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    • 31. 发明专利
    • Grinding elastic tool
    • 研磨弹性工具
    • JPS54149991A
    • 1979-11-24
    • JP5765778
    • 1978-05-17
    • Hitachi Ltd
    • NOTO KOUICHIKAWAI TSUNEO
    • B24D13/12
    • PURPOSE: To provide less number of exchanging frequency of metal mold mirror finish grinding tool etc., by employing fiberous non-woven fabric that is irregularly arrayed and elastically compacted, and shaft that is securely inserted.
      CONSTITUTION: Non-woven fabric 2 is constituted to be elastic by compacting irregularly arrayed fiberous materials like nylon threads etc., and a shaft 3 is securely inserted in this non-woven fabric 2. In operation, elastic non-woven fabric 5 is applied to front machining surface 9 of workpiece, and shaft 3 is rotated to the arrow marked direction 8. Grits 7 are introduced to the place 9 between the nonwoven fabric surface 5 and front machining surface of workpiece to grind the front surface of workpiece. This permits a continuous grinding of free curved surface like metal mold surface for roughness up to 2W3 m R max without exchanging of tool. Saved man-hours and increased working ability are realized.
      COPYRIGHT: (C)1979,JPO&Japio
    • 目的:通过使用不规则排列和弹性压实的纤维无纺布,以及牢固插入的轴,提供更少数量的金属模具镜面精加工研磨工具的交换频率。 构成:通过将不规则排列的纤维材料如尼龙线等压实,将无纺布2构成为弹性,并且将轴3牢固地插入该无纺布2中。在操作中,应用弹性无纺布5 到工件的前加工面9,轴3向箭头方向8旋转。砂粒7被引入无纺织物表面5与工件的前加工面之间的位置9,以研磨工件的前表面。 这允许连续研磨自由曲面,如金属模具表面,粗糙度可达2-3 m R,无需更换工具。 节省工时,提高工作能力。