Extrusion & Post
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Product warpage deformation
Fenómeno do problema
The product bends, twists or deforms in a dish shape, with dimensions exceeding drawing tolerances
Análise das causas
The shrinkage rate differences of each component are large and shrinkage directions are inconsistent (anisotropy); cooling water channel design is unreasonable, causing uneven cooling; ejection temperature is too high
Solução
Optimize the mold cooling system for uniform cooling; adjust component proportions or add mineral fillers to reduce shrinkage differences; extend cooling time by 30-50%
Conclusão principal
The root cause of warpage is the superposition of anisotropic shrinkage and uneven cooling
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