Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Compression molding is used to reduce warpage and internal stress but the parameters are set improperly

Compression molding requires precise timing and force control

Injection Molding compression moldingcompression timingwarpage reductioncellulose acetate butyrate

Large shrinkage difference between the melt flow direction and the perpendicular direction

Orientation warpage requires reducing orientation and promoting relaxation

Injection Molding orientation warpageanisotropymolecular orientationannealing

Product partially not filled

Short shot needs to be addressed from pressure, temperature, venting, and gate

Injection Molding material shortageshort shotinjection pressurefluidity

Thin-wall products with wall thickness <1mm have many short shot, warpage and deformation problems

Thin wall requires high-speed injection and high-flowability material

Injection Molding thin-wall injectionhigh-speed fillingflowabilitycellulose acetate butyrate

Thin flash appears at the parting line or moving parts of the product

Flash requires controlling injection pressure, temperature and clamping force

Injection Molding flashburrclamping forcemold accuracy

Gas-assisted injection is used to reduce shrinkage and warpage but parameters are set improperly

Gas assist requires precise timing and pressure control

Injection Molding gas-assisted injectiongas timinggas channel designcellulose acetate butyrate

Irregular deformation of the product after demolding

Injection Molding warpagedeformationuneven shrinkagecooling

Linear marks appear around multiple gates or holes of the product

Injection Molding weld linepoor fusioninjection speedventing

Glass fiber PA requires special process parameters to avoid floating fiber and property fluctuation

Glass fiber PA requires medium speed and high mold temperature

Injection Molding glass fiber PAinjection speedfloating fibermold temperature

Front zone temperature directly affects the temperature and flowability of the melt entering the cavity

Front zone temperature needs stable control near the recommended upper limit

Injection Molding front zone temperaturemelt temperaturethermal stability

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