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Welding can be done using a DC power supply as well as an AC power supply. Each of these supplies has their own advantages and disadvantages. They are chosen based on the type of power supply that is available of the project that is undertaken. A stabilizer or a voltage regulator is used to keep the power supply that is needed for the welding operation constant. A stabilizer will step up the voltage if it is too low or brings the voltage down if it is too high.

The magnetic pulse welding makes use of magnetic pulse to join to metal pieces together. This welding process makes use of the magnetic forces to drive two work pieces together under high pressure thereby creating a weld. This is mostly used to join two dissimilar metals together. However it should be kept in mind that these two metals are electrically conductive in nature and are not eddy current resistant.

This is a common question in the minds of many that are recently learning about welding. The answer to this, as a surprise to many is, yes! Welding can be performed underwater and underwater welding has been used for a long time to make quick repairs to parts of the ship that are underwater like the hull or the propeller. The process that is used underwater in wet conditions is known as shielded metal arc welding. This process makes use of a waterproof electrode.

The main issues continually under review and growth about spot welding are the materials, equipment and quality control. New high power and ultra high power steels, coated steels and aluminium alloys are increasingly being developed and used particularly in the automotive industry. These new materials have caused important weld ability troubles leading producers to further develop their resistance welding equipment.

Gas welding is also known as oxyfuel welding. This welding process makes used of the oxy acetylene gas for the process of welding. This welding process can be considered one of the oldest and most versatile processes of welding.

Everlast Mobile Welding is extremely much customer driven and comes completely prepared with a van carrying MIG, TIG, ARC and Spot welding equipment, backed up by a diesel generator when no power is available, so he can manage with the majority site troubles and materials (Mild steel, Stainless steel and Aluminium welding).

Explosion welding is a solid state welding. In this, the two metals are joined by pushing them together under very high pressure. This is normally used for making pipes and tubes. The use of this form of welding is very limited because of the nature of the process that allows for only simple geometry.

As the name suggests, the welding is done with the help of an energy beam. The beam of energy can be laser or an electron beam. This is a relatively new process that has gained a lot of popularity because of the high efficiency and the less amount of time that is consumed in the welding process. When talking about a laser beam, a highly focused beam of light is used for welding.

There have been massive changes in the industry of welding. Initially, the process of welding would mean large bulky units and massive drawing of power. Also there would be many health issues and very limited geometry on which the welds can be created.

When we consider the history of welding, we should consider the history of joining metals. This is because welding is essential the joining of two metals. This process dates back several millennia. As far as the Bronze Age goes, there has been always joining of metals to make structures or sculptures.