Honda Motor Co., Ltd.

Ken Hashimoto

Hiroyuki Eguchi

Chiyoko Nemoto

Kazuya Saito

Toshifumi Matsuda

Kotaro Fujikura

Kohei Teshima

Hideaki Akahoshi

Jiro Watanabe

Michio Nakamura

Masayasu Nishida

Yuichiro Tamura

This laser irradiation mechanism includes a control unit which has a function allowing the focal point of a laser beam to describe a circle, performs control such that the focal point describes a spiral, and performs control such that the central axis of the spiral moves along a curved surface.

Laser welding device and laser welding method

A press-die is provided with a lower die and an upper die. The lower die includes a drawing punch, a blank holder, and a cushion part. The upper die includes a drawing die part, and a trimming part. The blank holder includes a first holder part disposed to face to an end portion of the drawing die part, and a second holder part disposed to face to the trimming part. The second holder part has a drawing support portion that supports a first portion of a bottom surface of the first holder part. The drawing punch has a trimming support portion that supports a second portion of the bottom surface of the first holder part. The first holder part has a lower trimming blade at an outer edge thereof. The trimming part has an upper trimming blade at an inner edge thereof.

Press-die and press working method

Growing community of inventors

Tochigi-ken, Japan

Ken Hashimoto