Problema e solução

Q

Mechanical properties of heat-resistant polyethylene extruded products not meeting standard (Variant: mass production scenario)

A

Failure of mechanical properties to meet standards is caused by material degradation or poor processing quality, and needs to be solved from temperature control and plasticizing quality. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery mechanical propertiesmaterial degradationplasticizing qualitycrystallinityregrind ratio

Q

Excessive gel/gel particles in heat-resistant polyethylene extruded products (Variant: mass production scenario)

A

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. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery gelgel particleplasticizing temperaturescrew mixingscreen pack mesh

Q

Decreased cooling system efficiency of heat-resistant polyethylene extruder (Variant: strengthened measures)

A

Decreased cooling efficiency is caused by insufficient water volume or too high water temperature, and the cooling system needs to be improved and water temperature controlled. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery cooling efficiencycooling water flowcooling water temperaturewater circuit scalingcooling water tank

Q

Sizing device failure of heat-resistant polyethylene extruder (Variant: strengthened measures)

A

Sizing device failure needs to be solved from the three aspects of vacuum system, cooling system and mold accuracy. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery sizing devicevacuum degreesizing sleeve wearcooling watermold concentricity

Q

Unreasonable die head flow channel design of heat-resistant polyethylene extruder (Variant: strengthened measures)

A

Die head flow channel design needs to ensure uniform melt distribution and no material stagnation, and the die head should be redesigned when necessary. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery die head flow channeluniform flow velocitysizing sectionflow channel dead cornertemperature uniformity

Q

Mechanical properties of heat-resistant polyethylene extruded products not meeting standard (Variant: strengthened measures)

A

Failure of mechanical properties to meet standards is caused by material degradation or poor processing quality, and needs to be solved from temperature control and plasticizing quality. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery mechanical propertiesmaterial degradationplasticizing qualitycrystallinityregrind ratio

Q

Excessive gel/gel particles in heat-resistant polyethylene extruded products (Variant: strengthened measures)

A

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. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery gelgel particleplasticizing temperaturescrew mixingscreen pack mesh

Q

Large current fluctuation of heat-resistant polyethylene extruder (Variant: mass production scenario)

A

Current fluctuation is caused by large plasticizing resistance or equipment problems, and needs to be solved from temperature control, raw material purity and equipment maintenance. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery current fluctuationscrew torqueplasticizing temperatureraw material impuritiesscreen pack clogging

Q

Poor plasticization caused by screw wear of heat-resistant polyethylene extruder (Variant: mass production scenario)

A

Screw wear leads to decreased plasticizing efficiency, and needs to be solved by selecting wear-resistant materials and regular maintenance. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery screw wearpoor plasticizationwear-resistant materialscrew gapscrew rotation speed

Q

Heat-resistant polyethylene pipe pressure resistance test failure (Variant: strengthened measures)

A

Pressure resistance failure is caused by insufficient wall thickness, material degradation or internal defects, and needs to be systematically solved from process and material quality. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery pressure resistance testpipe wall thicknessmaterial degradationcrystallinityplasticizing quality

Problema e solução

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