Title:
MACHINING METHOD OF HOLDING SLOT OF BLADE ROOT PART
Document Type and Number:
Japanese Patent JP2005042728
Kind Code:
A
Abstract:
To provide a method of machining a holding slot(24)of a blade root part to a disc element(20) of a turbine engine.
The method of machining the holding slot of the blade root part to the disc element(20) of the turbine engine contains machining of a reserve slot to the disc element(20). The reserve slot has a first side wall, a second side wall and a bottom part. A rotating bit passes through the reserve slot in order to machine the bottom part. The bit rotates on an axis which is separated from a vertical direction to the passage direction.
Inventors:
MANTEL BLAKE M
Application Number:
JP2004216727A
Publication Date:
February 17, 2005
Filing Date:
July 26, 2004
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORP
International Classes:
F01D5/30; B21K25/00; B23B27/00; B23C3/28; B23P13/00; B23P15/00; B23P15/04; B24B19/02; F02C7/00; B23D; (IPC1-7): F02C7/00; F01D5/30
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi