Simulation of intermittent turning processes

doi:10.1115/1.2896432

淡江大學機構典藏 > 工學院 > 航空太空工程學系暨研究所 > 期刊論文 > Item 987654321/62387

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题名:	Simulation of intermittent turning processes
作者:	Zhang, G. M.;Yerramareddy, S;Lee, Shi-min;Lu, S. C.-Y.
贡献者:	淡江大學航空太空工程學系
关键词:	Simulation;Turning;Simulation models;Cutting, Free vibrations;Probability;Algorithms;Stress;Cutting tools;Dynamics (Mechanics)
日期:	1991-09
上传时间:	2011-10-18 20:43:25 (UTC+8)
出版者:	ASME International
摘要:	A simulation model is developed to study the dynamic characteristics of intermittent turning operations. Factors such as chip load, free-vibration of the toolpost structure, and nonhomogeneous hardness distribution in the material being cut are incorporated in the model. The principle of superposition is used in the formulation of the simulation algorithm. The impact between the cutting tool and the workpiece at the start of every cutting period during machining is treated as an initial value problem. The simulation model provides a quantitative evaluation of the tool vibratory motion during the intermittent turning process. Study of the cutting dynamics based on the simulation results not only confirms the experimental findings, but also indicates that increasing the static stiffness of the toolpost structure is an effective approach to control the tool vibratory motion. The determination of probability of tool breakage under various spindle speed settings is presented as an example to demonstrate the practical applications of the simulation model developed in this work.
關聯:	Journal of dynamic systems, measurement, and control 113(3), pp.458-466
DOI:	10.1115/1.2896432
显示于类别:	[航空太空工程學系暨研究所] 期刊論文

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