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    • 23. 发明专利
    • Cemented carbide insert, and cemented carbide blank for manufacturing cemented carbide insert
    • 硬质合金刀片和用于制造碳化硅刀片的碳化硅坯料
    • JP2011251403A
    • 2011-12-15
    • JP2011123618
    • 2011-06-01
    • Sandvik Intellectual Property Abサンドビック インテレクチュアル プロパティー アクティエボラーグ
    • EDLER DANIELNORDIN ELISABETH
    • B23B27/18
    • B23B27/145B23B2200/165B23B2226/125B23B2226/315B23B2240/11Y10T407/23Y10T407/235Y10T407/24Y10T407/26Y10T428/24479
    • PROBLEM TO BE SOLVED: To provide a cemented carbide insert for cutting, especially for turning, and to provide a cemented carbide blank for manufacturing the cemented carbide insert.SOLUTION: The cemented carbide insert has: a top surface (1); a bottom surface (2); a plurality of side surfaces extending between the top surface (1) and the bottom surface (2); and cutting edges (3a and 3b). Each of the cutting edges: includes a nose cutting edge (5) and two main cutting edges (4) converging to the nose cutting edge (5); and is provided to an inset (14). The inset is made of a material harder than the cemented carbide, buried in the cemented carbide, and ground together with the cemented carbide. The inset is arranged at a wedge-shaped head part (7) on the front side, and demarcated by one flat chip surface (71) and two flanks (72) extending along the main cutting edges. The inset has a transition between a slanted body (8) on the rear side via limiting surfaces (81 and 82) arranged inside the virtual surfaces on extensions of the flat chip surface (71) and the flank (72).
    • 要解决的问题:提供用于切割的硬质合金刀片,特别是用于车削,并提供用于制造硬质合金刀片的硬质合金坯料。

      解决方案:硬质合金刀片具有:顶面(1); 底面(2); 在所述顶表面(1)和所述底表面(2)之间延伸的多个侧表面; 和切削刃(3a和3b)。 每个切削刃包括一个前刀刃(5)和两个主切削刃(4),它们会聚到前刀刃(5)上; 并提供给插图(14)。 插图由比硬质合金更硬的材料制成,埋在硬质合金中,并与硬质合金一起研磨。 插入物布置在前侧的楔形头部(7)处,并且由一个平坦的切屑表面(71)和沿主切削刃延伸的两个侧面(72)划定。 插入物通过布置在平坦芯片表面(71)和侧面(72)的延伸部上的虚拟表面内的限制表面(81和82)而在后侧的倾斜体(8)之间具有过渡。 版权所有(C)2012,JPO&INPIT