Injection Molding
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MS Weld Line Management
Problem Phenomenon
MS weld lines become thicker when speed is too slow, speed and temperature balance.
Cause Analysis
MS weld lines become thicker when injection speed is too slow; temperature influence; gate design; venting; appearance management; strength influence.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Appropriately increase speed; ②temperature management; ③gate optimization; ④venting improvement; ⑤appearance and strength balance.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Speed management of MS weld lines is the key to appearance; balance ensures quality; design optimizes position.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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