Processing Machinery
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LCP Product Material Change Cleaning
Problem Phenomenon
Contamination problems after material change.
Cause Analysis
Residual material from LCP high-temperature processing easily carbonizes; compatibility with other materials is poor.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Thorough cleaning; ②purge with high-temperature cleaning material; ③verify the first article; ④record the process.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
Material change cleaning is the key to LCP contamination prevention.; 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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