Processing Machinery
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PMMA Toy Transparent Parts
Fenómeno do problema
Toy transparent parts shatter when dropped, producing sharp edges
Análise das causas
PMMA is very brittle; shattering when dropped produces dangerous sharp edges, failing toy safety; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
Switch toy transparent parts to PC or impact-modified PMMA; thicken the structure and round corners; 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
Brittle materials are prohibited for children's toy transparent parts; 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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