Method for surface treatment of DLC coated member

    公开(公告)号:US11618127B2

    公开(公告)日:2023-04-04

    申请号:US16560102

    申请日:2019-09-04

    IPC分类号: B24C1/04 C23C14/58

    摘要: A method for surface treatment of a DLC coated member that includes: taking as a treatment subject a DLC coated member having a DLC film coated on a base material surface; ejecting substantially spherical ejection particles having a median diameter of from 1 μm to 20 μm and a falling time through air of not less than 10 s/m against a surface of the film of the member at an ejection pressure of from 0.01 MPa to 0.7 MPa; and forming dimples on the surface of the film without exposing the base material so that a total projected area of the dimples is 50% or more of a treated region and so that the surface of the DLC film is processed to an arithmetic mean height (Sa) of from 0.01 μm to 0.1 μm and a texture aspect ratio (Str) of 0.4 or more.

    Method of forming fine dimples in a hard-brittle material surface

    公开(公告)号:US10987778B2

    公开(公告)日:2021-04-27

    申请号:US15918209

    申请日:2018-03-12

    摘要: The present invention is directed to provide a method of forming dimples comparatively simply on a surface of hard-brittle materials such as ceramics by post-processing. In the method, substantially spherical ejection particles having a median diameter d50 of from 1 μm to 20 μm are ejected together with a compressed gas at an ejection pressure of from 0.01 MPa to 0.7 MPa against a dimple formation region which is a region where dimples are to be formed on a surface of an article made from a hard-brittle material or a surface of an article having a surface coated with a coating layer of a hard-brittle material, or the like so as to form dimples on the surface of the hard-brittle material by plastic deformation without occurrences of breaks or cracks.

    METHOD FOR SURFACE TREATMENT OF DLC COATED MEMBER

    公开(公告)号:US20200282515A1

    公开(公告)日:2020-09-10

    申请号:US16560102

    申请日:2019-09-04

    IPC分类号: B24C1/04 C23C14/58

    摘要: A method for surface treatment of a DLC coated member that includes: taking as a treatment subject a DLC coated member having a DLC film coated on a base material surface; ejecting substantially spherical ejection particles having a median diameter of from 1 μm to 20 μm and a falling time through air of not less than 10 s/m against a surface of the film of the member at an ejection pressure of from 0.01 MPa to 0.7 MPa; and forming dimples on the surface of the film without exposing the base material so that a total projected area of the dimples is 50% or more of a treated region and so that the surface of the DLC film is processed to an arithmetic mean height (Sa) of from 0.01 μm to 0.1 μm and a texture aspect ratio (Str) of 0.4 or more.

    Method for polishing artificial tooth and device for polishing artificial tooth

    公开(公告)号:US10765498B2

    公开(公告)日:2020-09-08

    申请号:US15925906

    申请日:2018-03-20

    摘要: An artificial tooth 30 to be polished is fixed at a tooth neck 32 side and rotated about a tooth axis 33. Abrasives, preferably elastic abrasives formed by kneading abrasive grains into or supporting abrasive grains on an elastic material, are ejected together with a compressed gas at an ejection pressure of from 0.1 MPa to 0.5 MPa onto an occlusal portion 31 side of the artificial tooth 30 while the artificial tooth 30 is being rotated. The abrasives are ejected at an inclination angle θ with respect to the tooth axis 33 of the artificial tooth 30 of from 0° to 90°, and preferably from 15° to 75°. Portions on the occlusal portion 31 and side surfaces 38 of the artificial tooth 30 are thereby polished at the same time by the abrasive sliding over these portions.

    Elastic abrasive manufacturing method, elastic abrasive manufacturing device, blasting method, and blasting device

    公开(公告)号:US12059851B2

    公开(公告)日:2024-08-13

    申请号:US18108263

    申请日:2023-02-10

    摘要: A re-circulatory blasting device obtained is capable of performing stable treatment for a prolonged period of time even in cases in which an elastic abrasive employed has abrasive grains adhered to the surface of elastic cores. An elastic abrasive regeneration device provided to the blasting device regenerates elastic abrasive employed for re-circulation. The elastic abrasive regeneration device includes a mixer and a combining unit. Recovered abrasive fed in from an abrasive recovery section is mixed in the mixer with abrasive grains fed in from an abrasive grain feeder, and the abrasive grains are adhered to the surface of the cores of the recovered abrasive. In the combining unit, the abrasive grains are pressed against and combined to the surface of the cores by passing an aggregated state of the recovered abrasive mixed by the mixer along a constricted flow path having a flow path cross-sectional area that gradually narrows.

    Powder contact member and method for surface treatment of powder contact member

    公开(公告)号:US12017326B2

    公开(公告)日:2024-06-25

    申请号:US18097791

    申请日:2023-01-17

    IPC分类号: B24C1/08

    CPC分类号: B24C1/08

    摘要: A surface treatment method for preventing adhesion of powder to a powder-contacting member having a surface on which contacted powder flows in the form of a particle layer. The method includes performing surface treatment on the surface such that an arithmetic average peak curvature Spc (1/mm) of the surface is 150 to 400, a peak density Spd (piece/mm2) of the surface is 10000 to 180000, a root mean square gradient Sdq of the surface is 0.05 to 0.30, and an arithmetic average height Sa (μm) of the surface is 0.02 to 3.00, and providing a space where an air layer can exist between the particle layer and the surface.

    Method of surface treatment for ceramic and ceramic article

    公开(公告)号:US10857695B2

    公开(公告)日:2020-12-08

    申请号:US16021771

    申请日:2018-06-28

    摘要: A surface treatment method is provided that is capable of raising the slidability of a ceramic surface at low cost using a comparatively simple method. Dimples are formed on a surface of a treatment region, this being a portion of a ceramic surface where surface treatment is to be performed, by ejecting substantially spherical ejection particles having a median diameter of from 1 μm to 20 μm, together with compressed gas at an ejection pressure of from 0.01 MPa to 0.7 MPa, so as to achieve a value of a fastest decay autocorrelation length of not less than 10. The dimples are formed so as to have a plan view profile with a ratio between a horizontal Feret diameter and a vertical Feret diameter of from 0.7 to 1.43. Thereby a ceramic surface with improved slidability can be obtained regardless of use or non-use of a lubricant.

    Method for producing elastic grinding material, elastic grinding material, and blasting method using said elastic grinding material
    8.
    发明授权
    Method for producing elastic grinding material, elastic grinding material, and blasting method using said elastic grinding material 有权
    弹性研磨材料的制造方法,弹性研磨材料以及使用所述弹性研磨材料的喷砂方法

    公开(公告)号:US09186775B2

    公开(公告)日:2015-11-17

    申请号:US14364858

    申请日:2012-12-12

    IPC分类号: B24C1/08 C09K3/14 B24C11/00

    摘要: A long-lasting elastic grinding material capable of subjecting surfaces of objects to mirror-finishing, glossifying and the like via blasting thereof. A nucleus (2) is obtained by granulating a crosslinked polyrotaxane compound having self-tackiness and a rubber hardness of 30 or less into particles of a prescribed diameter. The nucleus (2), which is soft and exhibits significant deformability, is sealed on the inside of an abrasive-particle layer (3) by: adhering abrasive particles (31) to the surface of the nucleus (2): then affixing the abrasive particles (31) to the surface of the nucleus (2) by applying pressure to the surface of the nucleus (2) to which the abrasive particles (31) are adhered; and forming the abrasive-particle layer (3), which has a masonry-like structure formed by attaching a plurality of the abrasive particles (31) in the thickness direction to the surface of the nucleus (2), by further subjecting the surface of the nucleus (2) to which the abrasive particles (31) are affixed to repeated adhesion of identical abrasive particles (31) and affixing by application of pressure.

    摘要翻译: 能够通过喷砂处理物体的表面进行镜面整理,光泽化等的长效弹性研磨材料。 通过将具有自粘性和橡胶硬度为30以下的交联聚轮烷化合物粒化成规定直径的颗粒而获得核(2)。 通过以下方式将磨粒(31)粘附到细胞核(2)的表面上:将磨料(2)软化并显示出显着的变形能力密封在研磨颗粒层(3)的内部,然后将磨料 通过向磨粒(31)附着的细胞核(2)的表面施加压力,将颗粒(31)施加到细胞核(2)的表面; 并且形成具有通过将厚度方向上的多个研磨颗粒(31)附着到所述核(2)表面而形成的砖石状结构的所述研磨颗粒层(3) 将磨料颗粒(31)固定在其上的核(2)重复粘合相同的磨料颗粒(31)并通过施加压力固定。

    METHOD OF SURFACE TREATMENT FOR CERAMIC AND CERAMIC ARTICLE

    公开(公告)号:US20190016013A1

    公开(公告)日:2019-01-17

    申请号:US16021771

    申请日:2018-06-28

    摘要: A surface treatment method is provided that is capable of raising the slidability of a ceramic surface at low cost using a comparatively simple method. Dimples are formed on a surface of a treatment region, this being a portion of a ceramic surface where surface treatment is to be performed, by ejecting substantially spherical ejection particles having a median diameter of from 1 μm to 20 μm, together with compressed gas at an ejection pressure of from 0.01 MPa to 0.7 MPa, so as to achieve a value of a fastest decay autocorrelation length of not less than 10. The dimples are formed so as to have a plan view profile with a ratio between a horizontal Feret diameter and a vertical Feret diameter of from 0.7 to 1.43. Thereby a ceramic surface with improved slidability can be obtained regardless of use or non-use of a lubricant.

    POWDER CONTACT MEMBER AND METHOD FOR SURFACE TREATMENT OF POWDER CONTACT MEMBER

    公开(公告)号:US20230150088A1

    公开(公告)日:2023-05-18

    申请号:US18097791

    申请日:2023-01-17

    IPC分类号: B24C1/08

    CPC分类号: B24C1/08

    摘要: A surface treatment method for preventing adhesion of powder to a powder-contacting member having a surface on which contacted powder flows in the form of a particle layer. The method includes performing surface treatment on the surface such that an arithmetic average peak curvature Spc (1/mm) of the surface is 150 to 400, a peak density Spd (piece/mm2) of the surface is 10000 to 180000, a root mean square gradient Sdq of the surface is 0.05 to 0.30, and an arithmetic average height Sa (μm) of the surface is 0.02 to 3.00, and providing a space where an air layer can exist between the particle layer and the surface.