Processing Machinery
4 görüntüleme
PMMA impact fracture
Sorun Belirtisi
PMMA protective covers shatter and injure people after impact
Neden Analizi
PMMA is highly brittle, its impact resistance is far lower than PC, and there is risk in impact applications; 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
Çözüm
Switch to PC for impact protection applications; add protective mesh to PMMA covers; increase thickness; after adjustment, continuously sample 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
Temel Çıkarım
Impact protection is PC's territory, and PMMA should be avoided; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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