Problem & Solution

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products mechanical properties substandard（Variant: Mass Production Scenario）

A

Substandard mechanical properties are caused by material degradation or poor processing quality, and need to be solved from temperature control and plasticization quality.Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery mechanical propertiesmaterial degradationplasticization qualitycrystallinityregrind ratio

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products excessive gel/gel particles（Variant: Mass Production Scenario）

A

Gels are caused by insufficient plasticization or raw material quality problems, and need 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 particlesplasticizing temperaturescrew mixingfilter screen mesh count

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder cooling system efficiency decline（Variant: Strengthened Measures）

A

The decline in cooling efficiency is caused by insufficient water volume or excessive water temperature, requiring improvement of the cooling system and control of water temperature.Targeted preventive measures need to be taken in different production scenarios.

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

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder sizing device failure（Variant: Strengthened Measures）

A

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

Processing Machinery sizing devicevacuum degreesizing sleeve wearcooling watermold concentricity

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products mechanical properties substandard（Variant: Strengthened Measures）

A

Substandard mechanical properties are caused by material degradation or poor processing quality, and need to be solved from temperature control and plasticization quality.Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery mechanical propertiesmaterial degradationplasticization qualitycrystallinityregrind ratio

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products excessive gel/gel particles（Variant: Strengthened Measures）

A

Gels are caused by insufficient plasticization or raw material quality problems, and need 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 particlesplasticizing temperaturescrew mixingfilter screen mesh count

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder large current fluctuation（Variant: Mass Production Scenario）

A

Current fluctuation is caused by large plasticization 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 impuritiesfilter screen clogging

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder screw wear causing poor plasticization（Variant: Mass Production Scenario）

A

Screw wear causes plasticization efficiency to decline, 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 clearancescrew speed

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder large current fluctuation（Variant: Strengthened Measures）

A

Current fluctuation is caused by large plasticization 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 impuritiesfilter screen clogging

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder screw wear causing poor plasticization（Variant: Strengthened Measures）

A

Screw wear causes plasticization efficiency to decline, 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 clearancescrew speed

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