المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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PMMA Thick-Wall Part Internal Bubbles/Voids

Thick-wall bubbles = two divisions: water and vacuum.

Material Drying PMMA; thick wall; bubbles; vacuum bubbles; holding pressure

PMMA Surface Scratches

Scratches = full-chain protection from demolding to packaging.

Molds & Tooling PMMA; scratches; draft angle; ejector pins; packaging

PMMA Mold Sticking

Transparent part mold sticking = double damage to appearance and structure.

Molds & Tooling PMMA; mold sticking; draft angle; polishing; holding pressure

PMMA Ejector Whitening

Ejector whitening = the force alarm of a brittle material.

Molds & Tooling PMMA; ejector whitening; ejection; draft angle; cooling

PMMA Flash

Flash = pressure and clamping.

Injection Molding PMMA; flash; injection pressure; clamping

PMMA Burnt

Burnt = venting + temperature.

Material Analysis PMMA; burnt; venting; diesel effect; melt temperature

PMMA Sink Marks

PMMA sink marks rely on structure, hard pressure trades for delayed cracking.

Molding Process PMMA; sink marks; wall thickness; holding pressure; material reduction

PMMA Short Shot

PMMA short shot = the pressure account of high viscosity.

Molds & Tooling PMMA; short shot; viscosity; injection pressure; mold temperature

PMMA Weld Lines

Weld lines = position design first.

Molds & Tooling PMMA; weld lines; venting; gate; merging

PMMA Flow Marks

Transparent part flow marks = front problems with nowhere to hide.

Molds & Tooling PMMA; flow marks; mold temperature; front; gate

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