Improving finishing efficiency using a cover plate in gyro finishing

Improving finishing efficiency using a cover plate in gyro finishing
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DOI：
10.1016/j.precisioneng.2021.11.004
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发表时间：
2021-11
期刊：
Precision Engineering
影响因子：
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通讯作者：
Y. Hashimoto;Yugo Nakayama;T. Furumoto;A. Hosokawa
Y. Hashimoto;Yugo Nakayama;T. Furumoto;A. Hosokawa
中科院分区：
其他
文献类型：
--
作者：
Y. Hashimoto;Yugo Nakayama;T. Furumoto;A. Hosokawa

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回转光整加工是一种大批量光整加工，是加工复杂形状零件的一种有潜力的方法。本研究提出在陀螺精加工中，于工件上方设置盖板以提高精加工效率。首先，研究了盖板对与精加工效率相关的作用于工件的力的影响，确认了盖板的使用使力增大。这被认为是由磨料介质的向上运动的限制引起的。随后，通过比较有和没有盖板的表面粗糙度变化来评估盖板对精加工效率的影响。由于作用在工件上的力很大，所以用盖板使工件表面的精加工效率提高了大约2.0倍。此外，没有发现使用盖板通过作用在工件上的更大的力引起的不良影响-表面粗糙度恶化。因此，盖板被证实是一个非常有效的方法，以提高其性能。此外，在工件停止的条件下，盖板的效果进行了研究，以提高理解。我们证实，由于接触压力的增加，使用盖板获得的表面粗糙度在工件的整个前表面上得到改善。
Gyro finishing —a type of mass finishing—is one of the potential processes for finishing complicated shapes. This study proposes a cover plate located above a workpiece to improve finishing efficiency in gyro finishing. First, the effect of the cover plate on the force acting on the workpiece, which is related to the finishing efficiency, was investigated, and we confirmed that the force increased by using the cover plate. This was considered to be caused by the restriction of upward motion of the abrasive media. Subsequently, the effect of the cover plate on the finishing efficiency was evaluated by comparing the surface roughness variation with and without the cover plate. The finishing efficiency of the workpiece surface increased by approximately a factor of 2.0 with the cover plate due to the large force acting on the workpiece. Additionally, the bad effect caused by using the cover plate via larger force acting on the workpiece―worsening of the surface roughness―was not revealed. Therefore, the cover plate was confirmed a highly effective method to improve its performance. Furthermore, the effect of the cover plate was investigated under the workpiece-stopped condition for an improved understanding. We confirmed that the surface roughness obtained using the cover plate improved over the entire front surface of the workpiece due to the increase of the contact pressure.