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    • 3. 发明公开
    • A cemented carbide insert as well as a cemented carbide blank for the manufacture of such cutting inserts
    • Hartmetallwendeplatte sowie Hartmetallrohling zur Herstellung derartiger Schneidplatten
    • EP2392426A2
    • 2011-12-07
    • EP11165234.3
    • 2011-05-09
    • Sandvik Intellectual Property AB
    • Edler, DanielNORDIN, Elisabeth
    • B23B27/14B23P15/30
    • B23B27/145B23B2200/165B23B2226/125B23B2226/315B23B2240/11Y10T407/23Y10T407/235Y10T407/24Y10T407/26Y10T428/24479
    • The invention relates to a cemented carbide insert intended for chip removing machining, in particular turning, which comprises an upper side (1), an under side (2), and a number of side surfaces extending between the same, as well as a cutting edge (3a, 3b), which includes a nose edge (5) and two main edges (4) converging toward the same and is included in an inset (14), which consists of a material that is harder than the cemented carbide, and which is countersunk in the surrounding cemented carbide and co-ground with the same. The inset (14) is arranged in a front, wedge-shaped head (7), which is delimited by one chip surface (71) and two clearance surfaces (72) running along the main edges (4), as well as transforms into a postjacent body part (8) via limiting surfaces (81, 82) situated inside imaginary planes in the extension of said chip and clearance surfaces (71, 72). By placing the inset in such a head, the requisite grinding is reduced to a minimum.
      In addition, the invention relates to a blank for the manufacture of cutting inserts of the kind in question.
    • 本发明涉及一种用于去屑加工,特别是车削的硬质合金刀片,其包括上侧(1),下侧(2)和在其之间延伸的多个侧表面以及切割 边缘(3a,3b),其包括朝向所述边缘(5)和两个主边缘(4)并且包括在由比硬质合金硬的材料组成的插入件(14)中;以及 在周围的硬质合金中埋头,并与之共处。 插入件(14)布置在前楔形头部(7)中,其由一个切屑表面(71)和沿着主边缘(4)延伸的两个间隙表面(72)限定,并且转变成 位于所述芯片和间隙表面(71,72)的延伸部中的假想平面内的限制表面(81,82)的后置主体部分(8)。 通过将插入物放置在这样的头部中,必要的磨削减少到最小。 此外,本发明涉及一种用于制造所述类型的切削刀片的坯件。
    • 6. 发明公开
    • A cutting insert and a tool for chip removing machining, as well as an attachment for such tools
    • 可转位刀片和刀具加工和夹具等工具
    • EP1702703A1
    • 2006-09-20
    • EP06445006.7
    • 2006-03-06
    • Sandvik Intellectual Property AB
    • Edler, DanielAndersson, ClaesWiman, JörgenEnglund, Kjell
    • B23B27/14
    • B23B27/1611B23B2200/161B23B2200/165B23B2205/16Y10T407/22Y10T407/2274Y10T407/2276Y10T407/23Y10T407/24
    • In one aspect, the invention relates to a cutting insert having a front cutting edge (15a) and a connecting surface (7b) having male- and/or female-like engagement means (19a, 20a), in order to rigidly secure the cutting insert, a geometrically predetermined reference locus (C) serving as a force-application spot for the clamping of the cutting insert. Characteristic of the invention is that simultaneously active engagement means are of only two types, viz. a first, elongate engagement means (19a), which is located between the front cutting edge (15a) and the reference locus (C), as well as a second, elongate engagement means (20a), which is oriented at an angle to the first engagement means and situated at a greater distance from the front cutting edge than the reference locus. In such a way, it is guaranteed that a tightening force always is applied to the cutting insert in a substantially triangular area, which is defined by the free ends of the engagement means. Furthermore, the invention relates to a tool for chip removing machining, as well as an attachment, e.g., a shim plate, for such tools.
    • 在一个方面,本发明涉及具有前切削刃(15A)一个切削刀片和一个连接表面(7B),其具有绘画和/或凹形接合手段(19A,20A),以便牢固地固定切削 插入,作为力施加点为切削刀片的夹紧几何预定参考轨迹(C)。 本发明的特征是没有同时激活的接合装置是只有两种类型的,即 这是在定向在倾斜于第一,细长接合装置(19A)的所有其位于前切削刃(15a)和所述基准轨迹(C),以及一个第二之间,细长的接合装置(20a)的全部 第一接合装置和位于从正面切削刃比基准轨迹的更大的距离。 在寻求一种方式,这是保证并紧固力总是被应用于切削刀具基本上三角形的区域,所有这一切是由接合装置的自由端所限定。 进一步,本发明涉及用于去屑加工的工具,以及作为附件,E. G.,垫板,对搜索工具。