Classified according to the plastic molding technology adopted, different processes correspond to distinct mold structures and production efficiency.
- Moldes de moldeo por inyección para plásticos ópticos
The most common type, suitable for mass production of optical components. It uses high-precision injection molding machines to inject molten optical-grade plastics (por ejemplo,, PMMA, PC, COP) into the mold cavity. The molds are equipped with hot runner systems to reduce material waste and ensure uniform melt filling.
- Moldes de moldeo por compresión para plásticos ópticos
Mainly used for molding large-size or thick-wall optical components (por ejemplo,, large-diameter lenses, optical windows for aerospace). The process involves preheating the plastic blank and then compressing it into the mold cavity, which can reduce internal stress of the product and improve optical uniformity.
- Moldes de moldeo por microinyección para componentes ópticos
Designed for micro-optical parts (por ejemplo,, micro-lens arrays, optical fibers, miniature sensor lenses) con dimensiones que van desde micrómetros hasta milímetros. Los moldes requieren tecnologías de mecanizado de microprecisión (por ejemplo,, micro-EDM, rectificado de ultra-precisión) para fabricar estructuras de cavidad diminutas.