Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Center porosity of large parts

Gate layout and sequential injection design of large parts are the key to success

Molds & Tooling porositylarge partsshrinkage compensation distancesequential valvegate layout

Ejector whitening/ejector deformation of products

Molds & Tooling ejector whiteningejector bulgingdraft angleejector pinrelease agent

Deposits on mold cavity surface

Mold deposits affect product surface quality and mold maintenance cycle

Molds & Tooling mold depositlow-molecular substancesrelease agentmold maintenancecleaning cycle

Insufficient product gloss

Gloss is influenced by both mold surface quality and process conditions

Molds & Tooling glossmold polishingA1 grademold temperaturereplication rateshrinkage

Sink marks and depressions on products

Molds & Tooling sink markdepressionholding pressuregate solidificationwall thicknessshrinkage compensation

Extremely low strength at weld lines

Molds & Tooling weld linemelt temperatureventinggate optimizationmolecular diffusion

High haze of SBC transparent products

SBC transparency needs to be addressed from model selection and phase separation

Molds & Tooling SBChazetransparencyphase separation

Storage cracking/delayed cracking of styrene-acrylonitrile copolymer PS products

PS delayed cracking is caused by the slow release of residual stress.

Molds & Tooling delayed crackingresidual stressannealinguniform wall thicknessmold temperature

Shrinkage rate prediction deviation of styrene-acrylonitrile copolymer products

Molds & Tooling shrinkage ratemold designwall thickness influenceflow directionmold trial verification

Shrinkage rate prediction deviation of polystyrene products

Molds & Tooling shrinkage ratemold designwall thickness effectflow directiontrial mold verification

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