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題名 | Flank Wear Model for Near Dry Turning under Built-Up Edge Effect=考慮積屑刃口之準乾式車削的刀腹磨耗理論解析 |
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作者 | 李貫銘; Li, Kuan-ming; Liang, Steven Y.; |
期刊 | 中國機械工程學刊 |
出版日期 | 20120400 |
卷期 | 33:2 2012.04[民101.04] |
頁次 | 頁123-132 |
分類號 | 446.893 |
語文 | eng |
關鍵詞 | 積屑刃口; 準乾式車削; 刀腹磨耗; Flank wear; Near dry machining; Built-up edge; |
中文摘要 | 本文針對考慮積屑刃口之準乾式車削之刀腹磨耗提出一理論分析模型,目的在預測於微潤滑的條件下之刀具壽命。此理論模型包含了切削力及切削溫度的預測。理論模型中的磨耗機制包含磨粒磨耗、黏著磨耗及擴散磨耗。為驗證模型的準確性,將分析數據與碳化鎢刀具車削中碳鋼AISI1045之實驗結果做一比較。結果顯示本研究所提出的理論分析模型可有效地預測微潤滑條件下之刀具壽命。 |
英文摘要 | The objective of this paper is to present a methodology to analytically model the tool flank wear rate in near dry turning under built-up edge (BUE) effect. It involves the analysis of cutting forces, cutting temperatures and tool wear modes of abrasion, adhesion, and diffusion. The BUE formation is also considered in the view of the dynamic strain aging in the modified Oxley's model. The important factors related to this model are contact stresses and temperatures that are obtained from the cutting force model and the cutting temperature model. To develop these models, a set of cutting experiments using carbide tools on AISI 1045 steels are performed to calibrate the coefficients in the models and to verify the proposed flank wear mechanisms. The comparisons between the model-predicted flank wear and experimental results show that the flank wear in near dry machining can be estimated well by the proposed models. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。