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Paperback. Condizione: New. Print on Demand. This book provides an in-depth analysis of worm gears, their use, and efficiency. It begins by establishing the importance of worm gears in automobiles, particularly in steering systems. Despite misconceptions about their efficiency, the author contends that worm gears can be designed to be either irreversible or reversible, making them suitable for a range of applications. The book then explores the theory behind worm gears, including the relationship between the efficiency of a worm gear and its pitch angle. It provides mathematical formulas and diagrams to illustrate these concepts. The importance of a high pitch angle for increased efficiency is emphasized. The author also presents data and insights from experiments conducted by Lewis and other researchers, which support the theoretical analysis. Additionally, the book offers practical advice on selecting and using worm gears in various applications. It discusses factors such as the desired velocity ratio, efficiency requirements, and the materials used in the manufacturing process. Overall, this book serves as a comprehensive guide to the theory, design, and application of worm gears, offering valuable insights for engineers and anyone working with mechanical systems. Its historical context and detailed analysis make it a valuable resource for understanding the significance of worm gears in engineering history, specifically in the automotive industry. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.