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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

1439 سؤال
Q
Tiger-skin-like stripes appear on the product surface
A
Tiger-skin stripes require stable injection parameters and mold temperature
Material Drying tiger-skin stripesinjection instabilityspeed control
Q
Warpage deformation needs quantitative measurement and cause analysis
A
Warpage needs quantitative measurement and marking of moisture conditions
Material Drying warpage measurementquantificationmoisture contentPA change
Q
Quality fluctuations in particle size, shape, and moisture during pelletizing
A
Pelletizing requires matched speed and drying
Material Drying pelletizingpellet cuttingdryingparticle quality
Q
Cracking, deformation, or poor coating occurs during secondary processing
A
Post-processing needs to consider material state and compatibility
Material Drying post-processingmachiningcoatingweldingPA brittleness
Q
Mechanical properties, appearance, and dimensions change after aging
A
Long-term aging needs to be addressed from formulation and use environment
Material Drying long-term agingUVantioxidantPA weather resistance
Q
Differences in molecular weight, additive content, etc. between batches affect processing stability
A
Batch differences require incoming inspection and parameter fine-tuning
Material Drying batch differencemolecular weightadditiveincoming inspection
Q
Low-temperature performance changes of PA-type materials require evaluation of applicability
A
PA at low temperature requires impact testing and selection of suitable grades
Material Drying low-temperature performancePA brittlenessimpact testPA12
Q
Product surface has no gloss
A
Surface gloss requires improving the mold surface and increasing the mold temperature
Material Drying poor glossmold temperaturemold polishinginjection speed
Q
Product color inconsistent with the standard color plate
A
Q
Difference between mold flow analysis results and actual products needs optimization
A
Mold flow analysis requires material-specific parameters
Material Drying mold flow analysisviscosity modelcrystallizationverification
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