Extrusion & Post
4 조회수
Cracking of LCP Products in Post-Processing and Secondary Assembly
문제 현상
【Problem Phenomenon】LCP parts crack along the orientation direction during drilling, tapping or press-fitting
원인 분석
The transverse strength of the orientation direction is low; post-processing cutting force or assembly interference tears the material along the transverse direction; post-processing of anisotropic materials must consider directionality; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
해결 방법
Use sharp tools with low-speed feed in post-processing to reduce tearing; verify press-fit interference according to transverse strength; structurally keep machined hole positions away from high-orientation areas or locally add material; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
LCP post-processing fears transverse tearing; tool feed and interference are verified according to the weak direction; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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