发明授权
US4703142A Method of combining grinding and EDM operation for finishing fuel
injector nozzle bodies
失效
将磨削和EDM操作相结合的方法，用于整理燃油喷射器喷嘴体
- 专利标题： Method of combining grinding and EDM operation for finishing fuel injector nozzle bodies
- 专利标题（中）： 将磨削和EDM操作相结合的方法，用于整理燃油喷射器喷嘴体
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申请号： US857880申请日： 1986-05-01
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公开(公告)号： US4703142A公开(公告)日： 1987-10-27
- 发明人: Victor F. Dzewaltowski , James Halvorsen , John M. Check
- 申请人： Victor F. Dzewaltowski , James Halvorsen , John M. Check
- 申请人地址： MI Walled Lake
- 专利权人： Ex-Cell-O Corporation
- 当前专利权人： Ex-Cell-O Corporation
- 当前专利权人地址： MI Walled Lake
- 主分类号： B23H5/00
- IPC分类号： B23H5/00 ; B23H9/00 ; B23H9/14 ; B23H1/00 ; B23H9/10
摘要：
A combined grinding and EDM apparatus has an indexable rotary turret with work heads secured thereon to locate a pair of nozzle body blanks with their longitudinal axes in spaced parallelism; and compound cross and longitudinal slide assemblies carrying either grinding tools or non-contact machining tools which work on the blanks to form a valve guide bore and a valve seat shaped as a frustrum of a cone whose axis is concentric with the bore; the valve seat cone surface having a small end diameter to large end diameter ratio in the order of 1-50.
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