
Três tampas de ventilação de AVAC a preto e branco com ripas abertas sobre um fundo azul-petróleo, exibindo um design elegante.
Key Takeaways An open area ratio of 50–65% balances airflow performance with mold steel durability; exceeding 70% risks blade fracture within 10,000 cycles. Steel blade thickness must match air slot width; slots narrower than 3 mm leave steel blades that cannot be internally water-cooled and overheat. Knit lines in grille ribs retain only 60–80% of […]
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