Injection Molding
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PCABS injection pressure range
문제 현상
【Problem Phenomenon】PC/ABS filling pressure set improperly, short shots and flash alternate
원인 분석
Injection pressure 80-140MPa (some data 80-130MPa): take the upper limit for thin-wall complex parts, the middle value for conventional parts; the PC component has high viscosity, and the pressure requirement is higher than pure ABS
해결 방법
Set within the 80-140MPa window; take the upper limit for thin walls; after filling is satisfied, gradually reduce pressure to reduce internal stress; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
PC/ABS injection 80-140MPa, thin walls take the upper limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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