Welding and Cutting Metals Ebook
Title: Welding and Cutting Metals
Start Your Own High-Paying Career In Welding With This Welding Course
At last you can now start to discover welding - the art of joining and cutting metals with The Welding Course - right at the comfort of your home in your free time!
A Career In Welding and Cutting Metals
Would you like to start a potentially lucrative career or business with a welding skill?
Acquiring a new skill in welding could give you a potentially high-paying career (Salary Range: $13.00-$26.44 per hour).
It could also open for you a floodgate of new opportunities with various businesses and arts and crafts that you have only dreamt about of starting and enjoying.
At last you can now start to discover welding - the art of joining and cutting metals with The Welding Course - right at the comfort of your home in your free time.
The Welding Course is the textbook equivalent of a hands-on welding training. It prepares and orients you to the basic as well the advanced.
It contains all necessary information and data in one volume, making it possible for the workman to use one source for securing a knowledge of both principle and practice, preparation and finishing of the work, and both large and small repair work as well as manufacturing methods used in metal working.
With almost a hundred illustrations, the 50,084-word Welding Course will manual you step-by-step towards learning the art and craft of joining and cutting metals.
It is a complete course in itself that will show you comprehensive knowledge on the following:
- WELDING MATERIALS: - Production, Handling and Use of the Gases, Oxygen and Acetylene - Welding Rods - Fluxes - Supplies and Fixtures
- METALS AND ALLOYS - HEAT TREATMENT: - The Use and Characteristics of the Industrial Alloys and Metal Elements - Annealing, Hardening, Tempering and Case Hardening of Steel
- ACETYLENE GENERATORS: - Generator Requirements and Types - Construction - Care and Operation of Generators.
- OXY-ACETYLENE WELDING PRACTICE: - Preparation of Work - Torch Practice - Control of the Flame - Welding Various Metals and Alloys - Tables of Information Required in Welding Operations
- WELDING INSTRUMENTS: - Tank and Regulating Valves and Gauges - High, Low and Medium Pressure Torches - Cutting Torches - Acetylene-Air Torches
- ELECTRIC WELDING: - Resistance Method - Butt, Spot and Lap Welding - Troubles and Remedies - Electric Arc Welding
- SOLDERING, BRAZING AND THERMAL WELDING: - Soldering Materials and Practice - Brazing - Thermal Welding
- HAND FORGING AND WELDING: - Blacksmithing, Forging and Bending - Forge Welding Methods
- OXYGEN PROCESS FOR REMOVAL OF CARBON
Think about finding a new, high-paying career that you enjoy...and how about creating new things from your garage out of junk like:
METALS AND THEIR ALLOYS -- HEAT TREATMENT
Iron.--Iron, in its pure state, is a soft, white, easily worked metal. It is the most important of all the metallic elements, and is, next to aluminum, the commonest metal found in the earth.
Mechanically speaking, we have three kinds of iron: wrought iron, cast iron and steel. Wrought iron is very nearly pure iron; cast iron contains carbon and silicon, also chemical impurities; and steel contains a definite proportion of carbon, but in smaller quantities than cast iron.
Pure iron is never obtained commercially, the metal always being mixed with various proportions of carbon, silicon, sulphur, phosphorus, and other elements, making it more or less suitable for different purposes. Iron is magnetic to the extent that it is attracted by magnets, but it does not retain magnetism itself, as does steel. Iron forms, with other elements, many important combinations, such as its alloys, oxides, and sulphates.
OXY-ACETYLENE WELDING AND CUTTING MATERIALS
Welding.--Oxy-acetylene welding is an autogenous welding process, in which two parts of the same or different metals are joined by causing the edges to melt and unite while molten without the aid of hammering or compression. When cool, the parts form one piece of metal.
The oxy-acetylene flame is made by mixing oxygen and acetylene gases in a special welding torch or blowpipe, producing, when burned, a heat of 6,300 degrees, which is more than twice the melting temperature of the common metals. This flame, while being of intense heat, is of very small size.
Cutting.--The process of cutting metals with the flame produced from oxygen and acetylene depends on the fact that a jet of oxygen directed upon hot metal causes the metal itself to burn away with great rapidity, resulting in a narrow slot through the section cut. The action is so fast that metal is not injured on either side of the cut.
Carbon Removal.--This process depends on the fact that carbon will burn and almost completely vanish if the action is assisted with a supply of pure oxygen gas. After the combustion is started with any convenient flame, it continues as long as carbon remains in the path of the jet of oxygen.
Materials.--For the performance of the above operations we require the two gases, oxygen and acetylene, to produce the flames; rods of metal which may be added to the joints while molten in order to give the weld sufficient strength and proper form, and various chemical powders, called fluxes, which assist in the flow of metal and in doing away with many of the impurities and other objectionable features.
Ebook Type: PDF
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