Simulation-based support tool for operator performance in batch manufacturing
Nicholson, David, Gunn, Bruce and Nahavandi, Saeid 2004, Simulation-based support tool for operator performance in batch manufacturing, in Proceedings of abstracts and papers of the 5th Asia-Pacific Industrial Engineering and Management Systems Conference & the 7th Asia-Pacific division meeting of the International Foundation of Production Research : Gold Coast, Australia, 12-15 December 2004, Queensland University of Technology, Brisbane, Qld., pp. 1-11.
Proceedings of abstracts and papers of the 5th Asia-Pacific Industrial Engineering and Management Systems Conference & the 7th Asia-Pacific division meeting of the International Foundation of Production Research : Gold Coast, Australia, 12-15 December 2004
In industry, the workload and utilization of shop floor operators is often misunderstood. In this paper, we will present several real case studies, using Discrete Event Simulation (DES) models, which allow us to better understand operators in a batch manufacturing environment. The first study investigates labour in a machining plant consisting of multiple identical CNC machines that batch produce parts. The second study investigates labour in an eight station, gravity die casting rotary table. The results from these studies have shown that there can be potential improvements made by the production planners in the current labour configuration. In the first case study, a matrix is produced that estimates what the operator's utilization levels will be for various configurations. From this, the preferred operator to machine ratio over a range of cycle times is presented. In the second study, the results have shown that by reducing the casting cycle time, the operator would be overloaded. A discrete event simulation of these two cases highlighted areas that were misunderstood by plant management, and provided them with a useful decision support tool for production planning.
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