문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Color streaks/uneven color mixing on products

Processing Machinery color streakcolor mixingcolor masterbatchdispersioncarriermixing

Jetting marks/snake patterns on products

Jetting marks are a sign of improper filling flow pattern

Injection Molding jetting marksnake patterngate sizejettingfilling pattern

Insufficient product gloss

Gloss is influenced by both mold surface quality and process conditions

Molds & Tooling glossmold polishingA1 grademold temperaturereplication rateshrinkage

Product dimensions out of tolerance

Extrusion & Post dimensions out of toleranceshrinkage ratemold temperature fluctuationholding pressuretolerance

Flash and burrs on products

Flash reflects the matching problem between the clamping system and injection pressure

Injection Molding flashburrclamping forceinjection pressureparting linemold closing

Sink marks and depressions on products

Molds & Tooling sink markdepressionholding pressuregate solidificationwall thicknessshrinkage compensation

Nozzle drooling

Nozzle drooling affects product weight consistency and production stability

Injection Molding droolingnozzlemelt viscosityself-locking nozzleratio

Black spots and color patches on products

Processing Machinery black spotdegradationresidence timepurgingdead zonecarbonization

Pockmarks/pinholes on product surface

Surface pinhole defects originate from insufficient dispersion and gas entrainment

Material Analysis pockmarkpinholedispersiongas entrainmentholding pressureadditive

Product warpage deformation

Extrusion & Post warpageshrinkage ratecooling uniformityfilleranisotropy

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