发明名称 HOT ROLL FORGING DEVICE FOR BOTTOMED HOLLOW SHELL
摘要 PURPOSE:To perform cupping simply by single process by providing a pair of left and right columns, a guide and a shifting frame and simplifying charging of material, taking out of products and recharging of material. CONSTITUTION:The device consists of a pair of left and right columns A, B a guide 9, and a shifting frame C that can go and back along the guide 9. The column A has a turning mount 2 of a mandrel 4 that projects toward the shifting frame C. The column B is provided with a hydraulic cylinder 16 used to press a push rod 17 facing the end face of the mandrel 4 and the second hydraulic cylinder 14 that performs positioning of the shifting frame C. Above-mentioned shifting frame C holds a roll housing 21 allowing free rotation at a position where the mandrel 4 is intruded inside, and at the same time, provided with a motor that rotates the housing 21.
申请公布号 JPS5844937(A) 申请公布日期 1983.03.16
申请号 JP19810142997 申请日期 1981.09.10
申请人 OOSHIMA KOGYOSHO:KK 发明人 TONUMA GENZOU
分类号 B21B19/04;B21B19/06;B21H1/18 主分类号 B21B19/04
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