By Leondes T. Cornelius
This is often a useful five-volume reference at the very huge and hugely major topic of machine aided and built-in production structures. it's a set of exceedingly titled and well-harmonized volumes by way of prime specialists at the overseas scene. The suggestions and applied sciences utilized in computing device aided and built-in production structures have produced, and may doubtless proceed to provide, significant annual advancements in productiveness, that is outlined because the items and prone made out of every one hour of labor. This booklet bargains quite with greater usage of work and capital, specially details expertise structures. jointly the 5 volumes deal with comprehensively the key ideas and applied sciences which are concerned.
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Extra resources for Computer Aided And Integrated Manufacturing Systems, Volume 5: Manufacturing Processes
R. Ahmadi and Wurgaft 6 consider a mid-variety, mid-volume production environment with synchronized flow manufacturing, where the materials move smoothly and continuously from one operation to the next. T h e objective is to maximize the t h r o u g h p u t rate. e. e. staging problem). To balance the total workload the maximum workload of a station should be minimized. T h e authors give a mathematical formulation of the problem as a quadratic integer program. Dagnino 3 0 presents a system which combines product design, assembly planning, line balancing and the generation of the shop floor drawings.
Finally, the groups are scheduled. The objective is to minimize the makespan for assembling a batch of boards and to reduce the mean flowtime. The authors present and compare three heuristic methods—component-assignment/workload balancing algorithm (CAWB), workload balancing algorithm with shortest total processing time (WBASPT), and natural board subfamily algorithm (NBSA)—and conclude that CAWB and WBASPT outperform NBSA. Watkins and Cochran 114 consider a line of similar insertion machines, and propose a heuristic method for rebalancing the workload by moving components from the bottleneck machine to other machines.
In a pick-and-place machine with a moving head, a fixed table and fixed feeders, the problem can be model as a rural postman, linear assignment or quadratic assignment problem. In a rotary turret machine, the authors model the problem as a TSP and use a genetic algorithm (GA) for solving it. Supinski et al105 discuss the planning of the printing order and the generation of the robot code on a single machine. These tasks comprise three stages: CAD data importation, PCB assembly planning, and code generation.
Computer Aided And Integrated Manufacturing Systems, Volume 5: Manufacturing Processes by Leondes T. Cornelius
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