By Chilton
Welding is a procedure serious to our current kingdom of civilization and technical development, but little understood and more often than not taken with no consideration. except uncovered to the development, equipment or car trades, the common individual by no means realizes how a lot we rely at the welding technique, that is a basic a part of the method of creating such a lot of what we rely on day-by-day, together with automobiles, constructions, home equipment, bridges and greatly extra. in truth, when you particularly begin to learn the gadgets round us, it's not easy to visualize our global with no the welding procedure.
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Example text
Acetylene gas is quite flammable, and combined with oxygen, which by itself does not burn but speeds up the oxidation or burning of any other fuel, makes one of the hottest possible gas flames (56006300° F),suitable for the rapid welding, cutting or heating of most ferrous and non-ferrous materials. Although all compressed gasses pose some shop hazards because of the pressure inside the bottles, oxygen and acetylene are considerably more dangerous to work around, and require much more caution and close attention to safety rules.
If you are through welding for some time, it is good safety practice to then close down the gas cylinder valves as well, but if you are going to weld again in a short while, just shut off the torch valves only. Gas welding You'll need a lot of small pieces of clean scrap metal to practice on, of varying thicknesses. Even if you only intend to do light sheet-metal welding, start by practicing with thicknesses up to 1/4-inch to become familiar with different tip sizes and flame adjustment. 23 The oxidizing flame has too much oxygen, and a feathery blue flame with small white inner flame.
In truth, this is more likely a picture of someone cutting with a torch rather than welding, but it points out the ubiquitous nature of the gas equipment in the overall welding picture. Although losing some ground to modern electric welders in the most recent decade as the welding system of choice for the average home/shop user, oxy-acetylene equipment is still unarguably the most versatile setup for home, farm or shop. Besides its function as a fusion-joiner of metals, gas equipment also of course is extremely valuable as metal cutting equipment, and can also be used for non-fusion metalwork such as brazing, soldering, and the dying art of automotive body lead work.