Problem & Solution

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） extruded products die lines/lines（Variant: Strengthened Measures）

A

Die lines are caused by die inner wall damage or impurities, requiring regular cleaning and inspection of the die condition.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post die linesdie scratchesimpurity cleaningrunner designfilter screen

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

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder die head pressure fluctuation（Variant: Mass Production Scenario）

A

Die head pressure fluctuation is caused by unstable output or filtration system problems, requiring stabilization of extrusion parameters and maintenance of the filtration system.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post pressure fluctuationfilter screendie head temperaturebreaker plateuniform output

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products haul-off speed mismatch（Variant: Mass Production Scenario）

A

Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring stable hauling.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post haul-off speedspeed matchinghaul-off slippingclamping forcehaul-off control

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder frequent screen change/short filter screen life（Variant: Mass Production Scenario）

A

Frequent filter screen clogging is caused by raw material impurities or improper process, and needs to be solved from raw material management and temperature control.Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery filter screenimpuritiescarbidesbarrel temperaturescreen change frequency

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruder die head pressure fluctuation（Variant: Strengthened Measures）

A

Die head pressure fluctuation is caused by unstable output or filtration system problems, requiring stabilization of extrusion parameters and maintenance of the filtration system.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post pressure fluctuationfilter screendie head temperaturebreaker plateuniform output

Q

Random copolymer polypropylene pipe special material (Nordic standard） pipe inner and outer wall roughness（Variant: Strengthened Measures）

A

Pipe wall roughness is caused by low mold temperature or poor surface condition, and needs to be solved from temperature control and mold maintenance.Targeted preventive measures need to be taken in different production scenarios.

Material Drying pipe wall roughnessdie temperaturemandrel temperaturemold polishingsizing sleeve

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