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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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HDPE film poor opening

Opening is controlled by three controls: additives + tension + temperature.

Extrusion & Post HDPE; film; opening; blocking; slip agent

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HDPE blown film thickness deviation

Transverse thickness goes back to the die lip and air ring.

Extrusion & Post HDPE; blown film; thickness deviation; die lip; air ring

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HDPE blown film bubble instability

Stable bubble = stable extrusion + uniform air ring + quiet environment.

Extrusion & Post HDPE; blown film; bubble instability; air ring; extrusion fluctuation

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HDPE film gel (fisheye)

Plasticization of high molecular weight material is the foundation of gel prevention and control.

Extrusion & Post HDPE; blown film; gel; fisheye; plasticization

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HDPE extrusion screw slipping

For discharge pulsation, first check the feed section temperature and feeding.

Extrusion & Post HDPE; screw slipping; feed section; bridging; plasticization fluctuation

1 görüntüleme

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HDPE pipe outer surface roughness

Surface roughness: check temperature, raw material, and cleanliness.

Extrusion & Post HDPE; pipe; surface roughness; temperature; regrind

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HDPE pipe ovality out of tolerance

Ovality = a synchronization problem of sizing + cooling + haul-off.

Extrusion & Post HDPE; pipe; ovality; vacuum sizing; haul-off

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EVA film printing adhesion

Pre-treatment before EVA printing is indispensable; the dyne value is the release basis.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems i...

Extrusion & Post EVA; film; printing; adhesion; corona; dyne value

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EVA cable compound extrusion surface

The surface quality of cable compound relies on plasticization, filtration, and thermal management; cleaning dead corners is the focus.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; cable compound; extrusion; surface; gel; plasticization

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EVA film blocking

The blocking tendency of EVA film is stronger than that of PE; anti-blocking agent and cooling are the main means.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post EVA; film; blocking; anti-blocking agent; cooling; tension

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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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