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    • 8. 发明授权
    • Metal cutting insert, and tool therefor, and method of mounting insert
    • 金属切削刀片及其刀具,以及安装刀片的方法
    • US6053671A
    • 2000-04-25
    • US981286
    • 1998-04-09
    • Robert StedtSven EklundBertrand Riviere
    • Robert StedtSven EklundBertrand Riviere
    • B23C5/22B23C5/20
    • B23C5/2221B23C2200/0422B23C2200/045B23C2200/125B23C2200/126B23C2200/167B23C2200/168B23C2210/168Y10T407/191Y10T407/1926Y10T407/1934Y10T407/20
    • A cutting tool, preferably for milling, includes a holder and a cutting insert mounted thereon. The holder includes a seat upon which the insert is mounted, and an upstanding wall structure against which an edge face of the insert is pressed. The edge face has upper and lower portions separated by a step. The upper portion is frustoconical and is pressed against an upper wall of the wall structure to frictionally resist rotation of the insert about the insert's center axis. The lower portion of the edge face is polygonal and is adapted to engage a lower wall of the wall structure at a location spaced radially inwardly from a location where the upper portion and upper wall make contact. The lower portion rotates into engagement with the lower wall in response to cutting forces acting on the insert, to create an interference relationship between the lower portion and lower wall which prevents further rotation of the insert.
    • PCT No.PCT / SE96 / 00784 Sec。 371日期:1998年4月9日 102(e)1998年4月9日PCT PCT 1996年6月18日PCT公布。 出版物WO97 / 00750 日期1997年1月9日优选用于铣削的切削工具包括安装在其上的保持器和切削刀片。 保持器包括一个安装有插入件的座,以及直立的壁结构,使得插入件的边缘面被按压。 边缘面具有由台阶分开的上部和下部。 上部是截头圆锥形的并且被压靠在壁结构的上壁上以摩擦地抵抗插入件围绕插入件的中心轴的旋转。 边缘面的下部是多边形的并且适于在与上部和上部壁接触的位置处径向向内间隔开的位置处接合壁结构的下壁。 响应于作用在插入件上的切割力,下部旋转成与下壁接合,以在下部和下壁之间形成干涉关系,从而防止插入件进一步旋转。