Molds & Tooling
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Insufficient Roundness of CMC
Fenómeno do problema
Roundness deviation of CMC circular products >0.3mm
Análise das causas
Uneven cooling causes different shrinkage in each direction; gate position causes local overfilling; demolding force is asymmetric
Solução
1)Annular uniform cooling to ensure consistent shrinkage in all directions; 2)Symmetric gate position arrangement; 3)Uniform ejection to avoid deformation
Conclusão principal
Insufficient roundness is caused by uneven cooling; annular cooling is the key
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