Injection Molding
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PPSU insert molding
Problem Phenomenon
PPSU metal inserts; thermal expansion and bonding strength.
Cause Analysis
PPSU insert thermal expansion difference; preheating needs; interface bonding; stress management; long-term performance.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Insert preheating; ②interface design; ③stress control; ④strength testing; ⑤long-term verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPSU inserts are composite structures; thermal management is key; testing ensures reliability.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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