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Problem & Solution

Practical answers to common plastic material challenges

1506 questions
Q
Large injection pressure fluctuation in random copolymer polypropylene '2079851475616104452
Q
Unstable screw retraction in random copolymer polypropylene '2079851475616104452
Q
Low tensile strength of random copolymer polypropylene injection molded products
Q
Burnt marks/burn spots appearing in random copolymer polypropylene injection molded products
Q
Coaxiality out of tolerance of random copolymer polypropylene injection molded products
Q
Nozzle clogging in random copolymer polypropylene '2079851475616104452
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Flatness out of tolerance of random copolymer polypropylene injection molded products
Q
Product deformation caused by unbalanced ejection of random copolymer polypropylene injection mold
Q
Large weight fluctuation of random copolymer polypropylene injection molded products
Q
Roundness out of tolerance of random copolymer polypropylene 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
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