Processing Machinery
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Glass Fiber Reinforced PS Products
Problem Phenomenon
Floating fibers and warpage on reinforced PS products.
Cause Analysis
Glass fiber orientation causes anisotropy; insufficient surface coverage causes floating fibers.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solution
①Increase temperature to improve coverage; ②Optimize gates to even out orientation; ③Increase speed; ④Select low-warpage grades.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The management points of reinforced PS are similar to PP; orientation and coverage are the core.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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