Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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DSTDP periodic surface ripples

Ripples are caused by unstable injection; equipment overhaul and PID control are key

Injection Molding DSTDPsurface ripplesinjection stabilityequipment overhaulPID control

DSTDP poor plasticization

Processing Machinery DSTDPpoor plasticizationscrew compression ratioshear rateprocessing temperature

DSTDP low flexural modulus

Material Analysis DSTDPflexural modulusrigid fillernucleating agentcrystallinity

DSTDP internal inclusions

Production & Quality DSTDPinclusionsraw material filtrationenvironmental cleanlinessrecycled material sorting

DSTDP hydrolysis aging

Material Drying DSTDPhydrolysis agingpolar groupsanti-hydrolysis stabilizerwaterproof coating

DSTDP large processing smoke

Large smoke is caused by volatiles evaporation; temperature reduction and exhaust are key

Material Analysis DSTDPprocessing smokevolatilesexhaust systemtemperature reduction

DSTDP hardness too low

Molding Process DSTDPhardness too lowrigid fillerplasticizercrystallization control

DSTDP insufficient flatness

Molds & Tooling DSTDPflatnessshrinkage differenceuniform mold temperatureannealing treatment

DSTDP internal unmelted particles

Processing Machinery DSTDPunmelted particlesplasticizing capacityprocessing temperaturescrew mixing

DSTDP internal shrinkage void

Molds & Tooling DSTDPshrinkage voidthick wallholding timegate freezing

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