Title:
METHOD FOR QUENCHING CAM
Document Type and Number:
Japanese Patent JP3849638
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for comparatively easily quenching an article only by controlling a uniaxial feed.
SOLUTION: This quenching method comprises setting a focal position F of the laser beam L so that a cam nose part Cn which is an object of quenching treatment of a cam lobe C can be positioned in an in-focus side than the focal position F; irradiating the cam nose part Cn with a laser beam L which has a flat rectangular shape parallel to an axis line of the cam lobe C; setting the cam lobe C as a fixed side, and a laser oscillator R as a movable side; and moving the laser beam L in a vertical direction A to each of the irradiation axis line of the laser beam and the axis line of the cam lobe C.
Inventors:
Koichi Kanai
Application Number:
JP2002373473A
Publication Date:
November 22, 2006
Filing Date:
December 25, 2002
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
C21D9/30; F01L1/04; C21D1/09; F01L1/08; F16H53/02; (IPC1-7): C21D9/30; C21D1/09; F01L1/04; F01L1/08; F16H53/02
Domestic Patent References:
| JP3122212A | ||||
| JP7500632A | ||||
| JP11269536A | ||||
| JP7090358A | ||||
| JP2175090A |
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Hiromichi Kobayashi
Tomioka Kiyoshi
Hiromichi Kobayashi
Tomioka Kiyoshi