Utilizing DLP Technology for End-Use Parts Production | Abstract
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European Journal of Applied Engineering and Scientific Research


Utilizing DLP Technology for End-Use Parts Production

Author(s): Mohit Kumar

Fundamentals of SLA/DLP 3D Printing: Understanding how the optical components (such as light source, Digital Micromirror Array, illumination and imaging optics), file processing software (tessellation techniques, support addition methods, anti-aliasing) and printing approach (such as physics of adhesion in bottom-up printing, CLIP technology and top-down printing) affect produc­tion speed and part quality. Differentiating between factors affect­ing true performance versus brochure myths and obscure technical data and how to make the right machine purchase decision for a given application. How SLA/DLP technology is being used for end-use parts production (for precision industries such as dental, hearing aid and jewelry) will be covered.

Development of 3D Printing Inks for SLA/ DLP Technology: The chemistry of photopolymers (urethane acrylates, epoxy acrylates etc) for DLP 3D printing has been inspired from the UV Coatings (urethane acrylates/methacrylates) and adhesives (cyanate esters) industry. An explanation of the transition from wood coatings and nail gels to SLA/DLP 3D Printing resins and how a given polymer base is used to create different physical properties required for a given industry (such as bio-compatibility for nail gels/ dental 3DP resins and toughness for UV Coatings/ engineering-grade mate­rials) will be provided. Finally, a briefing on chemicals developed specifically for 3D Printing such as HA-TCP, ZrO2, SiN and wax loaded materials will be given alongwith how they could disrupt the medical (dental/ bone implants), engineering (aerospace/ au­tomotive/ industrial electronics) and jewelry domains.