Injection Molding
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PPSU injection pressure
Problem Phenomenon
PPSU injection pressure setting; high-viscosity filling and stress balance.
Cause Analysis
PPSU high viscosity requires higher injection pressure; pressure and filling; stress freezing; flash risk; multi-stage control.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Pressure according to filling needs; ②stress management; ③multi-stage injection; ④flash monitoring; ⑤optimization and standardization.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPSU injection pressure is filling assurance; balanced management prevents defects; standardization ensures stability.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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