Extrusion & Post
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ASA Acetone Vapor Smoothing Post-Processing
Problem Phenomenon
【Problem Phenomenon】ASA printed parts have obvious layer lines, not up to standard in occasions with high appearance requirements
Cause Analysis
ASA can be smoothed with acetone vapor to eliminate layer lines and obtain a smooth surface; smoothing time controlled to prevent over-dissolving details; ventilation and explosion prevention is the safety prerequisite; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solution
Smoothing time controlled by part size; detail parts shortened or locally treated; operate in ventilated environment; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA acetone vapor smoothing eliminates layer lines, dual control of time and ventilation; after confirming effectiveness, fix 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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