AFS NEWS
Research Project Identifies What to Measure to Save Energy
Te AFS Energy Committee, in collaboration with Sen-
sor Synergy, has identified four essential metrics to monitor power usage and operational efficiency of induction furnaces following the conclusion of a recent research project, “Iden- tifying, Implementing and Sustaining Energy Savings.” Te results of the AFS-funded and monitored project
were unveiled at the 118th Metalcasting Congress in April. Research work included real-time energy use data collec- tion on a V-process vacuum casting system, measurements in the melt systems at that facility, and measurements in the melt, molding and finishing systems of a nobake ductile iron casting facility. A key finding was that when data is aggregated for extended periods of time, including days, weeks or months, and then categorized into broad operational modes (off, hold, medium and full power), staff, management and en- ergy specialists can better understand current operations and use the metrics as a reference point for ongoing improve- ment projects. Tese numbers provide valuable aggregated insights into induction furnace operations and efficiency. Researchers concluded the following four metrics
were essential to monitor power usage and improve op- erational efficiency: 1. Te fraction of time and energy spent on power levels. 2. Energy cost/ton for charge to tap energy input. 3. Tap-to-tap cycle time for different alloys. 4. Energy cost/ton for charge to tap energy input.
Students Participate in Metalcasting Demonstration
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AFS NEWS
Build Your Brand. Sell More Castings.
AFS Director of Marketing Al Spada helps students at Schaumburg High School, Schaumburg, Ill., create sand molds with the Foundry in a Box during the Project Lead the Way Summer Camp for incoming freshmen.
METALCASTINGDESIGN.COM July 2014 MODERN CASTING | 47
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