Processing Machinery
3 조회수
PVDF Product Black Specks
문제 현상
Black specks in the product.
원인 분석
Decomposed material carbonizes and falls off; material retained at dead spots is the source.; 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 materials, and it should be confirmed first during troubleshooting
해결 방법
①Thorough cleaning; ②control temperature to prevent decomposition; ③regular disassembly inspection; ④shorten residence.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes, so as to locate effective measures
핵심 요약
Black specks are related to PVDF decomposition; temperature control and machine cleaning are equally emphasized.; After confirming effectiveness, fix 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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