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公开(公告)号:US20050100419A1
公开(公告)日:2005-05-12
申请号:US10780273
申请日:2004-02-17
申请人: Timothy Stokey , Greg Fiegl , Joseph Nuzzi , Wendell Mast
发明人: Timothy Stokey , Greg Fiegl , Joseph Nuzzi , Wendell Mast
IPC分类号: B23B20060101 , B23B51/00 , B23D77/00 , B27G15/00
CPC分类号: B23B51/0009 , B23B2251/446 , B23B2251/48 , B23B2251/50 , B23B2270/30 , Y10S408/713 , Y10T408/909 , Y10T408/90993
摘要: A spade drill insert and drilling tool assembly is provided wherein the lands of the spade drill insert have helical margins which provide increased stability during cutting operations. The margin may have a helical trailing side or leading side, a parallel helical margin, or may also include a gullet or flute adjacent the helical margin.
摘要翻译: 提供了一种铲形钻头和钻孔工具组件,其中铲形钻头插入件的平台具有螺旋边缘,其在切割操作期间提供增加的稳定性。 边缘可以具有螺旋的后侧或前侧,平行的螺旋边缘,或者也可以包括邻近螺旋边缘的齿槽或槽纹。
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公开(公告)号:US07011478B2
公开(公告)日:2006-03-14
申请号:US10780273
申请日:2004-02-17
IPC分类号: B23B51/02
CPC分类号: B23B51/0009 , B23B2251/446 , B23B2251/48 , B23B2251/50 , B23B2270/30 , Y10S408/713 , Y10T408/909 , Y10T408/90993
摘要: A spade drill insert and drilling tool assembly is provided wherein the lands of the spade drill insert have helical margins which provide increased stability during cutting operations. The margin may have a helical trailing side or leading side, a parallel helical margin, or may also include a gullet or flute adjacent the helical margin.
摘要翻译: 提供了一种铲形钻头和钻孔工具组件,其中铲形钻头插入件的平台具有螺旋边缘,其在切割操作期间提供增加的稳定性。 边缘可以具有螺旋的后侧或前侧,平行的螺旋边缘,或者也可以包括邻近螺旋边缘的齿槽或槽纹。
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