There are many different types of welding processes and in general they can be categorized as. There is some special technical vocabulary or language that is used in welding. Welding and metal fabrication is designed to help you develop all of the skills to become a highly paid versatile welder. Ahw atomic hydrogen welding caw constricted arc welding tig tungsten inertgas arc welding mig metal inertgas arc welding mag metal activegas arc welding pjw plasma jet welding paw plasma arc welding pjpw plasma jet plasma arc welding gmgmma gasmixture shielded metalarc welding magm magc co2shielded metalarc welding ngw narrowgap welding. Introduction to welding in the navy as well as private industry, welding is widely used by metalworkers in the fabrication, main. Welding and metal fabrication book pdf by larry jeffus. Table of contents mechanical fastening 5 screws, bolts and rivets. Welding technology aluminiumstainless steel resource book. The purpose of the welding handbook for maritime welders is to provide guidance in modern welding and related processes and to provide the welder with a source of practical information on the right solution to specific onboard welding problems. This document is a must for every welding school, fabricator and home hobbyist. In this article, well cover the basics and it will be a good refresher for those who already have some welding experience. This is the welding industrys comprehensive reference on safety. Mig welding tips and techniques for beginners millerwelds.
These attributes led to the special process classification of welding. Pdf in the context of the development of an interactive welding simulator. I use it for almost everything because it is simple and it works. There is no one specific rule governing the type of welding process to be. I learned this mig welding technique over 20 years ago and have gotten a lot of mileage out of it. Types of welding revo technologies and enterprises. In the industry its called gas metal arc welding gmaw but the term mig welding is much more common, so well use that here. The most popular processes are shielded metal arc welding smaw, gas metal. Typically the mig gun will be pushed, the angle of the mig gun can be pointing straight down to leaning toward the direction of the weld up to 35. For welding vertical up, use a push or forehand technique and tilt the top of the electrode 0 to 15 degrees away from the direction of travel.