Extrusion & Post
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PC FDM Weak Interlayer
Problem Phenomenon
[Problem Phenomenon] PC printed parts delaminate between layers and deform
Cause Analysis
Low extrusion temperature and cold chamber cause insufficient interlayer fusion; PC printing is difficult; when troubleshooting on site, verify each item according to this mechanism one by one, and avoid blindly adjusting the machine based on experience alone; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Increase the nozzle temperature; high-temperature enclosed chamber; bed temperature 100-120°C; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate effective measures
Key Takeaway
PC printing weak interlayer relies on the high-temperature chamber; 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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