Processing Machinery
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Supplier Management of PLA Products
Problem Phenomenon
Batch quality fluctuations.
Cause Analysis
PLA suppliers vary greatly in process level; batch consistency is a challenge.; 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 literature and should be confirmed first during troubleshooting
Solution
①Fix qualified suppliers; ②Incoming inspection of molecular weight; ③Batch traceability; ④Technical agreement stipulations.; After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The PLA supply chain requires stricter management.; 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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