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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
11636 soru
Q
Random copolymer polypropylene extruded products mechanical properties substandard
A
Substandard mechanical properties are caused by material degradation or poor processing quality, and need to be solved from temperature control and plasticization quality.
Material Analysis mechanical propertiesmaterial degradationplasticization qualitycrystallinityregrind ratio
2 görüntüleme
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Q
Random copolymer polypropylene extruded products excessive gel/gel particles
Q
Random copolymer polypropylene extruded pipe bending deformation
A
Pipe bending is caused by non-uniform cooling or haul-off eccentricity, and needs to be solved from cooling uniformity and equipment alignment.
Extrusion & Post pipe bendinguneven coolinghaul-off alignmentwall thickness uniformitystraightness
2 görüntüleme
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Q
Random copolymer polypropylene extruded products die lines/lines
A
Die lines are caused by die inner wall damage or impurities, requiring regular cleaning and inspection of the die condition.
Extrusion & Post die linesdie scratchesimpurity cleaningrunner designfilter screen
2 görüntüleme
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Q
Random copolymer polypropylene pipe failing pressure test
Q
Excessive shrinkage of random copolymer polypropylene extruded products
A
Excessive shrinkage is caused by high crystallinity or high temperature and needs to be solved by controlling temperature and cooling rate.
Extrusion & Post shrinkage ratecrystallinitymelt temperaturecooling ratehaul-off speed
2 görüntüleme
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Q
Longitudinal retraction rate of random copolymer polypropylene pipes exceeding standard
A
Excessive retraction rate is caused by large internal stress or excessive orientation and needs to be solved from temperature control, cooling rate and haul-off speed.
Extrusion & Post longitudinal retraction rateinternal stresscooling ratehaul-off speedmolecular orientation
2 görüntüleme
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Q
Screw design mismatch of random copolymer polypropylene extruder
A
Screw design needs to match material characteristics and product requirements; customize special screws if necessary.
Processing Machinery screw designcompression ratiolength-to-diameter ratiomixing elementscrew matching
2 görüntüleme
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Q
Performance decline caused by excessive regrind proportion in random copolymer polypropylene
A
Regrind performance decline is the result of thermal history accumulation; the regrind proportion and number of uses need to be strictly controlled.
Material Analysis regrindmolecular weight reductionantioxidantregrind proportionthermal history
2 görüntüleme
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Q
Product defects caused by impurities mixed into random copolymer polypropylene raw material
A
Impurity mixing is solved by strengthening raw material management and equipment cleanliness; complete impurity prevention measures need to be established.
Processing Machinery impuritiesmagnetic rackfiltrationequipment cleanlinessraw material management
2 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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