
Guida alla progettazione di parti plastiche HVAC DFM per lo stampaggio a iniezione
Key Takeaways DFM applied before tooling can reduce HVAC part cost by 20–35% and cut mold rework cycles by half. External HVAC housing surfaces require 1–2° draft; internal ribs and snap-fit walls need 2–3°; textured surfaces add 1° per 0.025 mm texture depth. Wall thickness tolerances: ABS 1.2–3.5 mm, PP 0.8–3.8 mm, PA-GF 1.5–3.0 mm […]
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