摘要(英) |
The normal vibration directions of vibration-assisted magnetic abrasive finishing are all parallel or perpendicular to the surface of workpiece. Its shortcomings are easily lead to more scratches on the surface, and difficult to obtain mirror effect.
This study break through previous studies, design a mechanism of two-dimensional (XY plane) vibration assisted to magnetic abrasive finishing. After a series of experiments, we get a better surface quality and enhanced efficiency compared to non-vibrational assisted magnetic abrasive finishing. Taguchi experiment verifies that, the best parameters which improve surface roughness most is: working gap 1mm, SiC weight of 1g, steel weight 1.5g, motor oil weight 3g, platform rotational speed 1000rpm, SiC mesh # 8000, steel mesh # 120, magnet pole rotational speed 500rpm (A1B1C2D3E3F3G3H2).
The experiments proved that vibration-assisted magnetic abrasive finishing method in the best parameter combinations, can effectively improve the stainless steel surface roughness from Ra0.13μm to 0.03μm within 5 minutes, improvement rate 77%. After finishing for 25 minutes, the surface roughness is down to Ra0.01μm, the surface improvement rate increase to 92.3%. Without the assisted vibration, after finishing 5 minutes the roughness is Ra0.05μm, the improvement rate is only 61.54%. This proves that two-dimensional vibration assisted magnetic abrasive finishing method can save processing time and can effectively improve the finishinging efficiency and then save the cost of process.
Through the statistical analysis, we have a non-linear regression model, and then use a variety of test, analysis and evaluation, getting that the interactions between parameters are not obvious, and the model have significant prediction ability.
|
參考文獻 |
[1].黃孟祥,「磁氣研磨法於微細電極表面拋光技術之研究」,國立雲林科技大學,碩士論文,2000。
[2].莊政儒,「磁力研磨法應用於方管內表面精磨之研究」,私立華梵大學,碩士論文,2002。
[3].Shaohui Yin and Takeo Shinmura, “Vertical vibration-assisted magnetic abrasive finishing and deburring for magnesium alloy”, INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, Vol. 44, NO.12-13, pp.1297-1303,2004.
[4].張榮顯,「磁力研磨加工應用於放電加工表面改善之研究」,國立中央大學,碩士論文,2001。
[5].Jain VK, Kumar P, Behera PK and Jayswal SC, “Effect of working gap and circumferential speed on the performance of magnetic abrasive finishing process”, WEAR, Vol.250, NO.1-12, pp.384-390, 2001.
[6].Wang DB , Shinmura T , Yamaguchi H, “STUDY OF MAGNETIC FIELD ASSISTED MECHANOCHEMICAL POLISHING PROCESS FOR INNER SURFACE OF SI3N4 CERAMIC COMPONENTS FINISHING CHARACTERISTICS UNDER WET FINISHING USING DISTILLED WATER”, INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, Vol.44, NO.14, pp.1547-1553, 2004.
[7].Wang Y and Hu DJ, “Study on the inner surface finishing of tubing by magnetic abrasive finishing”, INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, Vol.45, NO.1, pp.43-49,2005.
[8].Singh DK, Jain VK, Raghuram V and Komanduri R, “Analysis of surface texture generated by a flexible magnetic abrasive brush”, WEAR, Vol.259, NO.7-12, pp.1254-1261, 2005.
[9].Shimada K, Wu Y and Wong YC, “Effect of magnetic cluster and magnetic field on polishing using magnetic compond fluid”, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Vo.262, NO.2, pp.242-247,2003.
[10].Hanada K, Yamaguchi H and Zhou H, “New spherical magnetic abrasives with carried diamond particles for internal finishing of capillary tubes”, DIAMOND AND RELATED MATERIALS, Vol.17, NO.7-10, pp.1434-1437, 2008.
[11].Furuya T, Wu Y, Nomura M ,Shimada K , Yamamoto K, “Fundamental performance of magnetic compound fluid polishing liquid in contact-free polishing of metal surface” ,JOURNAL OF MATERIALS PROCESSING, Vol.201, NO.1-3, pp. 536-541, 2008.
[12].Singh S, Shan HS and Kumar P, “Wear behavior of materials in magnetically assisted abrasive flow machining”, JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Vol.128, NO.1-3 , pp.155-161, 2002.
[13].鄭棕仁,「電解與磁力研磨之複合加工技術研究」,國立中央大學,碩士論文,2002。
[14].偕義弘,「電解與磁力研磨之複合加工應用於內壁表面改善之研究」,國立中央大學,碩士論文,2003。
[15].Yamaguchi H and Shinmura T, “Study of an internal magnetic abrasive finishing using a pole rotation system discussion of the characteristic abrasive behavior”, PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY, Vol.24, NO.3, pp.237-244, 2000.
[16].Shinmura T, Hatano E and Takazawa K, “Development of Plane Magnetic Abrasive Finishing Apparatus and its Finishing Performance”, J. OF JSPE (in Japanese), Vo1.52, No.6 (1986), pp.1080-1086.
[17].Shinmura T, Aizawa T, “Study on Internal Finishing of a Nonferromagnetic Tubing by Magnetic Abrasive Machining Process”, BULLETIN OF THE JAPAN SOCIETY OF PRECISION ENGINEERING, Vol.23, No.1, pp.37-41, 1989.
[18].進村武男,“磁氣研磨法の現狀課題” ,機械と工具, 1996 年 9月, pp.16-21.
[19].李輝煌,田口方法-品質設計的原理與實務,高立圖書有限公司,台北,
三版,2010。
[20].林清田,「不鏽鋼SUS304磁力研磨拋光加工特性之研究」,國立中興大學,碩士論文,2004。
[21].楊世瑩,SPSS統計分析實務,旗標出版股份有限公司,台北,初版,2005。
[22].唐麗英、王春合,STATISTICA與基礎統計分析,滄海書局,台北,初版,2003。
[23].Shinmura T, Takazawa K, Hatano E, “Study on Magnetic Abrasive Finishing”, ANNALS OF THE CIRP, Vol.39, No.1, pp.325-328, 1990.
[24].電機工程編輯委員會,鋼材料-機械工程手冊2,五南出版社。
|