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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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LDPE Film Bubble Sagging Wrinkles

Bubble sagging is a precursor of instability; timely parameter adjustment can prevent it from evolving into bubble breakage and shutdown.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; bubble sagging; wrinkle; blow-up ratio; haul-off

15 görüntüleme

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LDPE Film Bubble Breathing

Bubble breathing reflects the dynamic imbalance between internal pressure and cooling; stabilizing the two inputs of air and material calms it down.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; bubble breathing; internal pressure; cooling; air volume

15 görüntüleme

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LDPE Film Winding Tension Out of Control

Winding tension must be dynamically adjusted with roll diameter; reasonable taper curve setting is the key to roll quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; winding; tension; taper; chrysanthemum pattern

15 görüntüleme

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LDPE Film Corona Decay

Corona aging is a common-sense problem in film processing; treating right before use or re-treating online is a safe practice.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; corona; decay; dyne value; slip agent

15 görüntüleme

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LDPE Film Bubble Low-temperature Sagging

Frost line position is the result of the balance between cooling and output; when it exceeds the limit, choose either reducing output or increasing cooling.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; frost line; cooling; internal cooling; extrusion output

15 görüntüleme

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LDPE Film Unstable Melt Pressure and Thickness Fluctuation

Pressure stability is the prerequisite for thickness stability; melt pressure monitoring is the most direct stability indicator.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as...

Extrusion & Post LDPE; film; melt pressure; fluctuation; thickness; melt pump

15 görüntüleme

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LDPE Film Die Cavity Debris Streaks

Fixed-position streaks are the fingerprint of a local die cavity problem; establishing a regular cleaning system can prevent recurrence.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling LDPE; film; streak; die cavity; cleaning; hang-up material

16 görüntüleme

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LDPE Film Longitudinal Thickness Fluctuation

The periodic characteristics of longitudinal fluctuation correspond to specific equipment components; back-tracing by period is the fastest locating method.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; longitudinal thickness; fluctuation; motor; frost line

15 görüntüleme

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LDPE Film Hazy Water Marks

Hazy water marks are the apparent signal of plasticizing and moisture problems; these two checks can quickly locate the cause.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Material Drying LDPE; film; water mark; plasticizing; moisture exposure; temperature

16 görüntüleme

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LDPE Film Surface Roughness

Investigate surface roughness from three directions: die, temperature, and raw material; a frosted-glass appearance mostly indicates a melt fracture tendency.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; surface roughness; die; melt fracture; temperature

16 görüntüleme

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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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