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Development of High Induction Stator Core

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

Summary

Stator core iron loss was reduced by 60% by optimizing the thickness and microstructure of iron-cobalt alloy, which shows a high induction, and by developing a new adhesive and surface treatment technology. A manufacturing process was developed that satisfies the required magnetic characteristics and dimensional accuracy, and a new production system was constructed for laminated parts. The newly developed stator enabled a 20% reduction in the motor size.

Reference

(1) Matsuoka, H.: Wakaru Denjikohan, Nippon Steel Corporation, p. 40 (1985) (in Japanese)

Author (organization or company)

Takehiro MIYOSHI(Automobile R&D Center)

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