Automotive Motor Innovation With Anisotropic Bonded Magnet — MAGFINE
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Abstract In 2002 Aichi steel has developed anisotropic NdFeB bonded magnets called MAGFINE25 which has the world's strongest bonded magnet with a maximum energy product of 25 MGOe. Using MAGFINE, a power seat motor used in automobile has been new designed to achieve 50% size and 40% weight reduction, and the new motor called MF motor has been launched in 2005. MAGFINE is expected to make a big progress of automobile small motor in weight reduction. In this paper, the recent progress for the anisotropic NdFeB bonded magnet MAGFINE will be reviewed about the hydrogen treatment technique, the mechanism, the new press production technique and the motor design.
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