Processing Machinery
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PMMA Recycling and Regeneration
Fenómeno do problema
Products reprocessed from PMMA recycled material show obviously degraded performance
Análise das causas
Recycled material has reduced molecular weight and contains impurities, and its reprocessing performance deteriorates; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solução
Downgrade recycled material for non-optical parts; depolymerization to recover monomer is a high-value route; after adjustment, take samples continuously 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
Conclusão principal
Chemical depolymerization is the high-value direction for PMMA recycling; 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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