異種層状円筒試料の押出しによる歯車の成形

Translated title of the contribution: Shaping of Gear by Cold Extrusion Using Double Cylindrically Layered Workpiece Consisting of Different Materials

吉田 始, 沢木 洋三, 坂井田 喜久, 中村 保, 早川 邦夫, 矢代 茂樹

Research output: Contribution to journal › Article

Abstract

<tt> A layered workpiece consisting of a surface layer (sleeve) of the high-carbon steel S45C and an inner layer (core) of the low-carbon steel S15C was used to study the conditions for gear extrusion. The specifications of the gear examined are as follows: module </tt><tt><i>m</i></tt><tt>=1.25 - 3.0 mm, number of teeth </tt><tt><i>Z</i></tt><tt>=18 - 11, and whole depth </tt><tt><i>h</i></tt><tt>=2.25 module. The conditions for obtaining a layered gear with a carbon content that allows the hardening of only the surface layer by high-frequency hardening were investigated in terms of sleeve thickness, reduction in area, and other factors. The result showed that such a layered gear could be produced, and that the punch pressure required was far below the strength of the punch material. Because high-frequency hardening allows processing within a short time period, it appears possible to produce such gears in a production line including heat treatment. However, because the sleeve and core were not jointed, the extrusion of the core and a low deformation resistance in ahead of the sleeve were obse</tt><tt>rved. </tt>
Original languageJapanese
Pages (from-to)929-933
Number of pages5
Journal塑性と加工
Volume53
Issue number621
DOIs
Publication statusPublished - Oct 25 2012

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Extrusion
Gears
Hardening
Low carbon steel
Carbon steel
Heat treatment
Specifications
Carbon
Processing

Cite this

吉田始, 沢木洋三, 坂井田喜久, 中村保, 早川邦夫, & 矢代茂樹 (2012). 異種層状円筒試料の押出しによる歯車の成形. 塑性と加工, 53(621), 929-933. https://doi.org/10.9773/sosei.53.929

異種層状円筒試料の押出しによる歯車の成形. / 吉田始; 沢木洋三; 坂井田喜久; 中村保; 早川邦夫; 矢代茂樹.

In: 塑性と加工, Vol. 53, No. 621, 25.10.2012, p. 929-933.

Research output: Contribution to journal › Article

吉田始, 沢木洋三, 坂井田喜久, 中村保, 早川邦夫 & 矢代茂樹 2012, '異種層状円筒試料の押出しによる歯車の成形', 塑性と加工, vol. 53, no. 621, pp. 929-933. https://doi.org/10.9773/sosei.53.929
吉田始, 沢木洋三, 坂井田喜久, 中村保, 早川邦夫, 矢代茂樹. 異種層状円筒試料の押出しによる歯車の成形. 塑性と加工. 2012 Oct 25;53(621):929-933. https://doi.org/10.9773/sosei.53.929
吉田始 ; 沢木洋三 ; 坂井田喜久 ; 中村保 ; 早川邦夫 ; 矢代茂樹. / 異種層状円筒試料の押出しによる歯車の成形. In: 塑性と加工. 2012 ; Vol. 53, No. 621. pp. 929-933.
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abstract = "A layered workpiece consisting of a surface layer (sleeve) of the high-carbon steel S45C and an inner layer (core) of the low-carbon steel S15C was used to study the conditions for gear extrusion. The specifications of the gear examined are as follows: module m=1.25 - 3.0 mm, number of teeth Z=18 - 11, and whole depth h=2.25 module. The conditions for obtaining a layered gear with a carbon content that allows the hardening of only the surface layer by high-frequency hardening were investigated in terms of sleeve thickness, reduction in area, and other factors. The result showed that such a layered gear could be produced, and that the punch pressure required was far below the strength of the punch material. Because high-frequency hardening allows processing within a short time period, it appears possible to produce such gears in a production line including heat treatment. However, because the sleeve and core were not jointed, the extrusion of the core and a low deformation resistance in ahead of the sleeve were observed.",
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AU - 吉田, 始

AU - 沢木, 洋三

AU - 坂井田, 喜久

AU - 中村, 保

AU - 早川, 邦夫

AU - 矢代, 茂樹

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N2 - A layered workpiece consisting of a surface layer (sleeve) of the high-carbon steel S45C and an inner layer (core) of the low-carbon steel S15C was used to study the conditions for gear extrusion. The specifications of the gear examined are as follows: module m=1.25 - 3.0 mm, number of teeth Z=18 - 11, and whole depth h=2.25 module. The conditions for obtaining a layered gear with a carbon content that allows the hardening of only the surface layer by high-frequency hardening were investigated in terms of sleeve thickness, reduction in area, and other factors. The result showed that such a layered gear could be produced, and that the punch pressure required was far below the strength of the punch material. Because high-frequency hardening allows processing within a short time period, it appears possible to produce such gears in a production line including heat treatment. However, because the sleeve and core were not jointed, the extrusion of the core and a low deformation resistance in ahead of the sleeve were observed.

AB - A layered workpiece consisting of a surface layer (sleeve) of the high-carbon steel S45C and an inner layer (core) of the low-carbon steel S15C was used to study the conditions for gear extrusion. The specifications of the gear examined are as follows: module m=1.25 - 3.0 mm, number of teeth Z=18 - 11, and whole depth h=2.25 module. The conditions for obtaining a layered gear with a carbon content that allows the hardening of only the surface layer by high-frequency hardening were investigated in terms of sleeve thickness, reduction in area, and other factors. The result showed that such a layered gear could be produced, and that the punch pressure required was far below the strength of the punch material. Because high-frequency hardening allows processing within a short time period, it appears possible to produce such gears in a production line including heat treatment. However, because the sleeve and core were not jointed, the extrusion of the core and a low deformation resistance in ahead of the sleeve were observed.

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