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Improving casthouse throughput using discrete-event modeling

Gunn, Bruce and Frayman, Yakov 2011, Improving casthouse throughput using discrete-event modeling, Materials science forum, vol. 693, pp. 3-9.

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Title Improving casthouse throughput using discrete-event modeling
Author(s) Gunn, Bruce
Frayman, Yakov
Journal name Materials science forum
Volume number 693
Start page 3
End page 9
Total pages 7
Publisher Trans Tech Publications
Place of publication Lausanne, Switzerland
Publication date 2011
ISSN 0255-5476
Keyword(s) aluminum casthouse metal flow
discrete-event simulation
stochastic and dynamic analysis
Summary The scheduling of metal to different casters in a casthouse is a complicated problem, attempting to find the balance between pot-line, crucible carrier, furnace and casting machine capacity. in this paper, a description will be given of a casthouse modelling system designed to test different scenarios for casthouse design and operation. Using discrete-event simulation, the casthouse model incorporates variable arrival times of metal carriers, crucible movements, caster operation and furnace conditions. Each part of the system is individually modelled and synchronised using a series of signals or semaphores. in addition, an easy to operate user interface allows for the modification of key parameters, and analysis of model output. Results from the model will be presented for a case study, which highlights the effect different parameters have on overall casthouse performance. The case study uses past production data from a casthouse to validate the model outputs, with the aim to perform a sensitivity analysis on the overall system. Along with metal preparation times and caster strip-down/setup, the temperature evolution within the furnaces is one key parameter in determining casthouse performance.
Language eng
Field of Research 080110 Simulation and Modelling
091005 Manufacturing Management
010406 Stochastic Analysis and Modelling
Socio Economic Objective 861101 Basic Aluminium Products
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, Trans Tech Publications
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Document type: Journal Article
Collection: Centre for Intelligent Systems Research
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