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|Title:||Digraphic approach for dimensional chain identification in design and manufacturing||Authors:||Ji, P.
|Issue Date:||1994||Citation:||Ji, P.,Fuh, J.Y.H.,Ahluwalia, R.S. (1994). Digraphic approach for dimensional chain identification in design and manufacturing. American Society of Mechanical Engineers, Production Engineering Division (Publication) PED 68-2 : 973-978. ScholarBank@NUS Repository.||Abstract:||In order to determine working dimensions and tolerances of a process plan, a tolerance chart is often employed. Dimensional chain identification is a necessary step in the tolerance charting procedures. This paper presents a digraphic theoretical representation for a tolerance chart. Two directed trees are generated from working dimensions, blueprint dimensions and stock removals of the tolerance chart. These trees are then used to identify dimensional chains in order to find the relationship among the design and manufacturing dimensions. Furthermore, the concept of a reverse dimensional chain is introduced. The reverse dimensional chains can also be identified from the directed trees. Moreover, the relationship between the forward and reverse dimensional chains is discussed. Finally, the applications of dimensional chains to working dimension and tolerance determination are briefly described.||Source Title:||American Society of Mechanical Engineers, Production Engineering Division (Publication) PED||URI:||http://scholarbank.nus.edu.sg/handle/10635/74983|
|Appears in Collections:||Staff Publications|
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