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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

11636 질문
Q
PMMA Thick-Wall Part Internal Bubbles/Voids
A
Thick-wall bubbles = two divisions: water and vacuum.
Material Drying PMMA; thick wall; bubbles; vacuum bubbles; holding pressure
Q
PMMA Surface Scratches
A
Scratches = full-chain protection from demolding to packaging.
Molds & Tooling PMMA; scratches; draft angle; ejector pins; packaging
Q
PMMA Mold Sticking
A
Transparent part mold sticking = double damage to appearance and structure.
Molds & Tooling PMMA; mold sticking; draft angle; polishing; holding pressure
Q
PMMA Ejector Whitening
A
Ejector whitening = the force alarm of a brittle material.
Molds & Tooling PMMA; ejector whitening; ejection; draft angle; cooling
Q
PMMA Flash
A
Flash = pressure and clamping.
Injection Molding PMMA; flash; injection pressure; clamping
Q
PMMA Burnt
A
Burnt = venting + temperature.
Material Analysis PMMA; burnt; venting; diesel effect; melt temperature
Q
PMMA Sink Marks
A
PMMA sink marks rely on structure, hard pressure trades for delayed cracking.
Molding Process PMMA; sink marks; wall thickness; holding pressure; material reduction
Q
PMMA Short Shot
A
PMMA short shot = the pressure account of high viscosity.
Molds & Tooling PMMA; short shot; viscosity; injection pressure; mold temperature
Q
PMMA Weld Lines
A
Weld lines = position design first.
Molds & Tooling PMMA; weld lines; venting; gate; merging
Q
PMMA Flow Marks
A
Transparent part flow marks = front problems with nowhere to hide.
Molds & Tooling PMMA; flow marks; mold temperature; front; gate
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