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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

1506 질문
Q
Unstable Screw Retraction in High-Density Polyethylene '2079851475616104452
Q
Low Tensile Strength of High-Density Polyethylene Injection-Molded Products
Q
Burn Marks/Burnt Spots on High-Density Polyethylene Injection-Molded Products
Q
Coaxiality Out of Tolerance of High-Density Polyethylene Injection-Molded Products
Q
Nozzle Blockage in High-Density Polyethylene '2079851475616104452
Q
Flatness Out of Tolerance of High-Density Polyethylene Injection-Molded Products
Q
Product Deformation Caused by Unbalanced Ejection of High-Density Polyethylene Injection Mold
Q
Large Weight Fluctuation of High-Density Polyethylene Injection-Molded Products
Q
Roundness Out of Tolerance of High-Density Polyethylene Injection-Molded Products
A
Roundness out of tolerance is caused by non-uniform shrinkage, and needs to be improved from three aspects: cooling symmetry, gate design, and wall thickness uniformity.
Injection Molding roundness out of toleranceanisotropic shrinkageuniform coolinggate positionuniform wall thickness
Q
Processing Difficulties Caused by Melt Flow Rate Mismatch of High-Density Polyethylene Raw Material
A
MFR mismatch needs to be solved by selecting a suitable grade and adjusting process parameters; the key is to establish an incoming MFR inspection system.
Injection Molding melt flow rategrade selectionincoming inspectionprocess adjustmentraw material mixing
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