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    • 115. 发明申请
    • RADIAL TOOL WITH SUPERHARD CUTTING SURFACE
    • 具有超级切割表面的径向工具
    • WO2010083015A1
    • 2010-07-22
    • PCT/US2009/069764
    • 2009-12-30
    • DIAMOND INNOVATIONS, INC.SANDVIK INTELLECTUAL PROPERTY ABLUCEK, John, W.OLWERT, AdrienneMONYAK, KennethCLAESSON, Björn
    • LUCEK, John, W.OLWERT, AdrienneMONYAK, KennethCLAESSON, Björn
    • E21C35/183
    • E21C35/183E21C35/1936E21C2035/1809Y10T156/10
    • A non-rotating mining cutter pick (10) has a shank portion (12) with a non-circular cross-section, a head portion (16) including a tip region (28) distal from the shank portion (12), a shoulder portion (14) separating the shank portion (12) from the head portion (16), and a cutting insert (30) mounted at a front end (32) of the tip region (28). The cutting insert (30) includes a body (34) formed of tungsten carbide and an element (36) formed of a superhard material, such as PCD or other material having a prescribed knoop hardness. At least a portion of a first surface (40) of the element (36) is exposed on a cutting surface (38) of the cutting insert (30), which improves wear properties of the mining cutter pick (10). The element (36) is fused to the body (34) of the cutting insert (30), preferably in a high pressure - high temperature (HPHT) process. A method of manufacture and a cutting machine incorporating the non-rotating mining cutter pick on the rotatable element are also disclosed. ??
    • 非旋转采矿刀具(10)具有具有非圆形横截面的柄部分(12),包括远离柄部分(12)的尖端区域(28)的头部分(16),肩部 将所述柄部分(12)与所述头部(16)分离的部分(14)以及安装在所述尖端区域(28)的前端(32)处的切削刀片(30)。 切削刀片(30)包括由碳化钨形成的主体(34)和由超硬材料形成的元件(36),所述超硬材料例如具有规定的硬度的PCD或其他材料。 元件(36)的第一表面(40)的至少一部分露出在切削刀片(30)的切割表面(38)上,这改善了采矿刀具(10)的磨损性能。 元件(36)熔合到切削刀片(30)的主体(34)上,优选地在高压 - 高温(HPHT)工艺中。 还公开了一种将可旋转元件上的非旋转采矿刀具结合在一起的制造方法和切割机。 ??