Engineering Drawing PDF
Preview Engineering Drawing
ENGINEERING DR AWING SECOND EDITION M. B. Shah B. C. Rana DELHI • CHANDIGARH • CHENNAI UPPER SADDLE RIVER • BOSTON • LONDON SYDNEY • SINGAPORE • HONG KONG • TORONTO • TOKYO Library of Congress CataloginginPublication Data Shah, M. B. (Mahendrakumar Budhichand), 1938‐ Engineering drawing / M.B. Shah, B.C. Rana. – 2nd ed. p. cm. Includes index. ISBN‐13: 978‐8131710562 (pbk.) 1. Mechanical drawing. I. Rana, B. C. (Bachubhai Chhibubhai), 1943‐ II. Title. T353.S45146 2009 604.2—dc22 2009022319 Copyright © 2009 Dorling Kindersley (India) Pvt. Ltd. Licensees of Pearson Education in South Asia This book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, resold, hired out, or otherwise circulated without the publisher's prior written consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser and without limiting the rights under copyright reserved above, no part of this publication may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise), without the prior written permission of both the copyright owner and the above‐mentioned publisher of this book. ISBN 978‐81‐317‐1056‐2 Head Office: 7th Floor, Knowledge Boulevard, A‐8(A), Sector 62, Noida 201 309, India Registered Office: 14 Local Shopping Centre, Panchsheel Park, New Delhi 110 017, India Layout designed by Satwinder Singh Channey Typeset by Integra, Puducherry Printed in India at Tara Art Printers Pearson Education Inc., Upper Saddle River, N.J. Pearson Education Ltd., London Pearson Education Australia Pty, Limited, Sydney Pearson Education Singapore, Pte. Ltd Pearson Education North Asia Ltd, Hong Kong Pearson Education Canada, Ltd., Toronto Pearson Educacion de Mexico, S.A. de C.V. Pearson Education‐Japan, Tokyo Pearson Education Malaysia, Pte. Ltd. DEDICATION To our students This page is intentionally left blank ABOUT THE AUTHORS M. B. Shah is a professor of mechanical engineering and the principal of Shah and Anchor Kutchhi Engineering College, Mumbai. He pursued his undergraduate studies in mechanical engineering from Sardar Patel University and obtained his master of engineering degree in machine design from the University of Bombay (now University of Mumbai). After obtaining his Ph.D. from the Indian Institute of Technology Bombay, he joined Veermata Jijabai Technological Institute in 1969 where he taught engineering drawing and machine design until 1998. His research paper, “Magnetic NDT Technique to Evaluate Fatigue Damage,” was published in the Physica Status Solidi. B. C. Rana was an assistant professor at Veermata Jijabai Technological Institute. He graduated in mechanical engineering from Gujarat University in 1968 and obtained his master of engineering degree from the University of Mumbai. He has taught for nearly thirty years, initially at K. J. Somaiya Polytechnic as a lecturer and then at Veermata Jijabai Technological Institute. v This page is intentionally left blank BRIEF CONTENTS Abbreviations, Symbols and Notations xxi Preface xxiii The Development of This Book xxvii 1 Basics of Engineering Drawing 1 2 Symbolic Lines and Lettering 17 3 Geometrical Constructions, Loci and Engineering Plane Curves 27 4 Scales 59 5 Projections of Points and Lines 73 6 Projections on Auxiliary Reference Planes 103 7 Projections of Planes 115 8 Projections of Solids 149 9 Sections of Solids 193 10 Intersection of Surfaces 219 11 Development of Surfaces 247 12 Multiview Orthographic Projections 287 13 Sectional Views 317 14 Dimensioning 343 15 Auxiliary Views 353 16 Reading Orthographic Projections 373 17 Isometric Projections 419 18 Oblique Parallel Projections and Perspective Projections 441 19 Threaded Fasteners 467 20 Riveted and Welded Joints 497 21 Computer-Aided Drafting 513 Index 545 vii This page is intentionally left blank CONTENTS Abbreviations, Symbols and Notations xxi Preface xxiii The Development of This Book xxvii 1B asics of Engineering Drawing 1 Objectives 1 1.1 Introduction 2 1.2 Drawing Instruments 2 1.2.1 Drawing Board 3 1.2.2 Minidrafter 3 1.2.3 Precision Instrument Box 4 1.2.4 Set Squares 6 1.2.5 Engineers’ Scales 7 1.2.6 Protractor 7 1.2.7 Irregular or French Curves 8 1.2.8 Spring Clips 8 1.2.9 Drawing Papers 8 1.2.10 Pencils 8 1.2.11 Erasers 8 1.2.12 Erasing Shields 9 1.2.13 Templates 9 1.2.14 Dusters 9 1.2.15 Flexible curves 9 1.2.16 Tracing Paper 10 1.2.17 T-square 10 1.3 Title Block 11 1.4 Points to Remember 12 Exercises 12 Review Questions 15 2S ymbolic Lines and Lettering 17 Objectives 17 2.1 Introduction 18 2.2 Symbolic Lines 18 ix
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