1. Precision polishing and molding
Domestic production of single-piece aspheric lenses generally uses grinding and polishing at the same time.
As technology advances, accuracy becomes higher and higher. Most importantly, the precision polishing of aspheric lenses from China is computer controlled and automatically adjusted to achieve parameter optimization.
Aspherical lenses from China. Magnetorheological finish is used when a higher quality polish is required.
Magnetorheological polishing offers higher performance and shorter time than standard polishing.
Precision polishing requires specialized equipment and is the first choice for sample production and small batch samples.
2. Mixed molding
Mixed casting based on spherical lenses is die-cast on the surface of the spherical lenses through aspherical molds, and ultraviolet light is used to harden a layer of polymer on the aspherical bodies.
Hybrid molding generally uses an achromatic spherical lens as the base, and a layer of aspherical surface is cast on the surface to eliminate chromatic aberration and spherical aberration.
Hybrid molded aspherical lenses from China, suitable for situations where additional functionality (simultaneous elimination of chromatic and spherical aberrations) and mass production are required.
I hope the above introduction and analysis of China’s aspheric lens manufacturing methods will be helpful to you. If you have other questions, you can contact us directly.