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    • 69. 发明专利
    • FINE HOLE DIAMETER ROLLING PRESSURE GRINDING MOLD METHOD
    • JPS61188062A
    • 1986-08-21
    • JP2639985
    • 1985-02-15
    • HAJIKANO KIYOSHI
    • HAJIKANO KIYOSHI
    • B24B33/00B24B5/36B24B5/48B24B39/00B24B39/04B28B1/44B28B11/08B28B21/94B28B21/98
    • PURPOSE:To make such a cylindrical product as being excellent in super-precision axial centricity securable, by applying a resin material hardner to a presintering small piece of ceramic, while inserting a fine wire, on which abrasives are stuck, into a hole of the small piece, and letting rolling pressure force work from the outside by a roller. CONSTITUTION:A hardner 11 is applied to the circumference of a presintering ceramic small piece 1 and, after being infiltrated and solidified, a fine wire, being excellent in roundness, on which abrasives are stuck, is inserted into a hole 12. First of all, the fine wire 2 is reciprocated slowly as being rotated, forming such a hole diameter as being excellent in roundness, then a finishing fine wire 22 conformable to a finishing hole diameter excellent in the roundness is inserted into it anew, being inserted and pressed forcibly, and both inlet and outlet sides are solidified with a hardner 23 composed of resin, than a resin reinforcer is applied to the small piece 1 in addition. This small piece 1 is mounted on rollers 3 and 4, and rotated so as to be roll-pressed with these rollers 3 and 4 while feeding grinding abrasives 13 with the fine wire 22 as an axis, thus an outer diameter is ground. Doing like this, such a cylindrical product as being excellent in axial centricity is secured and, what is more, the promotion of unmanned operation is made performable.
    • 70. 发明专利
    • Honing method
    • 荣誉方法
    • JPS6186171A
    • 1986-05-01
    • JP19239184
    • 1984-09-12
    • Honda Motor Co Ltd
    • ICHIJO YUZABURO
    • B24B33/00B24B33/08B24D3/00B24D99/00
    • PURPOSE:To make it possible to effectively hone the inside of a cast iron sleeve provided in an aluminum alloy cylinder block without any strain by using a diamond grindstone for a honing stone and controlling its surface pressure for honing in accordance with a fixed value. CONSTITUTION:The inside of a cast iron sleeve 23 held in an aluminum alloy cylinder block 22 is honed with long.sized diamond grindstones 16. In this case, the width of the grindstone 16 is set within the range from 2.5mm-3.0mm, and the surface pressure under which the rotating grindstones 16 are pressed against the inside of the sleeve 23 is set within the range from 4.6kg/cm -5.7kg/ cm . Consequently the above inside can be honed with high precision and no strain.
    • 目的:通过使用珩磨石的金刚石磨石,根据固定值控制珩磨的表面压力,有可能有效地磨合设置在铝合金气缸体中的铸铁套筒的内部,而不会产生任何应变。 构成:保持在铝合金气缸体22中的铸铁套筒23的内部用长的金刚石磨石16进行磨削。在这种情况下,磨石16的宽度设定在2.5mm〜3.0mm的范围内, 并且将旋转磨石16压靠在套筒23的内部的表面压力设定在4.6kg / cm 2 -5.7kg / cm 2的范围内。 因此,上述内部可以高精度和无应变地磨损。