A properly sized furnace will accommodate “reasonable” production increases, ensure that melting and holding are optimal, and still a buffer of capacity for “catching up” after cleaning and maintenance.
Metalcasters are right to be concerned about energy efficiency, but sometimes we see overlook other factors that contribute to the “energy footprint” of a process. So, it’s important to look at optimizing the overall energy costs of a melting shop. Many foundries will watch Btu/lb. of metal melted, but not always the amount of metal melted to ship one good quality casting. Poor yields or scrapped products mean melting the same metal several times, an unnecessary energy cost ...
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