Problem & Solution

Q

Metallocene linear low density polyethylene MLLDPE excessive gel/gel particles（Variant: Startup Commissioning Scenario）

A

MLLDPE gel particles are caused by insufficient plasticization, requiring increased processing temperature and strengthened filtration.Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery MLLDPEgel particlesplasticizing temperaturefilter screenscrew mixing

Q

Metallocene linear low density polyethylene cast film uneven thickness（Variant: Startup Commissioning Scenario）

A

Cast film thickness unevenness is caused by die gap or temperature unevenness, and needs to be solved from mold precision and temperature uniformity.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cast filmuneven thicknessT-dielip gapair knife

Q

Metallocene linear low density polyethylene blown film wrinkles（Variant: Color/Material Change Scenario）

A

Wrinkles are caused by uneven thickness or unbalanced hauling, and need to be solved from thickness control, hauling and collapsing frame adjustment.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post film wrinklesuneven thicknesshaul-off rollscollapsing framecooling line

Q

Metallocene linear low density polyethylene metallocene linear low density polyethylene insufficient equipment maintenance during processing（Variant: Mass Production Scenario）

A

Equipment maintenance is the foundation of stable production, requiring the establishment of a standardized periodic maintenance system and recording system.Targeted preventive measures need to be taken in different production scenarios.

Molds & Tooling equipment maintenancepreventive maintenancescrew clearancemold maintenancesensor calibration

Q

Metallocene linear low density polyethylene blown film uneven thickness（Variant: Mass Production Scenario）

A

Film thickness unevenness is caused by die gap, temperature or cooling unevenness, and needs to be solved from mold precision and process stability.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post film thicknessdie gaptemperature uniformityair ring coolinghaul-off stability

Q

Metallocene linear low density polyethylene MLLDPE excessive gel/gel particles（Variant: Strengthened Measures）

A

MLLDPE gel particles are caused by insufficient plasticization, requiring increased processing temperature and strengthened filtration.Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery MLLDPEgel particlesplasticizing temperaturefilter screenscrew mixing

Q

Metallocene linear low density polyethylene cast film uneven thickness（Variant: Strengthened Measures）

A

Cast film thickness unevenness is caused by die gap or temperature unevenness, and needs to be solved from mold precision and temperature uniformity.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cast filmuneven thicknessT-dielip gapair knife

Q

Metallocene linear low density polyethylene metallocene linear low density polyethylene insufficient equipment maintenance during processing（Variant: Color/Material Change Scenario）

A

Equipment maintenance is the foundation of stable production, requiring the establishment of a standardized periodic maintenance system and recording system.Targeted preventive measures need to be taken in different production scenarios.

Molds & Tooling equipment maintenancepreventive maintenancescrew clearancemold maintenancesensor calibration

Q

Metallocene linear low density polyethylene blown film uneven thickness（Variant: Color/Material Change Scenario）

A

Film thickness unevenness is caused by die gap, temperature or cooling unevenness, and needs to be solved from mold precision and process stability.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post film thicknessdie gaptemperature uniformityair ring coolinghaul-off stability

Q

Metallocene linear low density polyethylene blown film wrinkles（Variant: Seasonal Change Scenario）

A

Wrinkles are caused by uneven thickness or unbalanced hauling, and need to be solved from thickness control, hauling and collapsing frame adjustment.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post film wrinklesuneven thicknesshaul-off rollscollapsing framecooling line

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