Molding Process
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PA12 Long-flow Thin-wall Part Temperature Strategy
문제 현상
【Problem phenomenon】PA12 long-flow thin-wall parts had short shots at the end and could not be filled within the conventional temperature window
원인 분석
Long-flow low-wall-thickness products are allowed to work at the upper limit of melt temperature (up to 300℃) in exchange for fluidity, especially reinforced grades; but this must be matched with short residence time to prevent degradation
해결 방법
For long-flow thin-wall parts, take the melt temperature at the upper limit of the window up to 300℃ and shorten the residence time; cooperate with high-speed injection and mold temperature increase; perform strength verification on the first article to confirm no degradation
핵심 요약
Long-flow thin-wall parts can use the 300℃ upper limit in exchange for flow, and the residence time must be shortened simultaneously; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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