Published online by Cambridge University Press: 17 July 2025
Subject of Machine Design is a combination of engineering and art. The engineering part is important for the functional working of a machine, so that all the machine elements when assembled as a machine, work properly e.g. as an automobile, sewing machine, a lathe etc. The engineering may also include ergonomics, to cause minimum fatigue, if the machine has to be handled by human beings for a long time. The art part is adding aesthetic for appealing shapes, selecting suitable colors etc. which attract the customers.
Fundamentals of machine design considers the concepts of design for each element separately like for a shaft, bearing, pulley etc. Loads on a part/component are assessed, checked for the stresses, whether it is within the safe strength of the selected material. Deflection also should not be beyond a certain limit. The subject should not be confused with strength of materials as the designer has to selecting a suitable material and consider the production aspects also.
Course content is limited to topics, included in the syllabi of the universities and colleges. The subject is so wide that it is covered in two semesters, for mechanical engineering students in most of the universities. Hence the book is also divided in two volumes.
English language used in this book is direct and simple, so that an average student can understand easily. The sequence of the chapters is arranged in such a way that the concepts described in earlier chapters become useful for subsequent chapters.
Symbols used for mathematical derivations have been so assigned, that they are easy to remember. There is no list of symbols in the beginning of the book, they are defined wherever they have been used in the text.
Volume - I is for the first course on Machine Design, covering first semester topics offered by most colleges. The main objective of this volume is to provide rules for the design of generalpurpose machine elements. This volume has four units.
Unit 1 of the book is on fundamentals and has four chapters. The first chapter introduces basic fundamentals and types of machine design.
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