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    • 2. 发明授权
    • Indexable insert for thread cutting and slotting
    • 用于螺纹切割和缝合的可索引插入
    • US5230590A
    • 1993-07-27
    • US777334
    • 1991-11-27
    • Richard D. BohannanReinar Schmidt
    • Richard D. BohannanReinar Schmidt
    • B23B27/06B23G5/00
    • B23B27/065Y10T407/2282Y10T407/23Y10T407/25
    • In thread cutting and slotting, indexable inserts of hard metal are now used. Usually, the inserts used have been of triangular type. In order to improve cutting economy, implying improved positioning, closer tolerances, and increased strength, an insert (1) has been developed for use in, for example, internal thread cutting, said insert (1) being formed with two cutting edges (2, 2') on a bevelled cutting body (1, 3). Since the cutting body (1) is located on a cutting column (10), the cross section of which is symmetrical, the insert with the cutting body (1) and the cutting column (10) may be reversed half a turn with essentially retained directional geometry. The insert (1, 10) has a plurality of plane guiding and contact surfaces (5, 5', 6, 6', 14, 14') adapted to match the corresponding plane guiding and contact surfaces in an insert holder (13) in order to achieve correct positioning of the indexable insert in the insert holder.
    • PCT No.PCT / SE90 / 00379 Sec。 371日期1991年11月27日 102(e)日期1991年11月27日PCT提交1990年5月31日PCT公布。 出版物WO90 / 14916 PCT 日期1990年12月13日。在螺纹切割和开槽中,现在使用硬质合金的可转位刀片。 通常,所使用的刀片是三角形的。 为了提高切削经济性,意味着改进的定位,更宽的公差和增加的强度,已经开发了用于例如内螺纹切削的刀片(1),所述刀片(1)形成有两个切削刃 ,2')在斜切的切割体(1,3)上。 由于切割体(1)位于切割柱(10)上,其横截面是对称的,具有切割体(1)和切割柱(10)的插入件可以基本保持半个转弯 定向几何。 插入件(1,10)具有多个平面引导和接触表面(5,5',6',6“,14”,14“),其适于使插入件保持器(13)中相应的平面引导和接触表面匹配 以便将可转位刀片正确定位在刀片座中。
    • 3. 发明授权
    • Cut-off and slotting insert having cutting edges on four symmetrical
corners
    • 切割和开槽刀片在四个对称角上具有切割边
    • US5529440A
    • 1996-06-25
    • US150178
    • 1994-06-27
    • Reinar Schmidt
    • Reinar Schmidt
    • B23B27/04B23B27/08B23B27/14B23B27/16B23B27/06
    • B23B27/1622B23B27/08B23B2220/12Y10T407/23Y10T407/25
    • In order to improve cutting insert economy with simplified manufacture, an exchangeable insert (1) is configured generally symmetrical in the form of a four-cornered plate with four cutting edges (4) in the corners respectively and with plane-parallel abutment surfaces (5) disposed between the cutting edge portions and at right angles to each other. All of the cutting edge portions are mutually identical to each other, and each cutting edge portion is symmetrically formed about a bisector which passes through a circular center hole in the insert. This is provided in order to achieve a high degree of accuracy with respect to position and direction when attaching the cutting insert to the holder (3). Manufacture of the cutting insert is simplified considerably by gathering several insert blanks into a pack and first grinding the blanks simultaneously to their correct external shape and then fitting each insert-blank in a fixture in a diamond pattern, in which the edges of each insert-blank can be ground individually to its intended form.
    • PCT No.PCT / SE92 / 00357 Sec。 371日期1994年6月27日第 102(e)日期1994年6月27日PCT提交1992年5月26日PCT公布。 出版物WO92 / 21465 日期为1992年12月10日。为了通过简化制造改善切削刀片经济性,可交换刀片(1)被构造成四角形板的形状大致对称,在角部分别具有四个切削刃(4) 平面平行的邻接表面(5),设置在切割边缘部分之间并且彼此成直角。 所有切削刃部分彼此相同,并且每个切削刃部分围绕穿过刀片中的圆形中心孔的平分线对称地形成。 这是为了在将切削刀片安装到保持器(3)上时相对于位置和方向获得高精度的。 通过将多个插入坯件聚集到一个包装中并且首先将坯件同时磨削成正确的外部形状,然后将每个插入物坯料以金刚石图案装配在固定装置中,从而大大简化了切削刀片的制造,其中每个插入件的边缘 空白可以单独地到达其预期形式。