Extrusion & Post
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SMMA Extrusion Processing
Problem Phenomenon
SMMA extruded profiles, temperature 170-250℃ and cooling.
Cause Analysis
SMMA extrusion barrel temperature 170-250℃; screen filtration; water temperature at least 10℃ cooling; vacuum or flat plate calibration; surface quality.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
①Extrusion temperature 170-250℃; ②screen configuration; ③cooling water temperature ≥10℃; ④calibration method; ⑤surface management.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Temperature and cooling of SMMA extrusion are the quality foundation; screen and calibration are equipment; management keeps consistency.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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