T. Umemura
,
Y.Zhou
,
S.Kamimura
,
N.Motoi
,
Y Ohta
,
N. Yamaguchi
材料科学技术（英文）
The die motions of a new forging process for automation with an intermediate die assembly called hamburger were analyzed through high-speed video pictures. The results showed that the upper die that is assembled in the hamburger and retained over the lower die collides few times with the ram and wor...
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