Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/2444
標題: SUS304不銹鋼面銑毛邊生成之研究
Investigation of burr formation on SUS304 stainless steel face milling
作者: 蔡吉隆
Tsai, Chi-Lung
關鍵字: stainless steel;不銹鋼;burr;Taguchi method;毛邊;田口法
出版社: 機械工程學系所
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摘要: 
在加工過程中,無可避免的都會產生毛邊(burr),為了避免毛邊所造成的問題,幾乎所有的情況都必須將它去除。不銹鋼材已大量使用在我們生活之中,因其擁有良好的抗拉、疲勞、抗潛變等機械性質,因此在加工上所形成的毛邊難以去除。
本論文主要探討304不銹鋼在面銑的過程中,以毛邊高度為品質特性進行實驗探討,運用田口實驗法規劃本研究實驗的製程參數(轉速、進給率、切削深度及出口角度等),並使用TM101工具顯微鏡量測毛邊高度,以進而求得減少毛邊高度最佳參數組合與驗證實驗。
本研究結果顯示面銑不銹鋼時,增加轉速、切深與減少進給可減少毛邊高度,而改變出口角度影響較小。減少毛邊高度最佳的製程參數組合為轉速900rpm、進給0.16 mm/tooth、出口角度108°、切深1.5mm。經實際切削後,我們可以發現由最佳切削參數於初期成功獲得較小的毛邊高度,但隨著刀具的磨耗,毛邊的高度也逐步增加,兩者形成明顯正比的趨勢,最佳參數實際切削的結果與預測值間的誤差由11.94%上升到33.83%。由此觀之,建議加工不同種類的材料應注意選用其適合的刀具,如此更能達到減少毛邊生成之目標。

The burrs will definitely appear in mechanical process. In order to avoid the problems caused by burrs, The above problems all indicate that the burrs must be removed during processing. Stainless steel has been widely used in our lives, because it has good tensile strength, fatigue strength, creep and other mechanical properties. Therefore, it is difficult to remove the burrs formed during mechanical process.
In this thesis, 304 stainless steel is the main topic and the application of Taguchi method is used in face milling experiment. I select four factors as the cutting conditions: cutting speed, feed rate, depth of cut and exit angle. In addition, TM101 microscope is used to measure burrs height to acquire the optimal cutting parameters.
The study result shows that the increase in cutting speed, depth of cut and the decrease in feed rate ultimately reduce the burrs height. However, exit angle has little effect on burrs height. We obtain the optimal machining parameters are: cutting speed : 900 rpm, feed rate : 0.16 mm/tooth, exit angle : 108, depth of cut : 1.5 mm. Through actual cutting, I find that the optimal cutting parameters decrease the height of burrs in the initial research stage. Because of the tool wear, burr height is gradually increased. In other words, the tool wear is proportional to burr height. The results of errors between the actual cutting and the predicted value increase from 11.94% to 33.83%. In my conclusion, in order to achieve the goal of decreasing burr height, I suggest that suitable tools should be compatibly applied to different types of materials.
URI: http://hdl.handle.net/11455/2444
其他識別: U0005-1307201012321900
Appears in Collections:機械工程學系所

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