Molding Process
4 조회수
PA12 SLS Laser Parameter Matching
문제 현상
【Problem phenomenon】SLS printed PA12 parts had insufficient strength or surface overburning, and laser parameters attended to one thing and lost another
원인 분석
Laser power 150-200W, scanning speed 500-800mm/s, and layer thickness 0.1-0.15mm are the common windows for PA12; insufficient power causes incomplete sintering and low strength, too high causes overburning degradation and poor surface
해결 방법
Start optimization from 150-200W power, 500-800mm/s speed, and 0.1-0.15mm layer thickness; for reinforced powder, increase power by 10-15% and reduce speed by 5-10%; comprehensively evaluate energy density
핵심 요약
SLS laser parameters depend on the comprehensive value of energy density, and raising power alone easily causes overburning; 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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