Molds & Tooling
5 مشاهدة
PMMA Mold Temperature and Molecular Weight
ظاهرة المشكلة
The same grade of PMMA produced at different mold temperatures has different impact strength
تحليل الأسباب
Mold temperature affects surface orientation and internal stress state, indirectly affecting mechanical performance; 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
الحل
Lock mold temperature for mechanical performance parts; verify strength according to a fixed process; record mold temperature between batches; 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
الخلاصة الأساسية
Mechanical consistency relies on locking processes such as mold temperature; 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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