Material Drying
4 조회수
Product surface has no gloss
문제 현상
The product surface has no gloss, appears matte or dull, and the gloss differs greatly from the standard sample
원인 분석
The mold cavity surface is rough, insufficient polishing
The mold temperature is low (below 40-80°C), the melt front cools quickly and cannot replicate the mold surface
The injection speed is too slow, the melt contact time with the mold is insufficient
The raw material contains moisture, affecting surface quality
The barrel temperature is low, melt fluidity insufficient
해결 방법
Polish the mold cavity to mirror level
Increase the mold temperature to the higher value of 40-80°C
Appropriately increase the injection speed
Fully dry the raw material
Appropriately increase the barrel temperature to the higher value of 170-230°C
핵심 요약
Surface gloss requires improving the mold surface and increasing the mold temperature
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