Invention Application
- Patent Title: Method for producing a wheel disc
- Patent Title (中): 制造车轮盘的方法
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Application No.: US11345530Application Date: 2006-02-01
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Publication No.: US20070175038A1Publication Date: 2007-08-02
- Inventor: Utz Jacke , Ramon Aquilue , Jordi Bosch
- Applicant: Utz Jacke , Ramon Aquilue , Jordi Bosch
- Assignee: Hayes Lemmerz International
- Current Assignee: Hayes Lemmerz International
- Main IPC: B21D53/26
- IPC: B21D53/26

Abstract:
A method of forming a wheel disc starts with a flat blank. A plurality of windows are formed in the wheel disc, wherein each window has a respective outer edge proximate with a continuous outer band around a periphery of the wheel disc. The windows define a plurality of spokes between adjacent windows, and the angular size of each of the windows along the outer band is preferably greater than the angular size of each of the spokes. The outer band is partially closed toward a cylindrical shape by engaging a cam die against at least a portion of the outer band. The outer band is substantially fully closed into a cylindrical shape by axially wiping the outer band using a cylindrical die. The intermediate camming operation achieves the desired final shape after wiping without introducing stresses that would weaken or distort the wheel disc.
Public/Granted literature
- US07559145B2 Method for producing a wheel disc Public/Granted day:2009-07-14
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