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Kulkarni S.G. Machine design

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Kulkarni S.G. Machine design
Tata McGraw-Hill Publishing, 2008 — 339 p.
This book was first published as part of TMH Outine Series and was well received by the students and teachers alike. The new edition, is now being published as Sigma Series. I have expanded the material by adding numerous problems at the end of each chapter. This will give students an opportu- nity try and reinforce the concepts learned. I hope that the new format of the book is more convenient and will be appreciated by the students. The seeds of this book were planted over thirty-five years ago when as a teacher in the Government Engineering College, Aurangabad, I tried to use different methods to make the subject casy to understand for the students and by giving a large number of problems as exercises. The book has been written the prefinal- and final-year students studying the Mechanical Engincering degree course and comprehensively covers a major portion of the syllabi prescribed by various Indian universities. The students preparing for B section of A.M.IE. (Mechanical) will also find it useful. The final-year students of diploma courses in Mechanical Engineering will find the first ten chapters of the book in line with their syllabus. Practicing enginccrs will also find it useful as a great number of challenging problems are included in the text. The theoretical part has been given a brief but precise coverage which makes it an indispensable supplement to any standard book on the subject.The subject matter is divided into two parts of which the part of basic theory to be applied for design of any machine component is covered in the first four chapters. The second chapter includes the concept of manufacturing tolerances required to be used in designing of a machine component. Chapters 5 through 20 are devoted to explaining the procedures of designing different machine elements such as bolts, power screw, springs, shafts, belt and rope drives, gears of different types, sliding contact and rolling contact bearings as the titles of the chapters suggest. The last chapter is a new concept of machine design termed Optimum Design, giving a basic concept of optimization in Machine Design as suggested by J.B. Johnson. Machine Design is not an exact science as there are a variety of methods to arrive at the solution in the form of specifications of any machine element satisfying the necessary functional requirements and no solution is a unique solution to the problem. There may be more than one solution and all may be reasonably correct. This aspect becomes clear as the readers go through the solved problems where many assumptions have to be made for solving them. This may cause confusion in the students. In order to avoid this possibility, most of the problems have been formulated by stating all the assumptions required to solve them. But such an approach should not deter them from using their own thinking and reasoning abilities. Hence, some problems which require the students to make their own assumptions are also included. This will familiarize them with the process of making assumptions and will therefore, make them better equipped to tackle the practical problems, they may require handle in their field of study or work.I am grateful to all those who aided in the development of the text and to the Editors in charge of the McGraw-Hill Publishing company for the constant encouragement in writing this like to convey special thanks to Mr. M G Navare (then Area Manager, TMH Publishing Co.) who introduced me to the company and persuaded me to write the book. Last but not the least, i would like to thank my wonderful wife, Mrs. Veena Kulkarni, who was very supportive and encouraging while I was writing this book.
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