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Welding Accessories

10/8/2012 12:48:53 PM | by Anonymous

What-are-Welding-Accessories

Welding is involved in the construction of almost every machine, making it one of the most important skills in the world today. It can be referred to as a fabrication or sculpting process which joins metals by melting the parts to be joined first and then using a filler to form a joint at the part where the metals had been melted. The joint is formed once the heated metal cool and return to a solid form. Welding is different from soldering and brazing as these processes require a lower-melting-point material to be melted in between the two materials which are intended to be joined. This extra material causes the metals to form a joint instead of having the metals melt to form a joint. Welding can be done using several energy sources that can heat up the metals to melting point. Some sources of energy can be a gas flame, an electric arc, friction, laser, ultrasound or an electronic beam. Although welding is an industrial process and usually performed in factories, it can also be performed in many different environments such as underwater, outer space and open air. A person carrying out welding should be aware of the potential hazards that are related to the process, and proper measures should be undertaken in order to avoid burns, electric shock, inhalation of any harmful gases and vision damage.

 

In order to begin welding, a person needs to have the right welding accessories and ensure that they have the appropriate safety equipment to prevent injury. The most iconic safety equipment is the welder’s helmet, which has a unique shape and glass that can be darkened according to the user’s preference. The glass prevents the user from any vision damage that may come from the sharp bright lights during the welding process. Previously, welding helmets were bulky and did not have the adjustable level of darkness. However, helmets nowadays tend to be less bulky and offer adjustable levels of darkness. Aside from the helmet, other safety equipment include a welding jacket and sleeves which protect the welder from bits of hot metal, specialized welding gloves which prevent a person from heat injury and a leather apron.

 

Also known as arc welders, stick welders are the most basic type of welding equipment. Consisting of a small machine that is able to produce AC/DC current used to heat a small coated stick electrode made of steel, these devices also have a ground clamp that completes the circuit. There is also the Metal Inert Gas (MIG) welding tool which makes use of only Direct Current (DC) along with a filler metal to make welded joints. The filler metal is fed into the torch during the welding process from a roll of wire. Aside from these welders that make use of electricity, there is also the engine driven welders that make use of Liquid Petroleum Gas (LPG), diesel or gasoline to function and are commonly used in construction sites. Resistance welders are another type of welding equipment whereby two electrodes are placed on either side of two overlapping metals. The heat generated by electricity is used to fuse these two electrodes together. Automobile construction often makes use of this type of welding process. Often used in MIG welding techniques, welding guns direct the motion of the wire feed during the welding process and are operated by a trigger.

 

There are several types of welding equipment in the market today and selecting one that suits the job can be difficult. Thus, a person should first research on the internet and try to find welding equipment providers. These professionals would be able to provide advice on what time of welding equipment would be ideal for a specific job, as well as the additional materials that would be required such as the safety gear or the filler for some welding accessories.

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