Problem & Solution

Practical answers to common plastic material challenges

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PMMA Injection Nozzle Problem

Nozzle = precise temperature.

Injection Molding PMMA; nozzle; drooling; temperature

PMMA Injection Product Weld Line Whitening

White line = cold flow front.

Injection Molding PMMA; weld line; whitening; venting

PMMA Injection Cycle Too Long

Cycle = cooling efficiency.

Injection Molding PMMA; cycle; cooling; water channel

PMMA Injection Multi-Cavity Imbalance

Multi-cavity = balance.

Injection Molding PMMA; multi-cavity; runner; cooling

PMMA Injection Sticking to Mold (Vacuum Adsorption)

Vacuum adsorption = solved by air intake.

Injection Molding PMMA; mold sticking; vacuum adsorption; ejection

PMMA Injection Molded Product Short Shot—Venting Type

Fixed-point short shot = venting.

Injection Molding PMMA; short shot; venting; short shot method

PMMA Optical Part Birefringence

Rainbow patterns = stress optical image.

Injection Molding PMMA; birefringence; rainbow patterns; stress

PMMA Injection Uneven Melt Temperature

Temperature uniformity = transparency uniformity.

Injection Molding PMMA; melt temperature; hot runner; uniformity

PMMA Injection Black Specks

Transparent part black specks = zero tolerance.

Injection Molding PMMA; black specks; carbonization; dead corners

PMMA Flash

Flash = pressure and clamping.

Injection Molding PMMA; flash; injection pressure; clamping

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