This book comprises selected peer-reviewed papers from the 4th International Conference on Machining, Materials, and Mechanical Technologies (IC3MT) held in Taipei, Taiwan in 2022. It serves as a comprehensive compendium of research advancements and innovations in machining technology, materials technology, and mechanical technology. The conference aimed to gather researchers, scholars, engineers, and industry professionals to discuss the latest developments in these fields. The publication highlights topics such as tools and machine design, the use of ultra-high pressure coolant in machining, and the development of mechatronics. It is intended for scholars, practitioners, and industry professionals seeking to enhance their understanding of machining processes and material technologies. The research presented is intended to inspire further innovation and serves as a valuable reference in the field. |