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    • 45. 发明申请
    • ELEKTRODENGRAFITFRÄSER SOWIE STIRNFRÄSER ZUR BEARBEITUNG VON OXIDKERAMIKEN
    • 石墨电极厂和立铣刀用于处理氧化物陶瓷
    • WO2017211462A1
    • 2017-12-14
    • PCT/EP2017/025148
    • 2017-05-24
    • HUFSCHMIED ZERSPANUNGSSYSTEME GMBH
    • HUFSCHMIED, Ralph
    • B23B51/08
    • Die Erfindung betrifft einen Elektrodengrafitschaftfräser mit einem Kugelkopf (9), mit zumindest einem Grobbearbeitungssteg (6, 8) und mit zumindest einem Feinbearbeitungssteg (5, 7). Jeder Grobbearbeitungssteg (6, 8) ist als umfangsseitige Feile mit einer Vielzahl Zähnen (10, 11) ausgebildet; jeder Feinbearbeitungssteg (5, 7) weist eine Mehrzahl mit Drall um die zur Werkzeugachse verlaufender Mantelrillen auf, wobei die Mantelrillen Mantelstege mit jeweils einer Umfangsschneide (12, 13) beabstanden, wobei die Arbeitsbereiche einer ersten Gruppe (5, 6, 8) der Bearbeitungsstege (5, 6, 7, 8) weiter bis zur Werkzeugspitze reichen als die Arbeitsbereiche einer zweiten Gruppe (7) der Bearbeitungsstege (5, 6, 7, 8).
    • 本发明涉及一种Elektrodengrafitschaftfr GLASSES与球头(9),与至少一个粗加工腹板(6,8)和与至少一个精整幅(5,7)。 粗加工网的每(6,8)为具有多个ŽBEAR形成hnen(10,11)的周边设置文件; 每个精整幅(5,7)具有多个旋流到运行于工具轴线周向凹槽,所述套管槽涂层腹板每一个具有外周切削刃(12​​,13)的间距,第一组的工作区域(5,6,8)的工作网 (5,6,7,8)进一步刀尖富比第二组的工作区(7)工作腹板(5,6,7,8)。

    • 48. 发明申请
    • METAL-CUTTING TOOL, IN PARTICULAR REAMING TOOL, AND METHOD FOR MANUFACTURING THIS SAME
    • 金属切削工具,特别是镗削工具,以及制造这种相同的方法
    • WO2014127105A3
    • 2014-12-31
    • PCT/US2014016207
    • 2014-02-13
    • KENNAMETAL INC
    • HACKER MICHAEL
    • B23D77/00B23B51/08
    • B23D77/00B23D2277/105B23D2277/46
    • In order to enable a finishing operation of a drilled hole which offers high quality, at the same time combined with a high process speed, a metal-cutting tool formed as a reamer (2) has a main body (16) which extends along a longitudinal center axis (4) and on which, distributed around the periphery, at least three cutter bars (20) and a pair of guide bars (28A, B) are formed, wherein the latter follow one after the other in the peripheral direction (26), without cutters. The cutter bars (20) and the guide bars (28A, B) are here arranged unevenly distributed around the periphery in such a way that, during operation, a resultant deflection force (Fr), which is oriented in a deflection direction (a) lying in an angular section spanned between the guide bars (28A, B), is given.
    • 为了能够提供高质量的钻孔的精加工操作,同时结合高处理速度,形成为扩眼器(2)的金属切削工具具有主体(16),该主体(16)沿着 纵向中心轴线(4),并且在其周围分布有至少三个刀杆(20)和一对导杆(28A,B),其中所述至少三个导杆(28A,B)在周向上一个接一个地跟随 26),没有刀具。 这里,刀杆20和导向杆28A,B在这里围绕外周不均匀地分布,使得在操作过程中产生沿偏转方向(a)取向的合成偏转力(Fr) 位于导向杆(28A,28B)之间的角度部分。
    • 49. 发明申请
    • UNDERCUT TOOL
    • UNDERCUT工具
    • WO2014118771A1
    • 2014-08-07
    • PCT/IL2014/050084
    • 2014-01-23
    • DERIO MEDICAL INSTRUMENTS LTD.
    • SHER, Arieh
    • B23B51/08B23B29/34
    • B23B51/0045B23B2270/04B24D5/00B24D99/00
    • A tool for forming undercuts in prefabricated boreholes includes a working head mounted on a driving shaft, both rotate at the same rotational speed. The working head center of gravity is always located eccentric to the driving shaft axis. As a result of the rotation of the driving shaft, centrifugal force is exerted on the working head causing it to slide outwardly relative to the driving shaft axis. The working head moves outwardly until its outer surfaces, which are impregnated with diamonds, come into contact with the borehole wall. With continued operation, the undercut tool grinds the borehole wall to create a widening of the borehole surface with a shape corresponding to the outer surface contour of the working head.
    • 用于在预制钻孔中形成底切的工具包括安装在驱动轴上的工作头,它们以相同的转速旋转。 工作头重心始终位于驱动轴轴偏心。 由于驱动轴的旋转,离心力作用在工作头上,使其相对于驱动轴的轴线向外滑动。 工作头向外移动,直到其浸入有钻石的外表面与钻孔壁接触。 在继续操作的情况下,底切工具研磨钻孔壁,以形成对应于工作头的外表面轮廓的形状的钻孔表面的加宽。
    • 50. 发明申请
    • AN INDEXABLE DRILL INSERT
    • 一个可指定的钻头插入
    • WO2013016018A3
    • 2013-03-28
    • PCT/US2012046576
    • 2012-07-13
    • KENNAMETAL INDIA LTDKENNAMETAL INCRAMESH KARTHIC
    • RAMESH KARTHIC
    • B23B51/02B23B51/08B23C5/20
    • B23B27/1611B23B27/141B23B51/048B23B2200/0471B23B2200/125B23B2200/201B23B2200/204B23B2251/50Y10T408/89Y10T408/905Y10T408/9098
    • The present disclosure provides a quadrangular indexable drill insert comprising a substantially flat top surface and bottom surface, a side surface adjoining the top and bottom surfaces; four identical cutting edges formed at intersection of side surface and top surface, each cutting edge comprising, a concave curved part edge of predetermined radius at corner of the insert; a first part edge oriented towards axis of drill body and is having negative slope, said first part edge is connected to the concave curved part edge through a nose portion; a second part edge connected to first part edge through a transitional edge, said second part edge is tangentially oriented to an imaginary inscribed circle; a third part edge connected to the second part edge through a transitional edge, and a nose portion of adjoining the third part edge with concave curved part edge of succeeding cutting edge.
    • 本公开提供了一种四角形可转位钻头插入件,其包括基本平坦的顶表面和底表面,与顶表面和底表面邻接的侧表面; 四个相同的切削刃形成在侧表面和顶表面的相交处,每个切削刃包括在刀片的拐角处具有预定半径的凹形弯曲部分边缘; 第一部分边缘,其朝向钻体的轴线定向且具有负斜率,所述第一部分边缘通过鼻部连接到所述凹形弯曲部分边缘; 通过过渡边缘连接到第一部分边缘的第二部分边缘,所述第二部分边缘切向定向到假想的内切圆; 通过过渡边缘连接到第二部分边缘的第三部分边缘,以及连接第三部分边缘和后续切削刃的凹形弯曲部分边缘的鼻部。