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題名 | 被動式減振裝置之研製=The Design of Passive Damper |
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作者 | 林維新; | 書刊名 | 國立虎尾技術學院學報 |
卷期 | 3 2000.03[民89.03] |
頁次 | 頁75-82 |
分類號 | 446.8 |
關鍵詞 | 被動式減振裝置; 車削加工; 外加阻尼裝置; 顫振; 動態剛性; 被動式減振裝置; |
語文 | 中文(Chinese) |
中文摘要 | 本研究係針對細釀工件之車削加工,設計一外加阻尼裝置(被動式減振裝置),使其依附在工件表面,以增加切削系統之阻尼比,提高系統剛性,避免顫振發生。 實驗結果發現,當工件長度為720mm,工件直徑為40mm,進給速度為0.1mm/rev,切削深度為2mm,以1000rpm之機軸轉速進行切削,車削加工完成以後,測量工件表面之表面粗糙度。未使用減振裝置時之表面粗糙度為18.28μm/Ra,使用從動刀架時為18.62μm/Ra,而使用減振裝置時,其表面粗糙度值僅有1.764μm/Ra而已。而且未使用減振置及使用從動刀架時,工件表面都有顫振紋路出現,而使用減振裝置時則無顫振發生,表面都非常光滑。 為了進一步瞭解本減振裝置之性能,測量工件之真圓度誤差,比較未使用減振裝置及使用減振裝置時之真圓度誤差,其結果為未使用振裝置時之真圓度誤差,其真圓度誤差高達15.5μm,而使用減振裝置時之真圓度誤差僅有1.2μm而已。 |
英文摘要 | The purpose of this study was to design a passive damper to suppress the chatter occur. Using an external damping device to attach by the slender workpiece, to increase the damping ratio of the slender parts. From experimental results, we can find the superior performance of the passive damper. For example, when workpiece length was 720mm, workpiece diameter was 40mm, and the feed rate f=0.1mm/rev, depth of cut d=2mm, cutting speed v=125.66m/min. We can find the obvious chatter ark and the coarser surface for the conventional turning (without passive damper), and the surface roughness value was 18.28μm Ra. But it can not found any chatter mark on workpiece surface with passive damper, and the surface roughness value was 1.764μm Ra. Measuring the error of roundness, it was 15.5μm for conventional turning, but only 1.2μm with passive damper. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。