Selection of Machining Datum and Allocation of Tolerance through Tolerance Charting Technique

查看全文 作　　者：THILAK [1]Manoharan;SIVAKUMAR [2]Karuppan;JAYAPRAKASH [3]Govindharajalu

机构地区：[1]Department of Mechanical Engineering,TRP Engineeering College,Tiruchirappalli-621105,TamilNadu,India;[2]Department of Mechanical Engineering,Bannari Amman Institute of Technology,Sathyamangalam-638401,TamilNadu,India;[3]Department of Mechanical Engineering,Shivani Engineering College,Tiruchirappalli-620009,TamilNadu,India

出　　处：《Chinese Journal of Mechanical Engineering》索引2012年第25卷第4期,共9页

摘　　要：Tolerance charting is an effective tool to determine the optimal allocation of working dimensions and working tolerances such that the blueprint dimensions and tolerances can be achieved to accomplish the cost objectives.The selection of machining datum and allocation of tolerances are critical in any machining process planning as they directly affect any setup methods/machine tools selection and machining time.This paper mainly focuses on the selection of optimum machining datums and machining tolerances simultaneously in process planning.A dynamic tolerance charting constraint scheme is developed and implemented in the optimization procedure.An optimization model is formulated for selecting machining datum and tolerances and implemented with an algorithm namely Elitist Non-Dominated Sorting Genetic Algorithm(NSGA-II).The computational results indicate that the proposed methodology is capable and robust in finding the optimal machining datum set and tolerances. 关键词：加工基准制图技术分配公差尺寸工艺规划遗传算法优化配置加工时间

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Selection of Machining Datum and Allocation of Tolerance through Tolerance Charting Technique

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