Processing Machinery
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PVDF Product Dimension Management
Problem Phenomenon
Dimensional deviation.
Cause Analysis
PVDF has large shrinkage requiring precise compensation; process stability is the prerequisite.; 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
Solution
①Measured shrinkage compensation; ②stable process; ③inspection after aging; ④SPC monitoring.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Dimension management relies on measurement and stability.; 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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