Tooling design improvement of multistage cold forging of specialty shaped nuts using CAE and 3D printing

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 應用空間資訊系(所) > 期刊論文 > Item 310902800/30988

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標題:	Tooling design improvement of multistage cold forging of specialty shaped nuts using CAE and 3D printing
作者:	Hsia, Shao-Yi Chou, Yu-Tuan
貢獻者:	Kao Yuan Univ, Dept Mech & Automat Engn Chia Nan Univ Pharm & Sci, Dept Appl Geoinformat
關鍵字:	die service life special shaped nut 3D printing technology multistage process
日期:	2016
上傳時間:	2018-01-18 11:39:18 (UTC+8)
出版者:	Csme Trans
摘要:	Given its critical role in the fastener industry, cold forging is widely performed in automotive production, manufacturing, aviation, and 3C products. Personnel experience and trying error approaches provide a subjective and unreliable background despite their extensive use in fastener forming and die design owing to the difficulty in controlling the development schedule. This study used DEFORM-3D analysis software to investigate the die service life from producing specialty shaped nuts in a multistage cold forging process. Effective stress, effective strain, velocity field, and other quantitative metrics of dies and work-pieces can be obtained from numerical simulations. Herein, 3D printing technology is also implemented to create cold forging dies and deformed work-pieces for assessing the dimension of tooling assembly. This process allows engineers to gain a better understanding of the tooling design at development phase and derives the parts, which were previously just simulation results from DEFORM-3D forming software. Results can help a multistage processing factory establish a cold forming capacity for the development of new products. Consequently, the ability of self-design and self-manufacture of specialty shaped fasteners in Taiwan could be increased widely to enhance the international competitiveness of domestic industries.
關聯:	Transactions of the Canadian Society For Mechanical Engineering, v.40 n.4, pp.501-510
显示于类别:	[應用空間資訊系(所)] 期刊論文

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