塑性と加工
Online ISSN : 1882-0166
Print ISSN : 0038-1586
ISSN-L : 0038-1586
論文
ハイテン材の平滑・高精度切り口面を得る方法
― 高強度鋼板のせん断加工に関する研究 第1報 ―
村川 正夫中村 健太土屋 敏郎松本 朗古閑 伸裕
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2013 年 54 巻 628 号 p. 431-435

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Methods by which smooth and high-precision cut surfaces of high strength steel sheets with strength of up to 980MPa class have been investigated using a servo press in which the average punching speed can be varied from 2 to 140mm·s-1. A method called finish blanking has been performed, and the other method called press shaving has also been conducted to obtain either smooth cut surfaces or highly precise product shapes and dimensional sizes. The results show that both methods can yield good cut surfaces if appropriate working parameters including punch/die clearance, edge radius and punching speed are used. However, as regards shape and dimensional accuracies, the press shaving method yielded the most satisfactory results.

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© 2013 一般社団法人 日本塑性加工学会
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