Injection Molding
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PCL melt temperature and pressure
Problem Phenomenon
PCL '2079851475616104452 melt temperature and injection pressure are improper, causing incomplete filling or overpressure flash.
Cause Analysis
PCL melt temperature affects viscosity and degradation; pressure affects filling and density; temperature-pressure matching; product structure; equipment capability.；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Melt temperature 140~180℃ optimization; ②Injection pressure adjusted according to structure; ③Temperature-pressure matching verification; ④Equipment capability assessment.；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PCL temperature and pressure are core process parameters; matching optimization is based on verification; equipment assessment ensures feasibility.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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