Material Drying
4 조회수
PA6 Cable Tie Brittle Fracture
문제 현상
Cable ties break when bundled at low temperature or in the dry state, and the problem worsens after a period of storage
원인 분석
Cable ties are at the peak of dry-state brittleness after demolding, and low temperature further reduces toughness; a dry storage environment makes the moisture content continuously decrease, and brittle fracture intensifies with storage time; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
①Cable ties are conditioned to equilibrium moisture content before leaving the factory; ②sealed packaging maintains the conditioned state; ③select low-temperature-resistant toughened grades for low-temperature environments; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
Cable tie brittle fracture is a typical scenario of PA6 dry-state brittleness; factory conditioning plus sealed moisture retention is the industry standard practice; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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