With the rapid development of 3D printing technology, the traditional layer-by-layer printing method has gradually exposed some problems such as slow speed, low precision and limited materials, and it is difficult to meet the needs of large-scale industrial production. In this context, the continuous liquid interface production (CLIP) technology came into being. This innovative 3D printing technology introduced by Carbon Company in 2015 not only achieved a breakthrough in printing speed, but also opened up a new path for the industrial application of 3D printing.

The core principle of CLIP technology is based on the synergistic effect of light curing and oxygen suppression. It uses an oxygen suppression layer called "Dead Zone" in the printing process, so that the liquid resin will not cure immediately under the irradiation of ultraviolet light, thus realizing a continuous printing process without interlayer structure. Different from the traditional method of layer-by-layer curing in 3D printing, the CLIP technology can achieve continuous lifting, which greatly improves the printing efficiency.

First of all, CLIP technology significantly improves the printing speed. Traditional photo-curing 3D printing needs to expose, cure and reposition the platform layer by layer, which is not only time-consuming but also easy to produce interlayer gaps. However, the CLIP adopts the continuous stretching method, which makes the model almost "grow" during the printing process, greatly reducing the printing time. According to the data of Carbon Company, the printing speed of CLIP technology can reach 25 to 100 times that of traditional SLA (Stereolithography) technology, so that complex models that originally took hours or even dozens of hours can be completed in tens of minutes.

Secondly, the continuous forming mode of CLIP technology improves the surface quality and mechanical properties of printed parts. Because there is no interlayer structure defect of traditional laminated molding, the printed parts are denser and smoother, with higher strength and better mechanical properties, and are suitable for industrial parts and medical products with high performance requirements.

In addition, CLIP also supports a variety of high-performance materials, such as elastomers and high-temperature resistant resins, which provides more possibilities for aerospace, automobile manufacturing, footwear customization and other industries. For example, adidas, a well-known sports brand, cooperated with Carbon to rapidly produce high-performance midsole by using CLIP technology and realize mass customization production.

To sum up, through its unique continuous molding mechanism, CLIP technology not only improves the printing speed, but also takes into account the printing quality and material properties, laying a solid foundation for 3D printing to move towards the industrial 4.0 era. In the future, with the continuous optimization and popularization of this technology, it is expected to replace traditional manufacturing methods in more fields and become an important driving force for intelligent manufacturing.