Exploratory investigation of chip formation and surface integrity in ultra-high-speed gear hobbing

Yuki Ueda; Noriyuki Sakurai; Tatsuro Takagi; Kazuyuki Ishizu; Jiwang Yan

doi:10.1016/j.cirp.2022.03.030

Exploratory investigation of chip formation and surface integrity in ultra-high-speed gear hobbing

Yuki Ueda, Noriyuki Sakurai, Tatsuro Takagi, Kazuyuki Ishizu, Jiwang Yan

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Gear hobbing is widely employed to manufacture automotive gears, where the productivity depends on the cutting speed. Currently, gear hobbing is performed at ∼300 m/min using high-speed steel hob cutters. In this study, ultra-high-speed gear hobbing was attempted using a large-diameter cemented carbide hob cutter on a gear grinder. This enabled a cutting speed up to 2450 m/min. Many interesting phenomena were acquired in this speed range. Chips were severely oxidized, whereas the gear surface was not affected. Compressive residual stress was generated at the gear surfaces with low surface roughness and high hardness, while the wear of hob cutter was insignificant.

Original language	English
Pages (from-to)	89-92
Number of pages	4
Journal	CIRP Annals
Volume	71
Issue number	1
DOIs	https://doi.org/10.1016/j.cirp.2022.03.030
Publication status	Published - 2022 Jan

Keywords

Chip formation
Gear hobbing
Surface integrity

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.cirp.2022.03.030

Cite this

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abstract = "Gear hobbing is widely employed to manufacture automotive gears, where the productivity depends on the cutting speed. Currently, gear hobbing is performed at ∼300 m/min using high-speed steel hob cutters. In this study, ultra-high-speed gear hobbing was attempted using a large-diameter cemented carbide hob cutter on a gear grinder. This enabled a cutting speed up to 2450 m/min. Many interesting phenomena were acquired in this speed range. Chips were severely oxidized, whereas the gear surface was not affected. Compressive residual stress was generated at the gear surfaces with low surface roughness and high hardness, while the wear of hob cutter was insignificant.",

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AU - Takagi, Tatsuro

AU - Ishizu, Kazuyuki

AU - Yan, Jiwang

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N2 - Gear hobbing is widely employed to manufacture automotive gears, where the productivity depends on the cutting speed. Currently, gear hobbing is performed at ∼300 m/min using high-speed steel hob cutters. In this study, ultra-high-speed gear hobbing was attempted using a large-diameter cemented carbide hob cutter on a gear grinder. This enabled a cutting speed up to 2450 m/min. Many interesting phenomena were acquired in this speed range. Chips were severely oxidized, whereas the gear surface was not affected. Compressive residual stress was generated at the gear surfaces with low surface roughness and high hardness, while the wear of hob cutter was insignificant.

AB - Gear hobbing is widely employed to manufacture automotive gears, where the productivity depends on the cutting speed. Currently, gear hobbing is performed at ∼300 m/min using high-speed steel hob cutters. In this study, ultra-high-speed gear hobbing was attempted using a large-diameter cemented carbide hob cutter on a gear grinder. This enabled a cutting speed up to 2450 m/min. Many interesting phenomena were acquired in this speed range. Chips were severely oxidized, whereas the gear surface was not affected. Compressive residual stress was generated at the gear surfaces with low surface roughness and high hardness, while the wear of hob cutter was insignificant.

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KW - Surface integrity

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Exploratory investigation of chip formation and surface integrity in ultra-high-speed gear hobbing

Abstract

Keywords

ASJC Scopus subject areas

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