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Cooling System Efficiency Decline of Polypropylene Extruder

The decline in cooling efficiency is caused by insufficient water volume or excessive water temperature; the cooling system needs to be improved and the water temperature controlled.

Production & Quality cooling efficiencycooling water flowcooling water temperaturewater channel scalingcooling water tank

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Sizing Device Failure of Polypropylene Extruder

Sizing device failure needs to be solved from three aspects: the vacuum system, the cooling system, and mold precision.

Molding Process sizing devicevacuum degreesizing sleeve wearcooling watermold concentricity

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Unreasonable Die Head Flow Channel Design of Polypropylene Extruder

The die head flow channel design needs to ensure uniform melt distribution and no material retention; the die head needs to be redesigned when necessary.

Production & Quality die head flow channeluniform flow speedland sectionflow channel dead cornertemperature uniformity

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Ovality of Polypropylene Pipe Exceeding the Standard

Excessive ovality is caused by uneven cooling or external force deformation, and needs to be solved from cooling uniformity and pipe storage.

Extrusion & Post ovalityuniform coolingsizing sleevehaul-off clampingpipe storage

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Excessively Thin Wall Thickness at the Mold Parting Line of Polypropylene Blow-Molded Products

The thin wall at the parting line is caused by parison squeezing or uneven blowing, and the parison wall thickness distribution and blowing process need to be optimized.

Blow Molding parting lineexcessively thin wall thicknessblow-up ratioparison positionblowing pressure

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Mechanical Properties of Polypropylene Extruded Products Not Up to Standard

Mechanical properties not up to standard are caused by material degradation or poor processing quality, and need to be solved from temperature control and plasticization quality.

Material Analysis mechanical propertiesmaterial degradationplasticization qualitycrystallinityregrind ratio

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Excessive Gel/Gel Particles in Polypropylene Extruded Products

Gel is caused by insufficient plasticization or raw material quality problems, and needs to be solved from temperature control, screw design, and raw material selection.

Processing Machinery gelgel particleplasticizing temperaturescrew mixingfilter screen mesh

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Bending Deformation of Polypropylene Extruded Pipe

Pipe bending is caused by non-uniform cooling or haul-off eccentricity, and needs to be solved from cooling uniformity and equipment alignment.

Extrusion & Post pipe bendinguneven coolinghaul-off alignmentuniform wall thicknessstraightness

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Uneven Thickness of Polypropylene Cast Film

Uneven cast film thickness is caused by uneven die gap or temperature, and needs to be solved from mold precision and temperature uniformity.

Extrusion & Post cast filmuneven thicknessT-dielip gapair knife

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Pressure Test Failure of Polypropylene Pipe

Pressure test failure is caused by insufficient wall thickness, material degradation, or internal defects, and needs to be systematically solved from process and material quality.

Processing Machinery pressure testpipe wall thicknessmaterial degradationcrystallinityplasticization quality

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Kategoriler

Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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