System Instrumentation

We aim to develop Advanced Additive Manufacturing Systems by combining optical technology and high-precision engineering to enhance the 3d printing performance; high-resolution, large-area, high-scalability, multi-materials. With the developed advanced 3D printers, we take advantage of the novel additive manufacturing skills and apply them to diverse applications.

Rapid 3D printer (CLIP; Continuous Liquid Interface Production)

Continuous Liquid Interface Production (CLIP) is a groundbreaking advancement in additive manufacturing that dramatically accelerates the 3D printing process. Unlike traditional methods that build objects layer by layer, CLIP uses light and oxygen to continuously cure photosensitive resins, enabling rapid and seamless production of complex geometries. This continuous printing process eliminates the wait between layers, drastically reducing production times while maintaining high precision. CLIP’s speed sets it apart, enabling the creation of high-quality, intricate designs in a fraction of the time required by conventional 3D printing techniques. This technology is transforming industries such as biomedical implants, customized footwear, and automotive components, offering a new frontier in fast and efficient additive manufacturing.

Science Advances (2022), Additive Manufacturing (2022)

High-resolution 3D printer

A high-resolution 3D printer is a cutting-edge technology that has revolutionized the world of additive manufacturing. These precision machines excel in creating intricate, finely detailed objects with remarkable accuracy. Utilizing advanced printing techniques, high-resolution 3D printers can produce objects layer by layer, often with layer heights as thin as a fraction of a human hair's width. This level of precision ensures that the final printed items exhibit exquisite surface quality and sharp, intricate features, making them ideal for applications ranging from medical and dental prosthetics to aerospace components and intricate art pieces. High-resolution 3D printers have pushed the boundaries of what is possible in the realm of 3D printing, opening up a world of possibilities for designers, engineers, and creators seeking to bring their most intricate and detailed ideas to life.

Science Advances (2022), Additive Manufacturing (2022)

Scalable 3D printer

In the rapidly evolving landscape of manufacturing, where demands for speed, precision, and customization are paramount, 3D printing has emerged as a transformative solution. However, one of its limitations has been the relatively slow printing speed and restricted print area, which hinder its broader applicability across industries. To address these challenges, innovative approaches like the scalable 3D printer is being developed. The utilization of a single UV projector in conjunction with a sophisticated combination of optical components enables the precise expansion of UV patterns into multiple positions, facilitating parallel expansion while maintaining impeccable resolution.

The primary objective of this innovative approach is to apply advanced optical systems to projection-based 3D printing, thereby significantly expanding the 3D print area without compromising optical image quality.

This could potentially open up doors for mass production, mass customization, and large-area 3D printing via a cost-effective single 3D printer option.

Additive Manufacturing (2024)

AI and Numerical simulation of 3D printing

Traditional vat photopolymerization 3D printers apply resin-dependent print parameters, often failing to consider the intricacies of the desired 3D CAD structure. Several studies have shown that microstructures require optimal print parameters. Furthermore, this would require a dynamic print parameter variation depending on the 3D CAD structure. The need arises for a comprehensive numerical simulation tool that can accurately predict the 3D printing process and provide insights into optimizing print parameters to mitigate these artifacts. By incorporating simulations, manufacturers can minimize trial and error, reduce material wastage, and enhance the overall print quality.

Furthermore, leveraging numerical simulation results of the 3D printing process, we have a promising opportunity to harness the power of artificial intelligence (AI) for achieving optimal print parameters, ultimately leading to the production of top-notch 3D prints. By integrating AI into the intricate world of additive manufacturing, we can streamline and enhance the design and production phases, ensuring that each print is crafted with precision and efficiency. Through machine learning algorithms, AI can analyze vast datasets generated from simulations, identifying patterns and relationships between various printing parameters and their impact on the final output. This transformative approach not only accelerates the optimization process but also allows for continuous learning and adaptation, ultimately pushing the boundaries of what is achievable in the realm of 3D printing.

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