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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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Bamboo-node pattern/melt fracture appearing on the surface of polyolefin plastomer extruded products

Melt fracture is flow instability caused by the extrusion speed exceeding the critical value, and it is necessary to reduce the speed, raise the temperature, and optimize the die design.

Extrusion & Post melt fracturebamboo-node patterncritical shear ratedie temperatureextrusion speed

3 görüntüleme

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Gel particles/gel appearing in polyolefin plastomer films (Variant: Enhanced Measures)

Gel particles are caused by insufficient plasticization or raw material quality problems, and need to be solved from temperature control and raw material quality. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post gel particlesgelplasticization temperaturescrew mixingscreen

3 görüntüleme

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Ovality of polyolefin plastomer pipes exceeding the standard (Variant: Enhanced Measures)

Excessive ovality is caused by uneven cooling or external force deformation, and needs to be solved from cooling uniformity and pipe storage. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post ovalityuniform coolingsizing sleevehauling clampingpipe storage

3 görüntüleme

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Bending deformation of polyolefin plastomer extruded pipes (Variant: Enhanced Measures)

Pipe bending is caused by non-uniform cooling or hauling eccentricity, and needs to be solved from cooling uniformity and equipment alignment. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post pipe bendinguneven coolinghauling alignmentuniform wall thicknessstraightness

3 görüntüleme

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Uneven thickness of polyolefin plastomer cast films (Variant: Enhanced Measures)

Uneven cast film thickness is caused by uneven die gap or temperature, 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

3 görüntüleme

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Wrinkles appearing in polyolefin plastomer blown films (Variant: Enhanced Measures)

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

Extrusion & Post film wrinklesuneven thicknesshauling rollerherringbone platecooling line

3 görüntüleme

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Die marks/lines appearing on polyolefin plastomer extruded products (Variant: Enhanced Measures)

Die marks are caused by damage to the die inner wall or impurities, and the die condition needs to be regularly cleaned and checked. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post die marksdie scratchesimpurity cleaningflow channel designscreen

3 görüntüleme

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Polyolefin plastomer film blocking/poor opening property (Variant: Enhanced Measures)

Film blocking is caused by surface tension and temperature, and needs to be solved by adding anti-blocking agents and controlling winding conditions. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post film blockinganti-blocking agentwinding temperaturewinding tensionslip agent

3 görüntüleme

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Uneven thickness of polyolefin plastomer blown films (Variant: Enhanced Measures)

Uneven film thickness is caused by uneven die gap, temperature, or cooling, 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 coolinghauling stability

2 görüntüleme

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Poor transparency of polyolefin plastomer blown films (Variant: Enhanced Measures)

Poor transparency is caused by high crystallinity or impurities, and needs to be improved by raising the temperature, speeding up cooling, and selecting suitable materials. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post poor transparencycrystallinitycooling ratenucleating agenthaze

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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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