壓克力磁力研磨加工特性之研究

The Characteristics Investigation of Acrylic with Magnetic Abrasive Finishing

蔡東憲(Tung-Hsien Tsai) ； 張浮明(Fu-Ming Chang) ； 江昇翰(Sheng-Han Chiang)

《修平學報》 23期 (2011/09) Pp. 189-202

https://doi.org/10.29548/BGYY.201109.0011

摘要

本文以切削加工後壓克力，利用磁場能量配合磨料進行研磨加工與去毛邊加工，並以不同主軸轉速、進給速率、磁力磨料尺寸、刀具與材料間隙等加工參數，研究加工前後壓克力表面透光性與表面粗糙度之特性，搭配不同材質磨料與工件配合磁場強度與轉速的相對關係，觀察磨料顆粒加工使用量的磁場變化和磨料移動關係，以獲得磨料加工製程效益與消耗程度，探討其磁場變化與磨料移動關係。本研究使用之磨料為可被磁鐵吸附的非導磁性304不鏽鋼，經設計不同狀態與條件之實驗過程，比較改善壓克力表面透光性與減少磨料損耗之要求，實驗結果顯示前者之重要性大於後者。以不同參數切削與研磨後，實驗顯示可獲得壓克力最佳表面粗糙度分別為Ra值0.12μm與0.16μm。

關鍵字

綜合加工機 ； 磁力研磨 ； 壓克力 ； 透光性

並列摘要

This article investigates on how to adopt magnetic field energy and abrasive to grinding and to burr an acrylic. Surface characteristics and roughness of acrylic material are investigated in different machining conditions such as spindle speed, feed rate, nano-magnetic abrasive size and the gap between tool and materials, respectively. The benefits of grinding process and consumption of abrasive are obtained by observing the relationship between the fluctuations of magnetic field with different abrasive amount and abrasive movement in various abrasives, magnetic intensity, and speeds. We use non-magnetic 304 stainless steel abrasive to reduce the abrasive wear through the design of different machining conditions and compare the improvement of the penetrability of the acrylic surface. The experiment results show that the maximum roughness was Ra 0.12 μm and 0.16 μm respectively for different machining and grinding parameters.

並列關鍵字

Machine Center ； Magnetic Abrasive Finishing ； Acrylic、Transmittance

參考文獻

H-J. Ruben, in: A. NiKu-Lari, Advances in surface treatments, vol. 5, Pergamon Press, (1987) , pp. 239-256.

Dhirendra K. Singh, V.K. Jain, V. Raghuram, Parametric study of magnetic abrasive finishing process. Journal of Materials Processing Technology, 149 (2004), pp 22–29.

T. Mori, K. Hirota, Y. Kawashima, Clarification of magnetic abrasive finishing mechanism. Journal of Materials Processing Technology, 143–144(2003), pp682-686.

A. C. Wang, S. J. Lee, Study the characteristics of magnetic finishing with gel abrasive. International Journal of Machine Tools and Manufacture, 49 (2009), pp1063-1069.

Yan Wang, Dejin Hu, Study on the inner surface finishing of tubing by magnetic abrasive finishing. International Journal of Machine Tools and Manufacture, 45 (2005), pp43-49.