Extrusion & Post
10 조회수
PLA 3D Printing Rough Surface
문제 현상
PLA printed parts have rough surface layer lines, and the appearance and dimensional accuracy are not up to standard
원인 분석
FDM layer-by-layer deposition inherently has high surface roughness; layer height, nozzle diameter and printing speed jointly determine it; post-treatment (polishing, chemical vapor) can improve it; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
해결 방법
①Reduce layer height and optimize speed; ②Mechanical polishing or chemical vapor post-treatment; ③Evaluate other processes for high-precision parts; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
The PLA printing surface is an inherent process attribute; parameter optimization plus post-treatment are the two improvement routes; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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