Title: Laser welding technology for joining different sheet metals in a one-piece stamping process

Authors: F. Natsumi, K. Ikemoto, H. Sugiura, T. Yanagisawa, K. Azuma

Addresses: Toyota Motor Company, Ltd., 1 Motomachi-cho, Toyota-shi, Aichi-ken, 471 Japan. ' Toyota Motor Company, Ltd., 1 Motomachi-cho, Toyota-shi, Aichi-ken, 471 Japan. ' Toyota Motor Company, Ltd., 1 Motomachi-cho, Toyota-shi, Aichi-ken, 471 Japan. ' Toyota Motor Company, Ltd., 1 Motomachi-cho, Toyota-shi, Aichi-ken, 471 Japan. ' Toyota Motor Company, Ltd., 1 Motomachi-cho, Toyota-shi, Aichi-ken, 471 Japan

Abstract: A technique was developed of using laser welding to joint different thicknesses or strengths of sheet metal in a one-piece stamping process. This technology provides the following benefits: cost reduction, improved body accuracy, high body stiffness, body weight reduction and improvement of anti-corrosion characteristics.

Keywords: anti-corrosion properties; costs; laser welding; one-piece stamping; sheet metal joining; steel; weight reduction; corrosion resistance; cost reduction; body accuracy; high body stiffness; automotive manufacturing; automobile industry.

DOI: 10.1504/IJMPT.1992.036508

International Journal of Materials and Product Technology, 1992 Vol.7 No.2, pp.193 - 204

Published online: 04 Nov 2010 *

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