Processing Machinery
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TPE Material Change Cleaning
Problem Phenomenon
Foreign specks persist for a long time after a TPE material change
Cause Analysis
Residual material is retained in dead corners; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry information and should be confirmed first during troubleshooting
Solution
Purge with cleaning material at material change; empty at shutdown; regular disassembly and cleaning; 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 plus disassembly cleaning; 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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