374
Scrivener Publishing 100 Cummings Center, Suite 541J Beverly, MA 01915-6106
Publishers at Scrivener
Martin Scrivener ([email protected]) Phillip Carmical ([email protected])
Arc Welding Processes Handbook
Ramesh Singh
This edition first published 2021 by John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, USA and Scrivener
Publishing LLC, 100 Cummings Center, Suite 541J, Beverly, MA 01915, USA
© 2021 Scrivener Publishing LLC
For more information about Scrivener publications please visit www.scrivenerpublishing.com.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, except as permitted by law. Advice on how to obtain permission to reuse material from this title is available at http://www.wiley.com/go/permissions.
Wiley Global Headquarters
111 River Street, Hoboken, NJ 07030, USA
For details of our global editorial offices, customer services, and more information about Wiley products visit us at www.wiley.com.
Limit of Liability/Disclaimer of Warranty
While the publisher and authors have used their best efforts in preparing this work, they make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation any implied warranties of merchant-ability or fitness for a particular purpose. No warranty may be created or extended by sales representatives, written sales materials, or promotional statements for this work. The fact that an organization, website, or product is referred to in this work as a citation and/or potential source of further information does not mean that the publisher and authors endorse the information or services the organization, website, or product may provide or recommendations it may make. This work is sold with the understanding that the publisher is not engaged in rendering professional services. The advice and strategies contained herein may not be suitable for your situation. You should consult with a specialist where appropriate. Neither the publisher nor authors shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages. Further, readers should be aware that websites listed in this work may have changed or disappeared between when this work was written and when it is read.
Library of Congress Cataloging-in-Publication Data
ISBN 978-1-119-81905-9
Cover image: Double headed GMAW system provided by the author
Cover design by Russell Richardson
Set in size of 11pt and Minion Pro by Manila Typesetting Company, Makati, Philippines
Printed in the USA
10 9 8 7 6 5 4 3 2 1
List of Figures
Figure 1.1 General lay out of welding and joining processes
Figure 2.3 A SMAW welder welding on a pipeline project
Figure 2.5 Welding arc action and various components of welding
Figure 2.7 The schematic above shows the key components of an AC transformer
Figure 2.7.3 Schematic of a movable shunt type transformer control
Figure 2.7.7 A schematic drawing of single-phase DC power source with SCR bridge control
Figure 2.8.1 Shows the schematic of single phase bridge type rectifier
Figure 2.8.2 Three phase bridge-type rectifier
Figure 2.8.1.1 Schematic diagram of a DC generator
Figure 2.8.1.2 Circuitry of an exciter system
Figure 2.8.3 Current conversion and resulting wave forms