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1. 发明授权

US3641872A Producing a curved surface with numerically controlled machine tool 失效
标题翻译：用数控机床生产弯曲表面
公开(公告)号：US3641872A
公开(公告)日：1972-02-15
申请号：US3641872D
申请日：1969-12-15
申请人： CHRISTER ULFHIELM
发明人： ULFHIELM CHRISTER
IPC分类号： B23Q33/00 , B23Q35/06 , B23C1/16
CPC分类号： B23Q33/00 , B23Q35/06 , Y10T409/300896 , Y10T409/302856
摘要： For machining a surface having compound curvature by means of a numerically controlled machine tool, a rotary cutting or grinding tool is used. It has a convex working surface that has the same circular profile on any radial plane through the tool''s rotational axis, which profile, on every such plane, has the same radius r about a center which has the same location relative to the tool axis. Machining is planned in terms of an imaginary reference surface which is at r distance from the desired surface as measured along outward normals to the desired surface at every point thereon. Said center in the tool is maintained in coincidence with the reference surface during machining. Various methods of determining the reference surface are disclosed.
摘要翻译：为了通过数控机床加工具有复合曲率的表面，使用旋转切削或研磨工具。它具有凸起的工作表面，在任何径向平面上通过工具的旋转轴线具有相同的圆形轮廓，该轮廓在每个这样的平面上围绕具有相对于刀具轴线具有相同位置的中心具有相同的半径r。根据沿着向外的法线测量到期望的表面的距离为期望的表面的假想参考表面计划加工，其中每个点处的所需表面。工具中的所述中心在加工过程中与参考面保持一致。公开了确定参考表面的多种方法。

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