Rotary tube flaring using a conical punch with grooves for high forming limit and productivity

IF 3.2 3区 工程技术 Q2 ENGINEERING, INDUSTRIAL
Shohei Kajikawa, Kiwamu Uchida, Takashi Kuboki (1)
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引用次数: 0

Abstract

This paper presents rotary tube flaring using a conical punch with grooves to achieve a high flaring limit and productivity. The grooved punch improves the flaring limit by suppressing bucking because it reduces the axial load as the tube contacts the punch intermittently. The effects of groove size and number on formability were investigated using tubes of aluminium alloy AA1070 and copper alloy C1220. The limit flaring ratio increased by up to 2.8 times compared to that of conventional press forming when the groove size and number were appropriate. The appropriate groove size varied depending on the tube material used.
旋转管扩口采用锥形冲床与凹槽高成形极限和生产力
本文介绍了利用带凹槽的锥形冲头进行旋转管扩口,以达到较高的扩口极限和生产率。沟槽冲头通过抑制屈曲提高了扩口极限,因为它减少了管间歇性接触冲头时的轴向载荷。以铝合金AA1070和铜合金C1220为材料,研究了槽形尺寸和槽数对成形性能的影响。当坡口尺寸和数量适当时,极限扩口率比常规压成形提高了2.8倍。适当的凹槽尺寸取决于所使用的管材。
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来源期刊
Cirp Annals-Manufacturing Technology
Cirp Annals-Manufacturing Technology 工程技术-工程:工业
CiteScore
7.50
自引率
9.80%
发文量
137
审稿时长
13.5 months
期刊介绍: CIRP, The International Academy for Production Engineering, was founded in 1951 to promote, by scientific research, the development of all aspects of manufacturing technology covering the optimization, control and management of processes, machines and systems. This biannual ISI cited journal contains approximately 140 refereed technical and keynote papers. Subject areas covered include: Assembly, Cutting, Design, Electro-Physical and Chemical Processes, Forming, Abrasive processes, Surfaces, Machines, Production Systems and Organizations, Precision Engineering and Metrology, Life-Cycle Engineering, Microsystems Technology (MST), Nanotechnology.
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