Injection Molding
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PESU Insert Molding
Problem Phenomenon
PESU metal inserts, thermal expansion and bonding strength.
Cause Analysis
PESU insert thermal expansion difference; preheating demand; 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
PESU insert is a composite structure; thermal management is the key; testing ensures reliability.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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