Material Drying
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LCP Material Storage, Transportation and Batch Management
Problem Phenomenon
【Problem Phenomenon】Product performance fluctuates under the same process for different LCP batches, and traceability is difficult
Cause Analysis
Differences in molecular weight distribution between batches of high-temperature engineering plastics affect flow and crystallization behavior; moisture exposure or expiration during storage and transportation also changes processability; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
Quick-check melt index and post-drying moisture content of incoming batches; first-in-first-out and control the inventory period; reserve batch difference margin in the process fine-tuning window; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LCP batch management focuses on incoming quick inspection and first-in-first-out; the process reserves fine-tuning margin; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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