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    • 5. 发明公开
    • CONTINUOUS-GENERATION GEAR-WHEEL GRINDING METHOD
    • SCHLEIFVERFAHREN MIT ENDLOSZAHNRAD
    • EP3006150A4
    • 2017-04-12
    • EP14803578
    • 2014-05-28
    • TOYOTA MOTOR HOKKAIDO INCNORITAKE CO LTDYUSHIRO CHEMICAL IND CO LTD
    • OZAKI MASATOSHIYAMAZAKI TORUHORIMI KAZUHIROYASUDA TATSUYOSHIHAYAKAWA YOSHIHISANAKAJIMA SHO
    • B23F5/04B23F21/02B24D7/18
    • B24B53/075B23F5/04B23F21/02B24B55/02B24D3/14
    • Provided is a continuous-generation gear-wheel grinding method with which it is possible to produce highly accurate gear wheels with high efficiency by using a high-porosity vitrified grindstone and a water-soluble grinding fluid in continuous-generation gear-wheel grinding. This method uses: a vitrified grindstone (12) made by bonding abrasive grains with a vitrified bond in a state where pores are formed among the abrasive grains, wherein the grain size of the abrasive grains is from F120 to F180; and a water-soluble grinding fluid (GF) including a surfactant that improves cleaning performance and an extreme pressure additive that improves lubricity. Thus, the wearing of the vitrified grindstone (12) is reduced in continuous-generation gear-wheel grinding, and therefore, the dressing interval is extended, grinding interruption time is shortened, and grinding work efficiency is improved, and thus, it is possible to produce highly accurate gear wheels with high efficiency.
    • 提供一种连续发电齿轮磨削方法,通过在连续发电齿轮磨削中使用高孔率玻璃磨石和水溶性研磨液,可以高效率地制造高精度齿轮。 该方法使用:在磨粒之间形成有孔的状态下通过将磨粒与陶瓷结合而形成的玻璃磨石(12),其中磨粒的晶粒尺寸为F120〜F180; 以及包含提高清洗性能的表面活性剂和提高润滑性的极压添加剂的水溶性研磨液(GF)。 因此,在连续发生齿轮磨削中,玻璃磨石(12)的磨损减少,因此,延长了修整间隔,缩短了研磨中断时间,提高了研磨作业效率,因此可能 以高效率生产高精度齿轮。
    • 6. 发明公开
    • GEAR-USE POLISHING BODY
    • POLIERKÖRPERZUR VERWENDUNG MIT EINEM GETRIEBE
    • EP3020495A1
    • 2016-05-18
    • EP14823286.1
    • 2014-07-07
    • Nitolex Corporation
    • NURIYA TakahikoMORIOKA Shoichi
    • B23F21/02B24D13/08
    • B23F21/026B23F21/02B24D13/02
    • To provide an easy-to-make gear grinding unit capable of grinding a tooth flank of a gear to have fine surface roughness without requiring any special shaping work such as dressing. A gear grinding unit (4A) includes a threaded grinding part (8A) which is rotatable around a rotation axis (S 1 ) and engages with a tooth (9) of a gear (6) to be ground. Through a rotational motion of the threaded grinding part (8A), a tooth flank (9a) of the gear (6) is ground. The threaded grinding part (8A) includes a plurality of flexible abrasive sheets (10A) each including a virtual circle (13) having a diameter that equals a root diameter (D A ) of the threaded grinding part (8A) and a bulge part (10a) bulging radially outward from the virtual circle (13). With the bulge parts (10a) of the abrasive sheets (10A) mutually shifted around the rotation axis (S 1 ), the abrasive sheets (10A) are overlapped along the rotation axis (S 1 ) to form the threaded grinding part (8A).
    • 为了提供能够磨削齿轮的齿面的易于制造的齿轮磨削单元以具有精细的表面粗糙度,而不需要任何特殊的成形工作,例如修整。 齿轮磨削单元(4A)包括螺纹磨削部分(8A),该磨削部分可绕旋转轴线(S1)旋转,并与待研磨的齿轮(6)的齿(9)啮合。 通过螺纹磨削部件(8A)的旋转运动,磨削齿轮(6)的齿面(9a)。 螺纹磨削部件(8A)包括多个柔性研磨片(10A),每个柔性研磨片包括具有等于螺纹磨削部分(8A)的根部直径(DA)的直径的虚拟圆(13)和凸出部分(10a) )从虚拟圆(13)径向向外凸出。 随着研磨片(10A)的凸起部分(10a)相对于旋转轴线(S1)相互偏移,研磨片(10A)沿着旋转轴线(S1)重叠以形成螺纹磨削部件(8A) 。
    • 7. 发明公开
    • SCREW-SHAPED GRINDSTONE FOR GRINDING GEARS AND METHOD FOR GRINDING GEARS
    • 螺丝形砂轮磨齿齿轮和方法用于磨削齿轮
    • EP2732893A1
    • 2014-05-21
    • EP12811833.8
    • 2012-02-20
    • Mitsubishi Heavy Industries, Ltd.
    • YANASE, YoshikotoOCHI, Masashi
    • B23F21/02B23F5/04
    • B23F21/026B23F5/04B23F21/005B23F21/02
    • Provided are: a screw-shaped grindstone for grinding gears that has a simple configuration and is capable of grinding gears with high precision; and a method for grinding gears. The screw-shaped grindstone (20) for grinding gears, which grinds a workpiece (W1) by rotating while meshing with the workpiece (W1), comprises a screw-shaped grindstone (21) that grinds the workpiece (W1), and a screw-shaped grindstone (22) that is linked to the screw-shaped grindstone (21) on the same axis, and grinds the workpiece (W1), which has been ground by the screw-shaped grindstone (21). A plurality of grinding ranges (L1, L2) that are sectioned at prescribed lengths in the width direction of the grindstone are established with respect to the screw-shaped grindstones (21, 22), and each grinding range (L1, L2) of the screw-shaped grindstones (21, 22) serves as the range of use per workpiece (W1).
    • 本发明提供:用于磨削齿轮的螺杆形磨石确实具有简单的配置,并且能够磨削高精度齿轮; 和用于磨削齿轮的方法。 螺杆形砂轮(20),用于磨削齿轮,其中通过旋转研磨工件(W1),而与工件(W1)啮合包括螺钉形砂轮(21)做了研磨工件(W1),和螺钉 形砂轮(22)那样被链接到在同一轴线上的螺杆形砂轮(21),并且研磨所述工件(W1),其具有被研磨通过螺杆形砂轮(21)。 磨削范围(L1,L2)的多个没有被在所述磨石的宽度方向上以规定的长度分段建立相对于的螺杆形磨石(21,22),和每个研磨范围(L1,L2) 螺钉状磨石(21,22)作为每工件(W1)的使用范围内。
    • 10. 发明公开
    • BARREL WORM-SHAPED TOOL
    • 多伦多葡萄牙语克罗地亚语
    • EP2196275A1
    • 2010-06-16
    • EP08792073.2
    • 2008-08-01
    • Mitsubishi Heavy Industries, Ltd.
    • YANASE, YoshikotoOCHI, Masashi
    • B23F21/02
    • B23F21/026B23F21/16
    • To provide a barrel worm-shaped tool capable of grinding processing in high precision, while maintaining the reduction of heavy load during the processing and partial wear. For this purpose, a barrel worm-shaped tool that is used in the gear machining of an internal gear (11) is formed with its diameter gradually increasing from the two end portions in the axial direction thereof towards the middle portion thereof. The barrel worm-shaped tool (12) is formed so that edge shapes (31) of the grinding wheel (12) becomes gradually smaller from the edge shape (31) located in the middle portion, in the axial direction of the barrel worm-shaped tool (12) towards the edge shape (31) located in the two end portions, in the axial direction, of the barrel worm-shaped tool (12) in accordance with the amount of machining allowance for the internal gear (11).
    • 提供一种能够高精度地研磨加工的筒形蜗杆工具,同时在加工和部分磨损期间保持重负荷的减小。 为此,在内齿轮(11)的齿轮加工中使用的桶形蜗杆形状的工具形成为从其轴向两端部向其中间部分逐渐增大的直径。 滚筒蜗杆形工具(12)形成为使得砂轮(12)的边缘形状(31)从位于中间部分的边缘形状(31)沿筒状蜗杆形状的工具的轴向方向逐渐变小, 根据所述内齿轮(11)的加工余量量,朝向位于所述筒状蜗杆状工具(12)的轴向的两端部的边缘形状(31)。