Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

LDPE Film Energy Consumption Management

A

Energy consumption management relies on data-based monitoring; IoT means can quickly locate waste points.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; energy consumption; monitoring; optimization; cost

Q

LDPE Film Ultra-thin Production Film Breakage

A

Ultra-thin film requires systematic upgrading of material and process; single-item adjustment is difficult to work.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; ultra-thin; film breakage; nucleating agent; gradient cooling

Q

LDPE Film Bubble Diameter-to-Height Ratio

A

The bubble shape ratio is the basic constraint of process geometry; a reasonable ratio ensures space for cooling and stretching.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; bubble; diameter-to-height ratio; bubble shape; adjustment

Q

LDPE Film Draw Ratio Setting

A

The draw ratio is the main control parameter for longitudinal performance; measured verification is more reliable than pure calculation.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; draw ratio; stretching; thickness; strength

Q

LDPE Film Difficult Film Threading

A

Film threading is the key operation at startup; slow start and steady transition can reduce startup waste.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; film threading; startup; operation; stability

Q

LDPE Film Strain Hardening Fluctuation

A

Strain hardening is instability at the rheological level; matching the formulation with the draw ratio is the control key.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE; film; strain hardening; draw ratio; formulation; rheology

Q

LDPE Film Bubble Sagging Wrinkles

A

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

Q

LDPE Film Bubble Breathing

A

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

Q

LDPE Film Winding Tension Out of Control

A

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

Q

LDPE Film Corona Decay

A

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

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