With tighter customer requirements and new challenges in an ever-changing industrial landscape, many foundries have had to utilize new technologies in creative ways to improve their process quality, cost, and efficiency to compete in the global economy.
Properly filtering iron castings involves utilizing the most optimally engineered filter print and gating system designs to ensure delivery of the cleanest and least turbulent metal to the mold cavity. In 2017, the author co-wrote an AFS paper that documented qualitative analyses of filter print designs entitled “Evaluating Iron Filter Print Designs – 30 Years Later”1. That paper utilized the most advanced fluid flow technology to assess filter print designs, and to recommend best practice application techniques and methodology to the iron foundry industry. A follow-on study was undertaken to couple quantitative analyses with the qualitative analyses to ensure that the best filter print designs were being recommended. Results from the quantitative analyses shown in this paper support the recommendations from 2017 and provide further insight on best practice filter print designs.
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