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Welding and Cutting Metals
At last you can now start to learn 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
Dear friend
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 learn 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 guide 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:
METALS AND ALLOYS - HEAT TREATMENT: - The Use and Characteristics of the Industrial Alloys and Metal Elements - Annealing Hardening Tempering and Case Hardening of Steel
WELDING MATERIALS: - Production Handling and Use of the Gases Oxygen and Acetylene - Welding Rods - Fluxes - Supplies and Fixtures
ACETYLENE GENERATORS: - Generator Requirements and Types - Construction - Care and Operation of Generators.
WELDING INSTRUMENTS: - Tank and Regulating Valves and Gauges - High Low and Medium Pressure Torches - Cutting Torches - Acetylene-Air Torches
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
ELECTRIC WELDING: - Resistance Method - Butt Spot and Lap Welding - Troubles and Remedies - Electric Arc Welding
HAND FORGING AND WELDING: - Blacksmithing Forging and Bending - Forge Welding Methods
SOLDERING BRAZING AND THERMAL WELDING: - Soldering Materials and Practice - Brazing - Thermal Welding
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:
CHAPTER I
METALS AND THEIR ALLOYS -- HEAT TREATMENT
THE METALS
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.
.............
CHAPTER II
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.
.................
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