Extrusion & Post
6 مشاهدة
PCABS Annealing Deformation Recurrence
ظاهرة المشكلة
[Problem Phenomenon] PC/ABS is stable in the short term after annealing, but deformation recurs after storage
تحليل الأسباب
Insufficient annealing temperature and time; amorphous materials have a narrow annealing window; 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 data and should be confirmed first during troubleshooting
الحل
Anneal at heat deflection temperature minus 10~15°C with sufficient holding time; slow cooling; verify storage stability; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
الخلاصة الأساسية
PC/ABS annealing temperature and time must be sufficient, and slow cooling sets the shape; 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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