Extrusion & Post
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ASA FDM bed adhesion management
Problem Phenomenon
[Problem phenomenon] ASA printing first layer adhesion poor, corners warp and detach from platform
Cause Analysis
ASA has relatively high shrinkage and warps easily, needs heated bed plus adhesion aids: glass bed PEI sheet Kapton tape with 3Dlac or ASA-acetone slurry; platform leveling is the prerequisite
Solution
Platform precisely leveled and adhesion agent used; large parts add brim or raft; bed temperature kept 90-110°C throughout; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA printing adhesion relies on leveling plus adhesion agent, warping edges add brim; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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