隨著對商品品質要求的提升，對於工具機的加工精度與性能的要求也越來越高。除了希望達到工具機自動化生產，也希望可以提高其穩定性及提升加工品質。液靜壓滑軌透過供油系統提供高壓油，在滑塊與滑軌間產生一層油膜分隔滑塊與滑軌，可以達到高剛性與低磨耗的性能。目前工具機的線性滑軌平台多採用線性滾珠滑軌，很少採用液靜壓滑軌，而在國外已有廠商將工具機的線性滑軌改用液靜壓滑軌進行整合提供更優異的加工性能。本研究之目的在經由實驗探討液靜壓滑軌對切削性能的影響，將液靜壓滑軌與滾珠滑軌搭配在傳統車床進行切削實驗，透過比較液靜壓滑軌和滾珠滑軌於切削過程產生的振動與加工後工件的表面粗糙度進一步分析，探討液靜壓滑軌對車床性能的影響。

本研究使用實驗設計法(Design of Experiments, DOE)中的全因子分析，針對主軸轉速、切削深度、進給量、滑軌類型與工件材質，找出影響表面粗糙度與振動最顯著的因子，並將加工時量測到的振動時域訊號轉換成頻域訊號，探討引發振動的原因及液靜壓滑軌對振動的影響。

With increasing demands on industrial processing quality, machine tool performance and accuracy are also rising as well. In addition to become the automatic process for the machine tool, the processing of machine tools is also expected to increase more stability and reduce the vibration generated during the machining. Hydrostatic guideway provides high pressure through the oil supply system to generate an oil film, so that the slider and the guideway becoming a slide surface, it can achieve a high stiffness and lower wear performance. In Taiwan, most of the machine tools platform are still using the linear ball guideway. However, there are some overseas company have already replaced the ball linear guideway to hydrostatic guideway. In this study, will do the cutting tests for use the same cutting parameter to compare performance with the hydrostatic guideway and linear ball guideway applied on conventional lathe.

In this research, will use full factor analysis in DOE method to against for spindle speed, depth of cut, feed, guideway and cutting material which is most significant effect on surface roughness of workpiece and cutting vibration on the lathe cutting tool platform and chuck. Furthermore, the time domain of vibration signal will convert into frequency signal to analysis the source of vibration.

摘要----------------------------------------------------------I
Abstract-----------------------------------------------------II
誌謝--------------------------------------------------------III
目錄---------------------------------------------------------IV
圖目錄-------------------------------------------------------VI
表目錄-------------------------------------------------------IX
第一章 緒論--------------------------------------------------1
第二章 文獻回顧----------------------------------------------4
2.1 液靜壓軸承的工作原理----------------------------------4
2.2 車床與切削實驗之相關研究-----------------------------10
2.3 結語-------------------------------------------------26
第三章 研究方法---------------------------------------------27
3.1 研究流程---------------------------------------------27
3.2 系統架設與測試---------------------------------------28
3.3 切削實驗規劃-----------------------------------------36
第四章 工件準備與系統振動測試-------------------------------43
4.1 工件設計與模擬---------------------------------------43
4.2 系統振動實驗-----------------------------------------47
第五章 實驗結果與分析---------------------------------------60
5.1 切削實驗的規劃與實驗流程-----------------------------60
5.2 工件表面粗糙度分析-----------------------------------64
5.3 切削振動分析-----------------------------------------71
5.3.1 振動RMS值--------------------------------------------73
5.3.2 振動頻譜分析-----------------------------------------86
5.4 綜合比較---------------------------------------------96
第六章 結論------------------------------------------------100
6.1 研究成果--------------------------------------------100
6.2 未來展望--------------------------------------------101
參考文獻----------------------------------------------------102

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