Title:
ブレード根部保持スロットの機械加工方法
Document Type and Number:
Japanese Patent JP3989924
Kind Code:
B2
Abstract:
A method for cutting a blade root retention slot (24) in a turbine engine disk element (20) includes forming a precursor slot (24') in the element (20). The precursor slot (24') has first and second sidewalls and a base (30). A rotating bit (120) is passed through the precursor slot to machine the base (30). The bit (120) rotates about an axis (520) off-normal to a direction of passing (512).
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Inventors:
Break M. Mantel
Application Number:
JP2004216727A
Publication Date:
October 10, 2007
Filing Date:
July 26, 2004
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORPORATION
International Classes:
F01D5/30; F02C7/00; B21K25/00; B23B27/00; B23C3/28; B23P13/00; B23P15/00; B23P15/04; B24B19/02; F01D5/02; F01D25/00; B23D
Domestic Patent References:
| JP106122A |
Foreign References:
| WO2001096055A1 |
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi