研究生: |
鄧嘉豪 CHIA-HAO TENG |
---|---|
論文名稱: |
鑽石線鋸切割硬脆材料暨加工參數之研究 The Research of Diamond Wire Slicing Brittle Materials and Process Parameters |
指導教授: |
左 培 倫
Pei - Lum Tso |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 動力機械工程學系 Department of Power Mechanical Engineering |
論文出版年: | 2002 |
畢業學年度: | 90 |
語文別: | 中文 |
論文頁數: | 96 |
中文關鍵詞: | 鑽石線鋸 、延性磨削 、固定磨粒加工 |
外文關鍵詞: | Diamond Wire, Ductile Regime, Fixed Abrasive |
相關次數: | 點閱:1 下載:0 |
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鑽石線鋸切割是目前利用在切割石材及其他硬脆材料的一種固定磨粒加工方式,相對於游離磨粒線鋸其優點在於提升材料移除率以及加工磨粒能充分被利用,能夠有效的提高產能。
為了能夠將鑽石線鋸在未來能應用於半導體晶圓切割等高成本的材料加工之中,本文在研究中國砂輪公司所研發的鑽石硬銲線鋸;本論文首先推導單顆鑽石磨粒移除體積公式,來幫助瞭解磨粒移除材料體積之過程,並以實驗來驗證;其次有效降低切割後硬脆材料之表面粗度到1μm以內,並針對矽試片表面粗度在1μm左右的實驗參數進行研究,觀察加工參數(進給速度、線鋸速度、進給壓力)對加工特性(材料移除率、表面粗度)之影響,計算單顆鑽石其單位時間之平均進給,再引入延性磨削理論,用以解釋整個磨粒切割試片之過程;最後利用類神經網路模擬,尋求加工過程最適切之加工參數,並討論此一鑽石線鋸應用在實際鋸切可行性。
At present, diamond grain wire slicing is the tool that uses fixed abrasives to cut ceramic and other brittle materials. Contrast to free abrasive wire slicing, fixed abrasive wire slicing can improve material removal rate and make the diamond grain used efficiently. So it can promote the productivity of material.
In order to make the diamond grain wire saw apply to high cost production in semiconductor industry such as wafer slicing. This paper researches the brazed diamond grain wire saw that the Kinik company manufactures. First we deduce Single-diamond grain remove material volume formula. It is helpful to realize the process of diamond grain remove material. And through some experiment to analysis and discuss the formula .Second we focus on surface roughness about 1μm and observe the effect that process parameters ( feed velocity、wire velocity、feed pressure) to working parameters(material remove rate、surface roughness).By Calculating average feed velocity of single-diamond grain, we can use ductile regime theorem to explain the process of diamond grain slicing brittle materials;Finally we use neural network to simulate the effect that process parameters to working parameters, find out the suitable process parameters, and discuss the workable of diamond grain wire slicing brittle materials.
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