Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press

Matsumoto, Ryo; Jeon, Jae Yeol; Utsunomiya, Hiroshi

doi:https://doi.org/10.1016/j.jmatprotec.2012.11.023

Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press

Matsumoto, Ryo; Jeon, Jae Yeol; Utsunomiya, Hiroshi

Journal of Materials Processing Technology, 2013, 213(5), 770-778

アクセス数:487件（2025-08-28 19:39 集計）

固定URL: https://hdl.handle.net/11094/94000

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タイトル	Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press
著者	NRID 1000050362645 1000050362645 ORCID 0000-0002-4477-2139 0000-0002-4477-2139 researchmap permalink ryo-matsumoto ryo-matsumoto Scopus Author ID 35512063000 35512063000 著者名 Matsumoto, Ryo
	著者名 Jeon, Jae Yeol
	NRID 1000080252584 1000080252584 researchmap permalink read0042799 read0042799 Scopus Author ID 7102139699 7102139699 著者名 Utsunomiya, Hiroshi
キーワード等	Extrusion
	Forging
	Lubrication
	Servo press
	Shape accuracy
内容	Matsumoto R., Jeon J., Utsunomiya H.. Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press. Journal of Materials Processing Technology 213, 770 (2013); https://doi.org/10.1016/j.jmatprotec.2012.11.023.
抄録	A method for keeping lubrication in the backward extrusion of deep holes for lightweight structural components is proposed utilizing a servo press and a punch with an internal channel for liquid lubricant supply. The punch is pushed into the specimen with a servo press in a manner that combines pulsed and stepwise modes. Sufficient liquid lubricant is periodically supplied to the deformation zone through the internal channel upon the retreat of the punch. The appropriate punch motions for prevention of galling of the formed hole for extrusion ratios in the range 1.07-1.80 were determined in the proposed forming method using a servo press. Furthermore, the proposed method was found to produce the formed holes with high shape accuracy. The shape accuracy of the formed hole is discussed with experimental and finite element simulation results in terms of lubrication state and temperature change. © 2012 Elsevier B.V.
出版者	Elsevier Ltd
収録物名	Journal of Materials Processing Technology
巻(号)	213(5)
ページ	770-778
刊行年月	2013-05-01
言語	英語
ハンドルURL	https://hdl.handle.net/11094/94000
PISSN	09240136
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1016/j.jmatprotec.2012.11.023
アクセス権	open access
権利情報	© 2013. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Journal of Materials Processing Technology. 2013, 213(5), p. 770-778
DC.title	Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press
DC.creator	Matsumoto, Ryo
	Jeon, Jae Yeol
	Utsunomiya, Hiroshi
DC.publisher	Elsevier Ltd
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2013-05-01
DC.identifier	https://doi.org/10.1016/j.jmatprotec.2012.11.023
DC.subject	Extrusion
	Forging
	Lubrication
	Servo press
	Shape accuracy
DC.description	Matsumoto R., Jeon J., Utsunomiya H.. Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press. Journal of Materials Processing Technology 213, 770 (2013); https://doi.org/10.1016/j.jmatprotec.2012.11.023.
DCTERMS.abstract	A method for keeping lubrication in the backward extrusion of deep holes for lightweight structural components is proposed utilizing a servo press and a punch with an internal channel for liquid lubricant supply. The punch is pushed into the specimen with a servo press in a manner that combines pulsed and stepwise modes. Sufficient liquid lubricant is periodically supplied to the deformation zone through the internal channel upon the retreat of the punch. The appropriate punch motions for prevention of galling of the formed hole for extrusion ratios in the range 1.07-1.80 were determined in the proposed forming method using a servo press. Furthermore, the proposed method was found to produce the formed holes with high shape accuracy. The shape accuracy of the formed hole is discussed with experimental and finite element simulation results in terms of lubrication state and temperature change. © 2012 Elsevier B.V.
DC.rights	© 2013. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
DC.format	94000
citation_title	Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press
citation_author	Matsumoto, Ryo
	Jeon, Jae Yeol
	Utsunomiya, Hiroshi
citation_publisher	Elsevier Ltd
citation_language	英語
citation_date	2013-05-01
citation_journal_title	Journal of Materials Processing Technology
citation_volume	213
citation_issue	5
citation_firstpage	770
citation_lastpage	778
citation_doi	https://doi.org/10.1016/j.jmatprotec.2012.11.023
citation_public_url	https://hdl.handle.net/11094/94000

Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press

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