Extrusion & Post
11 조회수
PCL insufficient interlayer bonding
문제 현상
PCL 3D printing has insufficient interlayer adhesion, delamination, collapse, and decreased mechanical properties.
원인 분석
PCL has a low melting point and slow cooling speed, prolonging interlayer bonding time; improper melt temperature; excessive printing speed; environmental temperature influence; insufficient interlayer diffusion.
해결 방법
①Printing temperature optimization; ②Printing speed control; ③Environmental temperature management; ④Interlayer pressure or hot air assistance; ⑤Post-processing strengthening.；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Interlayer bonding in PCL 3D printing is the core of quality; balance of temperature and speed; auxiliary means improve bonding.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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