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    • 1. 发明授权
    • Superabrasive tool and method of manufacturing the same
    • 超研磨工具及其制造方法
    • US06312324B1
    • 2001-11-06
    • US09077024
    • 1998-05-27
    • Kosuke MitsuiToshio FukunishiKazunori KadomuraYukio ShimizuYoshio KoutaMasaaki YamanakaAkio Hara
    • Kosuke MitsuiToshio FukunishiKazunori KadomuraYukio ShimizuYoshio KoutaMasaaki YamanakaAkio Hara
    • B24D300
    • B24B53/017B24B3/06B24B37/16B24B53/12B24D3/00B24D5/00B24D7/00B24D18/00
    • A superabrasive tool such as a superabrasive grindstone (101; 102), a superabrasive dresser (103; 104; 105) or a superabrasive lap surface plate (106) includes a base (20) of steel and a superabrasive layer (10) formed on the base (20). The superabrasive layer (10) includes superabrasive grains (11) consisting of diamond grains, cubic boron nitride grains or the like and a holding layer consisting of a nickel plating layer (16) and a bond layer (17), or a brazing filler metal layer (18), holding the superabrasive grains (11) and fixing the same onto the base (20). Grooves (12) or holes (14) are formed on flat surfaces (19) of the superabrasive grains (11) exposed from the holding layer (16, 17; 18). The holding layer (16, 17; 18) holding and fixing the superabrasive grains (11) so that the surfaces of the grains are partially exposed is formed on the base (20). The grooves (12) or the holes (14) are formed by irradiating the surfaces of the superabrasive grains (11) exposed from the holding layer (16, 17; 18) with a laser beam (50). Working of high accuracy can be performed by forming the grooves (12) or the holes (14) on the surfaces of the superabrasive grains (11).
    • 超研磨工具,例如超研磨磨石(101; 102),超研磨修整器(103; 104; 105)或超级磨料搭接表面板(106),包括钢的基部(20)和形成在 基座(20)。 超级磨料层(10)包括由金刚石晶粒,立方氮化硼晶粒等构成的超磨料颗粒(11)和由镀镍层(16)和接合层(17)组成的保持层,或钎料 层(18),保持超磨料颗粒(11)并将其固定到基底(20)上。 在从保持层(16,17; 18)露出的超级磨料颗粒(11)的平坦表面(19)上形成槽(12)或孔(14)。 保持层(16,17; 18)在基体(20)上形成有保持和固定超磨料颗粒(11)以使颗粒的表面部分露出的部分。 通过用激光束(50)照射从保持层(16,17; 18)暴露的超级磨料颗粒(11)的表面,形成凹槽(12)或孔(14)。 可以通过在超级磨料颗粒(11)的表面上形成凹槽(12)或孔(14)来实现高精度的工作。