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1. CN103286185 - 冲压零件的成形方法

Office China
Application Number 201210589587.5
Application Date 28.12.2012
Publication Number 103286185
Publication Date 11.09.2013
Publication Kind A
IPC
B21D 22/26
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
22Shaping without cutting, by stamping, spinning, or deep-drawing
20Deep-drawing
26for making peculiarly, e.g. irregularly, shaped articles
CPC
B21D 11/20
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
11Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00
20Bending sheet metal, not otherwise provided for
B21D 22/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
22Shaping without cutting, by stamping, spinning, or deep-drawing
02Stamping using rigid devices or tools
Applicants 东普雷股份有限公司
Inventors 小笠原健一
Agents 中科专利商标代理有限责任公司 11021
Priority Data 2012035781 22.02.2012 JP
Title
(ZH) 冲压零件的成形方法
Abstract
(ZH)

本发明提供一种冲压零件的成形方法,即便在将弯曲冲压零件冲压成形的情形下,也可抑制凸缘部上的褶皱或褶皱重叠等的成形不良的产生。本发明的冲压零件的成形方法是将由顶面部(3)、侧壁部(5)及凸缘部(7)形成剖面帽状的弯曲冲压零件冲压成形的冲压零件的成形方法。而且,该成形方法包含:预备成形步骤,在平板状的坯材的宽度方向端部成形沿着长度方向延伸的折弯部(11);以及正式成形步骤,在残留有折弯部(11)的状态成形顶面部(3)与侧壁部(5)。

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