Extrusion & Post
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PCL electrospinning parameters
Problem Phenomenon
PCL electrospun fibers have uneven diameters, beading, and breakage, and process parameters are sensitive.
Cause Analysis
PCL solution concentration and viscosity; voltage, distance, and flow rate; environmental temperature and humidity; solvent volatilization; collection method.；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Solution parameter optimization; ②Matching of voltage, distance, and flow rate; ③Environmental control; ④Solvent selection; ⑤Collection method optimization.；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PCL electrospinning is a multi-parameter precision process; environmental control is important; optimization is based on systematic experiments.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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