TURBINE BLADE MACHINING METHOD, MACHINING TOOL, AND TURBINE BLADE

Title:

TURBINE BLADE MACHINING METHOD, MACHINING TOOL, AND TURBINE BLADE

Document Type and Number:

WIPO Patent Application WO/2014/132797

Kind Code:

A1

Abstract:

Provided are a turbine blade machining method, a machining tool, and a turbine blade, with which a through-hole running from the surface of the turbine blade to the interior thereof can be machined efficiently. This turbine blade machining method, whereby a through-hole is machined in a turbine blade wherein a protective film has been formed on a substrate surface, has: an insertion step, wherein a machining tool, at the tip of which a grinding region is provided, is inserted into the through-hole, with an orientation such that the grinding region faces the surface of the through-hole; and a removal step, wherein the protective film that has accumulated in the through-hole is ground by the grinding region of the machining tool inserted into the through-hole, thereby removing the protective film that has accumulated in the through-hole.

Inventors:

SONOO TOMOMI (JP)

Application Number:

PCT/JP2014/053196

Publication Date:

September 04, 2014

Filing Date:

February 12, 2014

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

F02C7/00; B24B19/14; F01D5/18; F01D9/02; F01D25/00

Foreign References:

JP2009510302A	2009-03-12
JPH0430956A	1992-02-03
JP2002256808A	2002-09-11
JP2002105666A	2002-04-10
JPS63216676A	1988-09-08
JPH03234451A	1991-10-18
JPS61144947U	1986-09-06
JP2012082700A	2012-04-26
JP2012140952A	2012-07-26

Other References: