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11636 soru
Q
Cooling system efficiency decline of low density polyethylene extruder
A
Cooling efficiency decline is caused by insufficient water volume or excessive water temperature; the cooling system needs improvement and water temperature control.
Production & Quality cooling efficiencycooling water flowcooling water temperaturewater channel scalingcooling water tank
16 görüntüleme
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Q
Sizing device failure of low density polyethylene extruder
A
Sizing device failure needs to be solved from three aspects: vacuum system, cooling system, and mold accuracy.
Molding Process sizing devicevacuum degreesizing sleeve wearcooling watermold concentricity
16 görüntüleme
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Q
Unreasonable die head flow channel design of low density polyethylene extruder
A
Die head flow channel design needs to ensure uniform melt distribution and no stagnation; redesign the die head when necessary.
Production & Quality die head flow channeluniform flow speedlandflow channel dead cornertemperature uniformity
16 görüntüleme
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Q
Ovality of low density polyethylene pipes exceeding standard
A
Q
Mechanical properties of low density polyethylene extruded products not up to standard
A
Substandard mechanical properties are caused by material degradation or poor processing quality; they need to be solved from temperature control and plasticizing quality.
Material Analysis mechanical propertiesmaterial degradationplasticizing qualitycrystallinityregrind ratio
16 görüntüleme
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Q
Excessive gels/gel particles in low density polyethylene extruded products
Q
Bending deformation of low density polyethylene extruded pipes
A
Pipe bending is caused by non-uniform cooling or haul-off eccentricity; it needs to be solved from cooling uniformity and equipment alignment.
Extrusion & Post pipe bendinguneven coolinghaul-off alignmentuniform wall thicknessstraightness
10 görüntüleme
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Q
Uneven thickness of low density polyethylene cast film
Q
Wrinkles in low density polyethylene blown film
Q
Die marks/lines on low density polyethylene extruded products
A
Die marks are caused by die inner wall damage or impurities; the die condition needs regular cleaning and inspection.
Extrusion & Post die marksdie scratchesimpurity cleaningflow channel designfilter screen
10 görüntüleme
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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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