Processing Machinery
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PVC Stabilizer Failure
Fenómeno del problema
The PVC processing window narrowed after changing the stabilizer supplier
Análisis de la causa
Different stabilizer systems have different efficiencies, and the formulation was not re-verified; 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
Solución
Verify the new stabilizer by thermal stability testing; recalibrate the processing window; 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
Conclusión clave
Changing the stabilizer requires re-verification of the processing window; 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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