異入射角度之非對稱壓延對A1050板材曲率變化之實驗研究

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姓名

鄭志忠(Chih-Chung Cheng) 查詢紙本館藏

畢業系所

機械工程學系在職專班

論文名稱

異入射角度之非對稱壓延對A1050板材曲率變化之實驗研究
(Experimental research of curvature variation for aluminum plate A1050 with different entry angle of asymmetrical rolling)

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摘要(中)

由於非對稱壓延可使壓延材料於壓延製程中更趨自由性與多樣性，在壓延工業應用上，具有正面之助益；但於非對稱壓延後之板材易產生彎曲之現象，它將會造成產品品質降低與設備損壞之缺點。
本文主要以實驗的方法，觀察A1050鋁板以不同的入射角度進行壓延，對壓延後板材的變化情形，探討不同的入射角度與曲率、縮減率之關係及曲率與不同界面摩擦條件之關係，並討論不同的入射角度對壓延力和壓延扭矩之關係。期望可由本文所得之實驗結果，提供理論解析之驗證及非對稱壓延製程品質改善之參考，藉以達到曲率控制，入射角度控制，壓延力控制，進而減少壓延道次，以期達到降低壓延能量之經濟性製程。

摘要(英)

Asymmetrical rolling will make rolling process flexible and variable. These are extreme advantages applicable to rolling industry. The flat bending curvature of the specimens after the asymmetrical rolling will reduce production quality and cause impact on the production machine.
This research mainly uses experiments to observe curvature of aluminum flat A1050 at rolling mill with different contact entry angle and the deviations after rolling periods ，so as to investigate or explore the relations between different entry angle vs decrease rate and the relations between different rate of curvature vs different interface frictions，further more also discuss the relations between different entry angle vs rolling force or rolling torque。I personally wish this results from those experiments could provide theoretical analysis proof and could better the asymmetrical process quality，moreover ，this results could be used to control the different curvature rate、entry angle、rolling forces to diminish the rolling times and save the rolling energy for more economical process for those experts who work in this area.

關鍵字(中)

★ 曲率
★ 入射角度
★ 非對稱壓延

關鍵字(英)

★ curvature
★ entry angle
★ asymmetrical rolling

論文目次

中文摘要 I
英文摘要 II
致謝 III
目錄 IV
圖目錄 VI
表目錄 XI
第一章緒論 1
1-1 前言 1
1-2 板材非對稱壓延 2
1-3 研究動機 3
第二章理論基礎 4
2-1 壓延種類 4
2-2 文獻回顧 5
2-2-1 實驗研究方面 5
2-2-2 理論解析方面 10
第三章實驗設備與方法 14
3-1 實驗設備 14
3-1-1 壓延機 14
3-1-2 資料擷取系統 15
3-1-3 資料擷取方式 15
3-2 實驗方法 16
3-2-1 試片準備及編號 16
3-2-2 實驗條件 17
3-2-3 潤滑條件的準備 18
3-2-4 輥輪及工作平台之調整 19
3-2-5 實驗步驟 20
3-3 成形板材之曲率量測 22
3-3-1 曲率計的設計 22
3-3-2 曲率計的量測原理 23
3-3-3 試片曲率的量測方法 23
3-4 拉伸試驗 24
3-5 環壓試驗 25
3-6 Forward Slip 27
第四章結果與討論 31
4-1 拉伸試驗 31
4-2 環壓試驗 31
4-3 Forward Slip 32
4-4 壓延實驗 33
4-4-1 入射角度對壓延力之影響 34
4-4-2 入射角度對壓延扭矩之影響 35
4-4-3 入射角度對材料彎曲曲率的影響 36
4-4-4 界面摩擦應力對壓延力與壓延扭矩的效應 37
4-4-5 界面摩擦應力對材料彎曲曲率的效應 38
4-4-6 試片初始厚度對壓延力及壓延扭矩的影響 40
4-4-7 試片初始厚度對材料彎曲曲率的影響 41
第五章結論 44
參考文獻 46
附錄A 90
附錄B 94
附錄C 96

參考文獻

[1] T. von Karman, Zeitschrift fur angewandte Mathematik und Mechanik,5 (1925) 139.
[2] E. Orowan, The Calculation of Roll Pressure in Hot and Cold Flat Rolling, Proceedings of the Institution of Mechanical Engineers, 150 (1943) 140-167.
[3] D. R. Bland and H. Ford, The Calculation of Roll Force and Torque in Cold Strip Rolling with Tensions, Proc. Instn. Mech. Engrs., 159 (1948) 144-153.
[4] H. Ford, F. Ellis and D. R. Bland, Cold Rolling with Strip Tension Part I. A New Approximate Method of Calculation and aComparison with Other Method, Journal of the Iron and Steel Institute, May, (1951) 57-72,.
[5] R. B. Sims, The Calculation of Roll Force and Torque in Hot Rolling Mills, Proc. Instn. Mech. Engrs., 168 (1954) 191-200.
[6] J. M. Alexander, On the Theory of Rolling, Proceedings of the Royal Socity of London. Series A, 326 (1972) 535-563.
[7] D. Rusia, Improvements to Alexander's Computer Model for Force and Torque Calculations in Strip Rolling Process, Journal of the Material Shaping Technology, 8 (1990) 167-177.
[8] D. Rusia, Review and Evaluation of Different Methods for Force and Torque Calculations in the Strip Rolling Process, Journal of the Material Shaping Technology, 9 (1991) 117-125.
[9] W. Johnson and G. Needham, "An Experimental Study of Asymmetrical Rolling", Applied Mechanics Convention, Cambridge,Instn. Mech. Engrs., 180 (April 1966) 270- 281.
[10] W. Johnson and G. Needham, "Further Experiments In Asymmetrical rolling", Int. J. Mech. Sci., 8 (February 1966)433-455.
[11] I. F. Collins and P. Dewhurst, "A Slipline Field Analysis of Asymmetrical Hot Rolling", Int. J. Mech. Sci., 17 (1975) 643-651.
[12] D. Pan and D. H. Sansome, "An Experimental Study of the Effect of Roll Speed Mismatch on the Rolling Load during the Cold Rolling of the Thin strip," Journal of Mechanical Working Technology,6(1982)361-377.
[13] Janusz Popiech, "A note on the influence of some factors affecting curvature in the flat rolling of strip", Journal of Mechanical Working Technology. 15 (1987) 69-8
[14] J. Jeswiet, P.G.Greene, ”Experimental measurement of curl in rolling,” J. Mater. Proces. Technol., 84(1998) 202-209
[15] Campbell McConnell and J.G. Lenard, "Friction in cold rolling of a low carbon steel with lubricants", Journal of Materials Processing Technology. 99 (2000) 86-93.
[16]徐禮彬,”A1050鋁材之非對稱壓延實驗研究”,國立中央大學/機械工程研究所,碩士論文,2006
[17]張東堯,”異徑壓延板材彎曲曲率之實驗研究” ,國立中央大學/機械工程研究所,碩士論文,2007
[18]江龍, “加工參數對A1050P板材經壓延加工後的曲率變化之實驗研究” ,國立中央大學/機械工程研究所,碩士論文,2008
[19]詹敏雄, “入口角度對非對稱壓延A1050P 鋁材彎曲行為之實驗研究” ,國立中央大學/機械工程研究所,碩士論文,2008
[20]陳遠欣,”A1050P板材經非對稱壓延之彎曲行為的實驗研究” ,國立中央大學/機械工程研究所,碩士論文,2008
[21] H. Dyja, P.Korczak and J.W.Pilarczyk, J. Grzybowski, Theoretical and Experimental Analysis of Plates Asymmetric Rolling, Journal of Materials Processing Technology, 45 (1994) 167-172
[22] H. Dyja, J. Markowski and D. Stoninski, Asymmetry of the Roll Gap as a Factor Improving Work of the Hydraulic Gauge Control in the Plate Rolling Mill, Journal of Materials Processing Technology, 60 (1996) 73-80.
[23] J. -S. Lu, O. -K. Harrer, W. Schwenzfeier and F. D. Fischer,Analysis of the Bending of the Rolling Material in Asymmetrical Sheet Rolling, International Journal of Mechanical Sciences, 42 (2000) 49-61.
[24] J. Markowski, H. Dyja, M. Knapinski, A. Kawalek, "Theoretical analysis of the asymmetric rolling of sheets on leader and finishing stands", Journal of Materials Processing Technology,138 (2003) 183-188.
[25] A. Kawalek, Forming of Band Curvature in Asymmetrical Rolling Process, Journal of Materials Processing Technology, 155-156 (2004) 2033-2038.
[26] A. Kawalek, The Theoretical and Experimental Analysis of The Effect of Asymmetrical Rolling on The Value of Unit Pressure,Journal of Materials Processing Technology, 157-158 (2004) 531-535.
[27] F.Farhat-Nia, M.Salimi, M.R.Movahhedy, "Elasto- plasticfinite element simulation of asymmetrical plate rolling using an ALE approach", Journal Materials Processing Technology, 177 (2006) 525-529.
[28] M. philipp, W. Schwenzfeier, F. D. Fischer, R. Wodlingre and C.Fischer, Front End Bending in Plate Rolling Influenced by Circumferential Speed Mismatch and Geometry, Journal of Materials Processing Technology, 184 (2007) 224-232.
[29] 孟繼洛, "機械材料",臺北市:曉園出版社, (1990)430-431。
[30] A. T. Male and M. G. Cockcroft, "A Method for the Determination of the Coefficient of Friction of Metals under Conditions of Bulk Plastic Deformation", Journal of the Institute of Metals, 93 (1964-65) 38-46.
[31] Designation：E8M, Standard Test Methods for Tension Testing of Metallic Materials [Metric], pp. 85.
[32] W. F. Hosford and M. C. Caddell, "Metal forming Mechanics and Metallurgy", Prentice-Hall International Inc., (1993) 55-60.
[33] J. G. Lenard, "Friction and Forward Slip in Cold Strip Rolling", Tribology Transactions, 35 (1992) 423-428.
[34] S. Ekelund, "The Analysis of Fators Influencing Rolling Pressure and Power Consumption in the Hot Rolling of Sheet", Steel, 93(1933)27-29.
[35] W.L. Roberts, "Cold Rolling of Steel", Dekker and Co., New York, (1987).

指導教授

葉維磬(Wei-Ching Yeh)

審核日期

2009-7-21

推文