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No.1019 2022自動車関連技術特集号 ホブ加工歯面多角形誤差の解析

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筆者 生産技術本部 駆動生産技術部 板屋大樹 
生産技術本部 ステアリング生産技術部 小幡俊祐 中川 悟
要旨 Hob gear cutting is widely used as an inexpensive and highly accurate processing method. Even in the rack and pinion type used in electric power steering, the pinion is machined by hob gear cutting, which has a major impact on performance. Hob processing is an extremely complicated processing in which a large number of cutting edges process the tooth surface, so analysis and evaluation are commensurately difficult. The authors clarified the mechanism of tooth surface creation for hob gear cutting and developed analysis software. We also proposed a new evaluation method. Finally, we prototyped and evaluated gears using this method, actually mounted them on an electric power steering system, and confirmed the usefulness of this method.
キーワード hob, polygonal error, electric power steering, rack and pinion gear, friction force, tooth surface
関連リンク

小林 恒, 柴田英紀:ラック&ピニオンかみあいによるステアリング用ラック揺動トルクの理論推定, JTEKT ENGINEERING JOURNAL, No. 1006(2009)24.

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JTEKT ENGINEERING JOURNAL

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