THERMAL SPRAYING PREPROCESSING GEOMETRY, THERMAL SPRAYING PREPROCESSING METHOD, AND THERMAL SPRAYING PREPROCESSING DEVICE

Title:

THERMAL SPRAYING PREPROCESSING GEOMETRY, THERMAL SPRAYING PREPROCESSING METHOD, AND THERMAL SPRAYING PREPROCESSING DEVICE

Document Type and Number:

WIPO Patent Application WO/2010/146977

Kind Code:

A1

Abstract:

A boring cutter body (5) is inserted into a circular hole (3) and moved in an axial direction while being rotated, thereby forming a screw-shaped trough portion (11) by a cutting tool (9) provided on an end circumferential portion of the boring cutter body (5) and also forming a broken-out section (15) formed by breaking a crest portion occurring as a result of the formation of the trough portion (11). Further, electric discharge machining is performed on the trough portion (11) by means of a wire electrode (17) provided backward in the rotational direction of the boring cutter body (5) relative to the cutting tool (9), thereby forming a fine irregularity portion (41) having a finer irregular geometry than the broken-out section (15).

Inventors:

HASEGAWA KIYOSHI
ADACHI SHUUJI
UCHIYAMA MITSUO
NOGUCHI YOSHIROU
IWASAKI TAKAHIRO
NISHIMURA KIMIO

Application Number:

PCT/JP2010/058899

Publication Date:

December 23, 2010

Filing Date:

May 26, 2010

Export Citation:

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Assignee:

NISSAN MOTOR (JP)
HASEGAWA KIYOSHI
ADACHI SHUUJI
UCHIYAMA MITSUO
NOGUCHI YOSHIROU
IWASAKI TAKAHIRO
NISHIMURA KIMIO

International Classes:

C23C4/02; B23H1/00; B23H9/00; F02F1/00

Foreign References:

JP3780840B2	2006-05-31
JP2002276662A	2002-09-25

Other References: