Browse Publications Technical Papers 2003-01-0826

Relation Between Aluminum Die-Casting Conditions and Dimensional Stability 2003-01-0826

High dimensional accuracy of die-cast part enables net-shape forming or machining reduction. That is one of the strategies to get sharp cost cutting in any aluminum die-casting applications, including engine and power train parts of automobile. However, it had been difficult to specify the key technology for dimensional stability. This project has digitized relation between manufacturing conditions and dimensional stability by a dynamic analysis, based on transferability theory of Quality Engineering1). The most important factor has been die-cast part's temperature at ejection, taking error of mass production in account. If we kept the temperature constant, we could die-cast a part with equivalent accuracy to a die.


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