![]() ![]() This core, called the thin waist core, represents some of the biggest challenges for Usiminas core production: its length (920 mm), substantial changes in the sand flow direction during blowing, the need to fill certain parts of the core through counter-flow and big variations in the cross section within the core.įirst trials showed problems with the process, which led to a complete collapse of the lower part of the core. ![]() The main goal was to optimize the process conditions for the existing tooling layout. The first project on which this software was utilized was already in progress at that time. ![]() The bottom of the core collapsed due to a lack of strength.īrazilian steel giant Usiminas recently introduced the new foundry core making simulation software MAGMASOFT® as part of their strategy to establish robust designs and processes for their core production line. ![]()
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