문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Large weight fluctuation of general-purpose polyethylene injection molded products

Injection Molding weight fluctuation non-return ring stable plasticization temperature control metering accuracy

Roundness out of tolerance of general-purpose polyethylene injection molded products

Injection Molding roundness out of tolerance anisotropic shrinkage uniform cooling gate position uniform wall thickness

Mismatch of the melt flow rate of general-purpose polyethylene raw material causing processing difficulties

Injection Molding melt flow rate grade selection incoming material inspection process adjustment raw material mixing

Environmental stress cracking appears in general-purpose polyethylene injection molded products

Injection Molding environmental stress cracking residual stress stress concentration annealing treatment chemical medium

Stress whitening appears near the gate of general-purpose polyethylene injection molded products

Injection Molding stress whitening gate shear molecular orientation injection speed gate size

Dimensions of general-purpose polyethylene injection molded products continue to change after demolding

Injection Molding post-shrinkage crystallinity demolding temperature annealing treatment dimensional stability

General-purpose polyethylene injection molded products surface cracking/microcracks

Injection Molding crackingmicrocracksinternal stressmolecular orientationdraft angle

General-purpose polyethylene injection molded products uneven color/color difference

Injection Molding color differencecolor masterbatch dispersiontemperature stabilityback pressurescrew mixing

General-purpose polyethylene injection molded products underfill/short shot

Injection Molding short shotunderfillinjection pressuremelt flowabilitymold venting

General-purpose polyethylene injection molded products surface flow marks

Injection Molding flow marksinjection speedmold temperaturemelt frontmulti-stage injection

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