Extrusion & Post
11 조회수
TPE extrusion streaks
문제 현상
Streaks appear at the same position of TPE extruded products, die damage or foreign material mixing
원인 분석
Causes of TPE extrusion streaks: die damage and fouling, foreign material mixing, weld area not eliminated; die condition and cleanliness are the main variables; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
①clean the die; ②clean the barrel, screw, and head; ③increase the length from the weld area to the die; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
TPE extrusion streaks are troubleshooted along the three lines of die, cleanliness, and weld; die condition is the first inspection item; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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