螺旋式磨料流動研拋法應用於螺旋表面之研究｜國立中央大學博碩士論文系統

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研究生：	陳占銘 Jan-ning Chen
論文名稱：	螺旋式磨料流動研拋法應用於螺旋表面之研究
指導教授：	顏炳華 Biing-Hwa Yan
口試委員:
學位類別：	碩士 Master
系所名稱：	工學院 - 機械工程學系在職專班 Executive Master of Mechanical Engineering
畢業學年度：	95
語文別：	中文
論文頁數：	68
中文關鍵詞：	螺旋研拋、磨料流動加工、黏彈性磨料
外文關鍵詞：	Abrasive flow machining, Visco-elastic abrasive, Polishing
相關次數：	點閱：13 下載：0
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本研究是以磨料流動加工方法而利用螺桿試件旋轉來驅動黏彈
性磨料，再進行對其試件表面的研磨拋光。實驗中，藉由控制加工時
間、磨料粒徑、磨料濃度、主軸轉速等加工參數，探討對磨料黏度、
表面粗糙度的影響，並找出最佳參數組合；同時亦觀察實驗後，各加
工參數對工件表面形貌之影響。
由實驗結果顯示，隨著加工時間的增加，磨料會呈現良好的流動
性，此特性有利於螺旋研拋，使達成理想之表面研拋效果。而在選用
微細磨粒與高濃度之磨料，配合適當的主軸轉速，可獲得最佳表面改
善效果，有效地將工件之表面粗糙度由0.46μmRa 降至0.13μmRa，
表面有微量的材料去除，而達到快速研拋效果。

The study presents the polishing of screw surface by abrasive flow
machining, which is propelled by itself. In the experiment, the effects
upon working temperature, abrasive viscosity and surface roughness are
discussed by controlling machining time, particle size, abrasive
concentration and the rotation speed of spindle. Also, the influence of
these parameters on the polished surface is observed. Thus, the best
parameter setting could be obtained.
The result of the experiment shows that the liquidity of abrasive
would rise with the increasing of machining time. This property is
beneficial for fine spiral polishing to achieve an ideal polishing effect.
The better polishing effect could be obtained by using 4μm particle size,
50% of abrasive concentration,5 minutes machining time and 2500 rpm
of rotation speed. The surface roughness can be effectively reduced from
Ra 0.46μm to Ra 0.13μm.

摘要.......................................................................................................... Ⅰ
英文摘要.................................................................................................. Ⅱ
謝誌.......................................................................................................... Ⅲ
總目錄...................................................................................................... Ⅳ
圖目錄...................................................................................................... Ⅵ
表目錄...................................................................................................... Ⅷ
第一章 緒論.............................................................................................. 1
1-1 前言............................................................................................. 1
1-2 研究動機與背景......................................................................... 2
1-3 研究目的與方法......................................................................... 3
第二章 實驗基本介紹............................................................................. 4
2-1 磨粒加工特性............................................................................. 4
2-2 磨粒磨耗型態............................................................................. 6
2-3 螺旋研拋作動方式..................................................................... 7
第三章 實驗設備、材料與方法........................................................... 10
3-1 實驗設備................................................................................... 10
3-2 實驗儀器................................................................................... 14
3-3 實驗材料................................................................................... 24
3-3-1 黏彈性磨料.................................................................... 24
3-3-1-1 碳化矽顆粒........................................................ 26
3-3-1-2 磨料濃度計算公式............................................ 26
3-3-2 試桿材料........................................................................ 27
3-4 實驗方法................................................................................... 29
第四章 結果與討論............................................................................... 31
4-1 加工參數與磨料黏度之關係................................................... 31
4-1-1 加工時間對磨料黏度之影響........................................ 32
4-1-2 磨粒粒徑對磨料黏度之影響........................................ 33
4-1-3 加工轉速對磨料黏度之影響........................................ 34
4-2 加工參數與磨料溫度之關係................................................... 35
4-2-1 加工轉速對加工溫度之影響........................................ 37
4-2-2 磨粒粒徑對加工溫度之影響........................................ 38
4-3 加工參數對螺旋試桿表面研拋之影響................................... 39
4-3-1 加工時間對表面粗糙度之影響.................................... 39
4-3-2 磨料粒徑對表面粗糙度之影響.................................... 42
4-3-3 磨料濃度對表面粗糙度之影響.................................... 43
4-3-4 加工轉速對表面粗糙度之影響.................................... 44
4-3-5 最佳參數........................................................................ 45
4-4 表面形貌探討........................................................................... 47
第五章 結論............................................................................................ 55
參考文獻.................................................................................................. 56

                                

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[7] 曾信智著，“黏彈性磨料應用於複雜曲面的精拋技術研究＂，
國立中央大學博士論文，2006。
[8] 蕭聖勳著，“黏彈性磨料應用於精微螺旋研拋之研究＂，
國立中央大學碩士論文，2006。
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[10] J.J. Haan, P.S. Steif, “Abrasive wear due to the slow flow of a
concentrated suspension＂, Wear 219 (1998) 177-183.

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