Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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CEF machine cleaning difficult

Processing Machinery CEFmachine cleaning difficultadhesionPE flushingspecial cleaning material

CEF material changeover residue

Processing Machinery CEFmaterial changeover residuecleaning materialscrew disassemblydead corner cleaning

Longitudinal stripes or scratches appear on the outer surface of extruded pipe

Pipe surface stripes need to be addressed from die cleaning and temperature stability

Processing Machinery pipe stripesdie cleaningtemperature

Incomplete cleaning during material/color change causes mixing or color difference

Material/color change requires full cleaning and purging

Processing Machinery material changecolor changecleaningpurging

Poor mixing affects product performance and appearance consistency

Mixing requires full dispersion and time control

Processing Machinery extrusion mixingdispersionformulationmixing time

Product has burning, poor plasticization, or unstable color

Screw speed needs to match back pressure to avoid excessive shear

Processing Machinery screw speedshearback pressureplasticization

Plasticization efficiency decreases after screw wear, product quality fluctuates

Screw wear requires regular checks and timely replacement

Processing Machinery screw wearplasticization efficiencycheck ringgap

Mixing temperature, time, and equipment selection affect modification effect

Modification process needs to be adjusted according to formulation characteristics

Processing Machinery modification processmixingdispersiontemperature

Cellulose acetate butyrate has poor thermal stability during processing

Thermal stability needs to be addressed from antioxidants and temperature control

Processing Machinery thermal stabilityantioxidantdegradationtemperature

Screw parameters not matching the material affect processing quality

The screw needs to match the material melting characteristics

Processing Machinery screwcompression ratioL/D ratioplasticization

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