Processing Machinery
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PA12 Glass Fiber Reinforced Warpage
Problem Phenomenon
Directional warpage of reinforced products.
Cause Analysis
Anisotropic shrinkage from fiber orientation; superimposed by PA12 crystallization.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Optimize gate for uniform orientation; ②uniform mold temperature; ③multi-point gates; ④low-warpage grade.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The core of reinforced warpage is orientation management.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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