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金刚石线锯切割绝缘陶瓷的切缝精度研究
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国家自然科学基金青年科学基金资助项目(51505027)


Research on Kerf Accuracy for Insulating Ceramics in Fixed Abrasive Diamond Wire Saw Cutting
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    摘要:

    为了探寻一种切缝窄、切缝轮廓平直的金刚石线锯切割工艺,将电火花线切割机床改装为金刚石线锯切割机床,并进行了金刚石线锯恒力进给切割陶瓷的实验,探究了丝速和配重对切缝宽度和切缝轮廓平直度的影响;用光学显微镜测量切缝宽度,并观察切缝轮廓的平直度。实验结果表明:随着丝速的增大,切缝宽度变化不明显,随着配重的增大,切缝宽度明显减小;随着丝速的增大,切缝轮廓逐渐出现锯齿状,随着配重的增大,切缝轮廓发生弯曲甚至崩碎。

    Abstract:

    In order to get the technique for small kerf width and optimal contour flatness in diamond wire saw cutting, after the wire-cutting electrical discharge machine (EDM) tool transformed into a diamond wire saw machine, the experiment of cutting insulating ceramics with fixed abrasive diamond wire saw in a constant feed way is carried out. In the experiment, the influences of wire speed and balance weight to both kerf width and contour flatness were exploded. In order to measure the kerf width and observe the kerf contour flatness, optical microscope was used. The results indicate that the kerf width is changed unsignificantly under a higher wire speed compared to a remarkably decrease under a heavier weight. The kerf contour is generated of a serrated edge with a higher wire speed, and similarly, the edge curvature as well as chipping are appeared with a heavier weight.

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孙黎,贾志新,王津,傅成.金刚石线锯切割绝缘陶瓷的切缝精度研究[J].机床与液压,2017,45(21):113-116.
. Research on Kerf Accuracy for Insulating Ceramics in Fixed Abrasive Diamond Wire Saw Cutting[J]. Machine Tool & Hydraulics,2017,45(21):113-116

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  • 在线发布日期: 2018-03-22
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