Molds & Tooling
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PARA Warpage Simulation Application
Problem Phenomenon
PARA warpage problem simulation analysis is inaccurate; deviation between fiber orientation model and reality.
Cause Analysis
Fiber orientation prediction in PARA warpage simulation; differential shrinkage and anisotropy; mold deformation and corner effect not fully included; model limitations.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solution
①Compare simulation results with reality for calibration; ②Consider additional factors such as corner effect; ③Multi-scheme simulation comparison; ④Test verification.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PARA warpage simulation must recognize model limitations; actual calibration improves accuracy; test verification is the final criterion.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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