公开(公告)号：US20120224928A1

公开(公告)日：2012-09-06

申请号：US13471770

申请日：2012-05-15

申请人： Hai-Bo Yu

发明人： Hai-Bo Yu

IPC分类号： B23C5/10

CPC分类号： B23C5/10 ,  B23C2210/0407 ,  B23C2210/201 ,  B23C2226/61 ,  Y10T407/1908 ,  Y10T407/1946

摘要： A milling cutter includes a cutting portion including a depression portion and a sidewall surrounding the depression portion, wherein an exterior surface of the sidewall is a cylindrical surface, each of two parts of an internal surface of the sidewall is a slanted surface, so as to form two teeth. The cutting portion is a cylinder with a free end cut off by two virtual surface whose sectional view is V-shaped to form two teeth symmetrical with each other, and the depression portion is defined in the free end.

摘要翻译： 铣刀包括切割部分，该切割部分包括凹陷部分和围绕所述凹陷部分的侧壁，其中所述侧壁的外表面是圆柱形表面，所述侧壁的内表面的两个部分中的每一个都是倾斜表面， 形成两颗牙齿。 切割部分是具有自由端的两个虚拟表面的圆柱体，其截面为V形以形成彼此对称的两个齿，并且凹陷部分限定在自由端。