Processing Machinery
3 조회수
PPO Foamed Structural Part Weight Reduction
문제 현상
[Problem Phenomenon] Large structural parts need weight reduction while maintaining rigidity and flame retardancy
원인 분석
PPO foam grades (FN85, FMC3008 reinforced, SFG series) are UL94 V-0; foaming reduces specific gravity while maintaining rigidity; business machine housings and large panels are typical applications
해결 방법
Select foam grades for weight-reduced structural parts; verify the balance between expansion ratio and rigidity; retest the flame-retardant rating after foaming; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
PPO foaming reduces weight while maintaining rigidity and flame retardancy, a sharp tool for large structural parts; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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