Material Drying
7 مشاهدة
PA6 Product Poor Surface Gloss
ظاهرة المشكلة
The surface was dull and not bright, failing to meet expectations.
تحليل الأسباب
Low mold temperature and fast front cooling; or moisture silver streaks affecting gloss; insufficient surface replication; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
الحل
①Appropriately increase mold temperature to improve the melt's replication and fit to the cavity surface;②strengthen drying and verify that the moisture content meets the standard with a moisture measurement method;③increase injection speed;④polish the cavity;⑤stabilize the material temperature curve to avoid quality drift caused by temperature fluctuation.
الخلاصة الأساسية
PA6 gloss = 'mold temperature + drying': mold temperature manages replication, drying manages surface state; moisture will drag down gloss, and drying is the prerequisite for gloss; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence.
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