A piston production line is built in virtual simulation environment based the existing processes and layout. Its simulation result is shown with figure and graphic. Based on those results, some reconfiguring advices are supplied and also simulated on virtual environment. After reconfiguring the piston production line, many results are obtained by simulation, and it is shown that: the work-piece in processing (WIP) is reduced obviously, and its machines, labors and processes are decreased evidently.
aiming at the low 1eve1 of automation of case retrieva1 in case based design the retrieva1 model design used in case based fixture design was studied in detail. On the analysis of the functional surfaces of work piece, the design requirement is extracted whereby the functional mode of work piece is presented, and the prototype of fixture assembling based on the theory of General location is constructed. Aim at increasing the accurate rate of retrieval in case-based reasoning, the fixture assembling information of three layers structure is realized. The theory and methodology is lastly exemplified where a new approach of fixture design automation is explored.
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