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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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11636 soru
Q
Excessive shrinkage rate of low density polyethylene extruded products
A
Q
Die head pressure fluctuation of low density polyethylene extruder
Q
Rough inner and outer walls of low density polyethylene pipes
A
Rough pipe wall is caused by low mold temperature or poor surface condition; it needs to be solved from temperature control and mold maintenance.
Material Drying rough pipe walldie temperaturemandrel temperaturemold polishingsizing sleeve
8 görüntüleme
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Q
Haul-off speed mismatch of low density polyethylene extruded products
A
Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring haul-off stability.
Extrusion & Post haul-off speedspeed matchinghaul-off slippingclamping forcehaul-off control
10 görüntüleme
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Q
Wide temperature window of low density polyethylene PE raw material causing process parameter optimization difficulty
A
PE temperature window optimization needs to be advanced from two aspects: systematic experiments and experience accumulation.
Processing Machinery temperature optimizationPE gradeDOEprocess parameterstemperature database
9 görüntüleme
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Q
Poor printability of low density polyethylene film
A
Poor printability is caused by low surface energy; ink adhesion needs to be improved by increasing surface tension through corona treatment.
Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension
10 görüntüleme
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Q
Longitudinal reversion of low density polyethylene pipes exceeding standard
A
Excessive reversion is caused by large internal stress or excessive orientation; it needs to be solved from temperature control, cooling rate, and haul-off speed.
Extrusion & Post longitudinal reversioninternal stresscooling ratehaul-off speedmolecular orientation
10 görüntüleme
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Q
Frequent screen change/short filter screen life of low density polyethylene extruder
Q
Insufficient heat seal strength of low density polyethylene film
A
Insufficient heat seal strength is caused by improper temperature, pressure, or time settings; heat seal process parameters need to be optimized.
Material Analysis heat seal strengthheat seal temperatureheat seal pressurefilm thicknessheat seal material
16 görüntüleme
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Q
Unstable output/surging in low density polyethylene extrusion process
A
Unstable output is caused by unstable solids conveying; barrel temperature and feeding system need to be optimized.
Extrusion & Post unstable outputsurgingsolids conveyinghopper bridgingscrew rotation speed
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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