Molds & Tooling
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PA12 Product Warpage
Fenómeno do problema
The product warps and deforms after demolding, and the deformation mode changes after adjusting the mold temperature.
Análise das causas
PA12 is a crystalline material; low mold temperature or uneven cooling causes inconsistent crystallization shrinkage in various parts; uneven wall thickness aggravates shrinkage differences and causes warpage.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solução
①Increase mold temperature 60~80℃; ②uniform wall thickness design; ③adopt conformal cooling for uniform heat dissipation; ④products can be annealed or conditioned to release stress and stabilize dimensions.
Conclusão principal
PA12 warpage relies on mold temperature and cooling uniformity management; conformal cooling is an effective means for precision parts.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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