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2 条记录 (耗时 0.017 秒)

    THROW-AWAY DRILL
    2.
    发明公开
    THROW-AWAY DRILL 失效
    BOHRER MIT WEGWERFEINSATZ。

    公开(公告)号：EP0460237A1

    公开(公告)日：1991-12-11

    申请号：EP91900955.5

    申请日：1990-12-21

    申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.

    发明人： NOGUCHI, Kazuo, c/o Itami Works of Sumitomo ,  MORI, Yoshikatsu, c/o Itami Works of Sumitomo ,  KITAGAWA, Nobuyuki, c/o Itami Works of Sumitomo ,  NOMURA, Toshio, c/o Itami Works of Sumitomo ,  ISOBE, Kazutaka, c/o Itami Works of Sumitomo

    IPC分类号： B23B51/00

    CPC分类号： B23B51/0009 ,  B23B27/141 ,  B23B51/02 ,  B23B51/048 ,  B23B2200/081 ,  B23B2205/02 ,  B23B2251/02 ,  B23B2251/48 ,  B23B2251/50 ,  Y10S408/713 ,  Y10S408/714 ,  Y10T407/27 ,  Y10T408/78 ,  Y10T408/901

    摘要： A throw-away drill which includes a cutting edge portion (31) for cutting a work and a shank portion for fitting to a predetermined position of a cutting tool, and in which the cutting edge portion is detachably and mechanically coupled to the shank portion (32). The cutting edge portion (31) and the shank portion (32) have complementary fitting portions and slits are formed in either one of the cutting edge portion (31) and the shank portion (32). When the cutting edge portion (31) and the shank portion (32) are fitted to each other, the opposed surfaces to these slits (34, 39) move away from each other and undergo elastic deformation, so that the resulting elastic force fixes the cutting edge portion (31) to the shank portion (32). Accordingly, screwing or the like is not necessary and the cutting edge portion (31) and the shank portion (32) can be coupled by mere press-in operation. Accordingly, working efficiency can be improved during the assembly process. A surface coated ultra-hard alloy is used as the material of the cutting edge portion (31), and steel as the material of the shank portion (32). Therefore, the cutting edge is excellent in wear resistance, adhesion resistance and heat crack resistance and the shank portion (32) a relatively low-coat throw-away drill.

    摘要翻译： 抛弃钻头包括用于切割工件和柄部分以用于装配到切割工具的预定位置的切割边缘部分（31），并且其中切割边缘部分可拆卸地和机械地联接到柄部分（32） ）。 切削刃部和柄部具有互补的配合部，狭缝形成在切削刃部和柄部中的任意一个上。 当切割边缘部分和柄部彼此嵌合时，这些狭缝（34,39）的相对表面彼此远离并且发生弹性变形，使得所产生的弹力将切割边缘部分固定到柄部 一部分。 因此，不需要螺纹连接等，仅通过压入操作即可将切削刃部和柄部联接。 因此，在组装过程中可以提高工作效率。 使用表面涂覆的超硬合金作为切削刃部分的材料，以及作为柄部的材料的钢。 因此，切削刃具有优异的耐磨性，耐粘附性和耐热裂纹性，并且刀柄部分具有相对较低的涂层抛掷钻头。 @（56pp Dwg.No.6 / 23）@。