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Development of Laser Clad Welded Valve Seat

Article of Honda R&D Technical Review F1 Special (The third Era Activities)

Summary

Laser clad welded valve seats can expand the flexibility of layout compared to conventional press fit valve seats. The slot form, the shape and amount of the powder to be supplied, and the laser output parameters were optimized and balanced, quality assurance requirements were established, and the valve diameter was expanded by 1 mm. This achieved an increase in engine power of 6 kW at high water temperatures. In addition, the continuous use of one engine over the distance for two Formula One race events was supported by enhancing the powder materials.

Author (organization or company)

Nobuyuki IMAI(Automobile R&D Center)、Hiroaki NISHIDA(Aircraft Engine R&D Center)

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