127
Kind Code:
A
Abstract:
PURPOSE: To provide a method and apparatus relating to the repair of a gas turbine blade, for forming a through bore or recess in the blade without removing the blade from a rotor.
CONSTITUTION: A through bore or recess is, for example, a lacing wire hole. The invention includes a machine 62 capable of moving in a first direction for performing an initial machining operation and in a second direction completing the machining operation. The machine enters a portion to be machined in the first direction. Support means 36, 38, 41, 75 are provided for precisely holding a blade 14. The method and apparatus permit blades to be accurately machined while they are left attached to a rotor as an array of blades.
Inventors:
MAIKERU JIEIMUZU FUREIZAA
FUIRITSUPU CHIYAARUZU FURANKUR
FUIRITSUPU CHIYAARUZU FURANKUR
Application Number:
JP1236491A
Publication Date:
January 14, 1993
Filing Date:
January 10, 1991
Export Citation:
Assignee:
REFURBISHED TURBINE COMPONENTS
International Classes:
B23B41/00; B23P6/00; B23Q3/06; F01D5/06; B23P9/00; F01D5/12; (IPC1-7): B23P9/00; F01D5/06; F01D5/12
Attorney, Agent or Firm:
Yohei Kinoshita (1 person outside)
Next Patent: HOLLOW SHAFT PROCESSING METHOD