粉体および粉末冶金
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
T11: High Profile Automotive Component Technology
Development of PM Parking Support Parts
Yoshiki HondaTakuya HazamaKentaro YoshidaDaisuke Harimoto
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ジャーナル オープンアクセス

2025 年 72 巻 Supplement 号 p. S1203-S1206

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Parking support parts are used for the parking lock system, which keeps a vehicle when it is parked. These parts have a wide variety of shapes depending on the layout of the transmission unit. In applying the PM technology to parking support parts, we advanced techniques such as powder removal compacting, undercut compacting, and irregular-shaped two-piece compacting by proposing product shapes suitable for net shape manufacturing. Furthermore, partial laser hardening was applied where wear resistance is required, ensuring accuracy. This method contributed to a 94.5 % reduction in CO2 emissions compared with conventional carburizing and quenching and enabled the development of environmentally friendly parking support parts.

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© 2025 by Japan Society of Powder and Powder Metallurgy

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