Molds & Tooling
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Elliptical Deformation of CMC Products
Fenómeno do problema
Out-of-roundness of CMC circular products after demolding >1.03
Análise das causas
Demolding force is asymmetric and the product deforms under lateral force; cooling is uneven and shrinkage differs in each direction
Solução
1)Uniform ejection design with 8-point ejection to avoid lateral force; 2)Annular uniform cooling; 3)Extend cooling time for full setting
Conclusão principal
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is the key
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