Injection Molding
4 görüntüleme
HDPE '2079851475616104452 warpage
Sorun Belirtisi
HDPE injection molded parts warp after ejection; common in drum lids and turnover crates.
Neden Analizi
HDPE has a high shrinkage rate (1.5%~3%) and strong crystallization directionality; uneven cooling and orientation cause differential shrinkage.
Çözüm
①Balance the mold temperature; ②extend cooling; ③lower the holding pressure; ④optimize the gate position; ⑤homogenize the wall thickness.
Temel Çıkarım
HDPE '2079851475616104452 warpage = a cooling balance lesson for high-shrinkage materials.
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