PPT-Welding Sheet Metal

Flexible Manufacturing Copyright Texas Education Agency 2013 All rights reserved 1 Sheet Metal There are many types of sheet metals manufactured for various applications The sheet metal may be developed to bend stretch or to resist corrosion . NMTS seeks out the most qualified inspectors with excellent safety records and retains many outstanding inspectors on our permanent staff. We do a thorough background check on all inspectors prior to mobilizing them to a job site. History of Welding. Welding was used in the construction of the iron pillar in Delhi India, erected about 310 AD and weighing 5.4 metric tons. . History of welding. Welding, was transformed during the 19th century. In 1802, Russian scientist Vasily Petrov discovered the electric arc and subsequently proposed its possible practical applications, including welding.. WELDING:. Process of joining similar metals with the application of heat and with or without the application of pressure.. While welding the edges of metal pieces are either melted or brought into plastic condition.. http://www.gooddirections.co.uk/mach/Mach%20Precision%20Engineering%20Images/Welding%20Metal%20Fabrication%20Home.jpg. Welding 1 . Ibook. Chapter 1 Introduction to gas welding. 1.1 Welding Processes. A Brief History of Welding. Late 19. th. Century. Scientists/engineers apply advances in electricity to heat and/or join metals (Le Chatelier, Joule, etc.). Early 20. th. Century. Prior to WWI welding was not trusted as a method to join two metals due to crack issues. Presentation by:. N.SHASHANK REDDY-BT14EEE058. NAITIK ATUL SHAH-BT14EEE059. N.HARSHITHA-BT14EEE060. N.HARSHA VARDHAN REDDY-BT14EEE061. NIKITA BHAWARE-BT14EEE062. WELDING. . It is the process of joining two pieces of metal at . Joining and Assembly. Joining . - . welding. , . brazing. , . soldering. , and adhesive bonding. These processes form a permanent joint between parts. Assembly - mechanical methods (usually) of fastening parts together. A Brief History of Welding. Late 19. th. Century. Scientists/engineers apply advances in electricity to heat and/or join metals (Le Chatelier, Joule, etc.). Early 20. th. Century. Prior to WWI welding was not trusted as a method to join two metals due to crack issues. T-Joint. T-Joint made by Arc welding. T-Joint made by MIG welding. T-Joint oxygen acetylene. Butt Joint. Butt Weld from Arc Welding. Butt welding using. Oxygen . A. cetylene . Butt Welding using . MIG Welding. CO. Identify joining methods for fabrications, and fabricate simple job using joining method.. ©2010 John Wiley & Sons, Inc. M P Groover, . Fundamentals of Modern Manufacturing. 4/e. Welding. Welding is metallurgical fusion process,where part to be joined by the application of heat and pressure.. CHAPTER 12 Flux Cored Arc Welding Equipment, Setup, and Operation OBJECTIVES After completing this chapter, the student should be able to explain the FCA welding process. describe what equipment is needed for FCA welding. OBJECTIVES. After completing this chapter, the student should be able to. understand the basics of joint design.. list the five major types of joints.. list seven types of weld grooves.. identify the major parts of a welding symbol.. Hot work . is any work process that produces flames or sparks that present a fire ignition hazard to the surrounding environment and personnel.. Gas torch welding and cutting. . uses a flame to join or cut metal.. . CONTENTS:. . Introduction. Definitions. Soldering. - Classification of solders. - Classification of fluxes. - Heat source in soldering. - Techniques of soldering.