Injection Molding
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LCP Product Multi-stage Injection
Problem Phenomenon
Speed curve optimization.
Cause Analysis
LCP's fast-solidifying characteristic requires precise speed management; jetting and short shot risks coexist.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Multi-stage injection curve; ②high-speed filling of thin-wall areas; ③deceleration at the end for venting; ④verification and optimization.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LCP speed curves must fully exploit the fast-solidifying characteristic; the balance of high speed and venting is an art.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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