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標題: 骨螺釘外牙渦銑之模擬和分析
Simulation and Analysis of External Thread Whirling for Bone Screws
作者: 黃証彥
Huang, Cheng-yen
關鍵字: bone screw;骨螺釘;thread whirling;coordinate transformation;automatic Swiss machine;metal cutting;螺牙渦銑;座標轉換;瑞士型自動車床;金屬切削
出版社: 機械工程學系所
引用: Angel, E., Computer Graphics, United States: Addison-Wesley Publishing Company,Inc., pp. 160-188, 1990. Angel, E., Interactive Computer Graphics: A Top-Down Approach with Open GL, 3rd ed., United States: Addison-Wesley Publishing Company Inc., pp. 143-212, 2003. Ahn, J. H., D. B. Kang, M. H. Lee, H. Y. Kim and K. K. Cho, “Investigation of Cutting Characteristics in Side Milling a Multi-thread Worm Shaft on Automatic Lathe, ” Annal of the CIRP, Vol. 55/1, 2006, pp. 63-66. Abele, E. & Fröhlich, B. “High speed milling of Titanium alloys”, Advances in Production Engineering & Management, Vol. 3, 2008, pp. 131-140. Burgsmueller, K., H. Hainberg, Kreiensen and Harz, “Thread Whirling Method”, United States Patent, No. 3209652, 1965. Craig, J. J., Introduction to Robotics Mechanics and Control, 3nd ed., Pearson Education International, 2005. ChipBLASTER Inc., ChipBLASTER Video, website:, 2009. Kuljanic E., M. Fioretti, L. Beltrame, F. Mian, “Milling Titanium Compressor Blades with PCD Cutter”, Annal of the CIRP, Vol. 47/1, 1999, pp. 61-64. Gregory S. A., ”Tool Holder with Integral Coolant Passage and Replaceable Nozzle”, United States Patent, No. 6045300,Jun.5,1997. Jeton R/D & MFG. Inc., “Adjustable Coolant Hoses”, website:, 2009. Lee, M. H., Kang D. B., Son S. M. and Ahn J. H., “Investigation of Cutting Characteristics for Worm Machining on Automatic Lathe –Comparison of Planetary Milling and Side Milling”, J. of Mechanical Science and Technology, Vol. 22, 2008, pp. 2454-2463. Mohan L. V. and M. S. Shunmugam, “Simulation of Whirling Process and Tool profiling for Machining of Worms”, J. of Materials Processing Technology, Vol. 185, 2007, pp. 191-197. MatWeb, website:, 2010. Rogers, D. F., Mathematical Elements for Computer Graphics, McGraw-Hall Book Company, 1990. Shaw, M. C. “Metal Cutting Principle”, Published by Oxford University Inc., New York, 1984. Star Micronics Co. Ltd., “Operation Manual of ECAS-20T Type A/B”, 2007. 晉茂林,“機器人學”,五南圖書出版公司,2000. 林科余,“動態拉力骨釘單機自動化切削製程”,碩士論文,台灣,國立中興大學機械系,2009.


另外在瑞士型加工機上進行加工試驗,以鈦合金(Ti-6Al-4V)與不鏽鋼(AISI 316L),此兩種難切削的醫療植入性材料做為實作的棒材,實驗結果顯示與模擬結果有一致性。另外,配合高壓低溫切削液進行切削實驗,相較於配合傳統冷卻系統,對於切削產生高溫致使切屑沾黏及工件表面粗糙度不佳的問題,有大幅改善。

The purpose of this research is to construct a kinematic model for external thread whirling of bone screws and to analyze the resulting cutting error. Based on the kinematic characteristics of external thread whirling, the
mathematical model of the fundamental cutting process is obtained for the cutting simulation and error analysis.

Using homogeneous coordinate transformation method, kinematic analysis will be conducted to establish the movement relationship of the cutting tool relative to the workpiece, and the trajectory of a point on the cutter relative to the workpiece can be obtained.

Based on the above model, MATLAB is used as a programming tool for implementing the external thread whirling simulation system. Inputting the required cutting parameters, the corresponding trajectory and cutting error can be obtained through the kinematic simulation. The input parameters are thread dimensions, whirling tool size, relative position of the cutter to the workpiece, the cutter and the workpiece rotating speed, the output result is the cutting trajectory simulation and cutting error. Through the simulation system, the effects on the machining process can be observed for variations of each cutting parameter. The efficiency of the process design for thread whirling thus can be increased.

Cutting experiments have been carried out on a Swiss type automatic machine cuttimg titanium alloy Ti-6Al-4V and stainless steel 316L for medical implants which are considered as difficult-to-machine materials. Experimental results show the consistency to the simulation results. Additionally, the use of the cooling system with high pressure and low temperature compared to the traditional cooling system, the problems of chip adherence and poor surface roughness caused by high cutting temperature have been improved significantly.
其他識別: U0005-1307201010250700
Appears in Collections:機械工程學系所

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