Molds & Tooling
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LCP Product Trapped Gas Burnt
Problem Phenomenon
End burnt marks.
Cause Analysis
LCP fills extremely fast, making trapped gas problems more prominent when venting is poor; burning is faster under high-temperature melt.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Open vent grooves at the ends; ②control filling speed; ③clean vent grooves; ④optimize gate position.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LCP high-speed filling has extremely high venting requirements; venting design must be sufficient.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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