Injection Molding
10 مشاهدة
HDPE '2079851475616104452 cycle optimization
ظاهرة المشكلة
To shorten the cycle, the cooling time was reduced, and the deformation of the products after demolding increased
تحليل الأسباب
HDPE cooling time accounts for the bulk of the cycle; when cooling is insufficient, the product ejection temperature is high and deformation occurs in the free shrinkage stage; cycle optimization cannot be at the expense of cooling
الحل
①Cooling time is calculated according to the thickest part of the product; ②cycle optimization is tapped from mold closing, mold opening and ejection time; ③when the deformation exceeds the tolerance, restore the cooling time first; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
The boundary of HDPE cycle optimization is sufficient cooling; tapping potential in other links is safer than compressing cooling; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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