Title: Application of the plastic region fastening method to the production line

Authors: M. Katayose, Y. Sasaki

Addresses: Machine and Tools Engineering Department, Toyota Motor Corporation, 1 Toyota-cho, Toyota-shi, Aichi-ken, 471 Japan. ' Machine and Tools Engineering Department, Toyota Motor Corporation, 1 Toyota-cho, Toyota-shi, Aichi-ken, 471 Japan

Abstract: The plastic region fastening method is superior to the torque method. However, it has not been introduced into production lines because of the lack of an appropriate control technique and positive quality control. With a view to introducing the plastic region fastening method into production lines, appropriate fastening control was investigated. Finally, both the angle method with a range of compensation and a quality control method based on detection of the yield point were established. They are currently being used by Toyota on many of their engine parts.

Keywords: axial tension; bolts; bolt fastening; plastic region fastening; production lines; quality control; fastening control; Toyota; Japan; engine components; automobile industry; automotive components.

DOI: 10.1504/IJMPT.1991.036649

International Journal of Materials and Product Technology, 1991 Vol.6 No.1, pp.51 - 62

Published online: 05 Nov 2010 *

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