This book delves into the intricate world of Rotary Ultrasonic Machining (RUM) and focuses on the crucial aspect of parameter optimization to enhance machining efficiency and precision. The author explores the fundamental principles of RUM, a cutting-edge manufacturing process that combines ultrasonic vibrations with the rotational motion of a cutting tool. The text provides a comprehensive examination of the key parameters involved in RUM, such as ultrasonic frequency, tool speed, feed rate and ultrasonic power.Researchers, engineers, and practitioners in the field of machining will find this book to be a valuable resource, providing both theoretical foundations and practical applications. The optimization strategies outlined in the book contribute to the ongoing advancements in precision manufacturing, making it an essential read for those seeking to stay abreast of the latest developments in Rotary Ultrasonic Machining.