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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

11636 질문
Q
Glass Fibre surface tiger-skin pattern
A
Tiger-skin pattern is caused by injection front instability; multi-stage injection and high mold temperature are key
Injection Molding Glass Fibretiger-skin patterninjection speedmulti-stage injectionmold temperature control
Q
Glass Fibre feeding bridging
A
Bridging is caused by pellet characteristics and hopper design; vibrator and hopper modification are key
Material Drying Glass Fibrefeeding bridgingvibratorhopper designforced feeding
Q
Glass Fibre insufficient flatness
A
Insufficient flatness is caused by shrinkage difference and stress; uniform cooling and annealing are key
Molds & Tooling Glass Fibreflatnessshrinkage differenceuniform mold temperatureannealing treatment
Q
Glass Fibre internal unmelted particles
A
Unmelted particles are caused by insufficient plasticizing; raising temperature and reducing feeding are key
Processing Machinery Glass Fibreunmelted particlesplasticizing capacityprocessing temperaturescrew mixing
Q
Glass Fibre impact strength large fluctuation
A
Impact fluctuation is caused by dispersed phase and crystallization instability; stable processing is key
Molding Process Glass Fibreimpact fluctuationdispersed phase particle sizenucleating agentprocessing stability
Q
Glass Fibre surface obvious color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding Glass Fibrecolor differencecolor masterbatch dispersionpigment orientationtemperature stability
Q
Glass Fibre surface orange peel texture
A
Orange peel texture is caused by rapid cooling and solidification; raising mold temperature and holding pressure are key
Injection Molding Glass Fibreorange peel texturemold temperatureholding pressuresurface solidification
Q
Glass Fibre large creep deformation
A
Large creep is caused by elastomer nature; slight crosslinking and rigid filler are key
Material Analysis Glass Fibrecreepslight crosslinkinghigh molecular weightrigid filler
Q
Glass Fibre severe internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; speed reduction, uniform cooling and annealing are key
Injection Molding Glass Fibreinternal stressorientation stressannealing treatmentuniform cooling
Q
Glass Fibre surface dense pits
A
Pits are caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post Glass Fibresurface pitsimpurity particlesmold repairraw material purity
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