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    • 10. 发明授权
    • Tool for producing crown wheels, and method for producing such a tool
    • 用于制造冠轮的工具,以及用于制造这种工具的方法
    • US5494475A
    • 1996-02-27
    • US50410
    • 1993-05-14
    • Augustinus F. H. BassteinGustaaf A. Uittenbogaart
    • Augustinus F. H. BassteinGustaaf A. Uittenbogaart
    • B23F15/06B23F21/02B23F21/16B24B3/12B24D7/18B23F23/10B23F5/08
    • B23F21/16B23F15/06B23F21/026B24B3/12Y10T407/174
    • A tool for producing crown wheels by means of a generating process comprises a disc which is rotatable about its axis, with machining elements which are provided on the periphery thereof and the cutting edges of which lie in the outer surface of a profile determining the shape of the teeth of a crown wheel to be produced with the tool, said profile extending essentially helically over the periphery of the disc. In each cross-section of the helical profile the outer contour (25) of the cross-section is at least of a part of the outer contour of the tooth profile of an imaginary gear wheel (23) with involute teeth and preferably straight lines connecting thereto, in such a way that in the case of each of the teeth (22) with a tooth tip and two tooth flanks bounded by the outer contour (25) of the cross-section the distance between each of the two tooth flanks and a line at right angles to the axis of rotation of the tool and passing through the tooth tip remains the same or increases from the tooth tip to the axis of rotation of the tool.
    • PCT No.PCT / NL91 / 00245 Sec。 371日期:1993年5月14日 102(e)日期1993年5月14日PCT 1991年11月29日PCT PCT。 出版物WO92 / 09395 日期:1992年6月11日。用于通过生成工艺制造冠轮的工具包括可围绕其轴线旋转的盘,其具有设置在其周边上的加工元件,其切削刃位于外表面 确定要用工具生产的冠轮的形状的轮廓,所述轮廓基本上螺旋地延伸越过盘的周边。 在螺旋形轮廓的每个横截面中,横截面的外轮廓(25)至少是具有渐开线齿的假想齿轮(23)的齿廓的外轮廓的一部分,并且优选地是直线连接 以这样的方式,在每个齿(22)具有齿顶部和两个齿面的情况下,两个齿面由横截面的外轮廓(25)限定,两个齿面中的每一个之间的距离和 与工具的旋转轴线成直角并且穿过齿尖的线保持相同或从齿尖到工具的旋转轴线的增加。