Material Drying
4 조회수
Low ultrasonic welding strength of PET injection molded parts
문제 현상
The strength of PET injection molded parts after ultrasonic welding is insufficient, and the weld line easily breaks.
원인 분석
Improper welding parameters (amplitude, energy, time unsuitable); product moisture absorption affects welding; energy director design is poor.
해결 방법
Optimize welding parameters; dry the products before welding; optimize energy director design (triangular cross-section).
핵심 요약
PET ultrasonic welding requires dry products and optimized parameters.
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