Gas metal arc welding was originally made for weld materials such as aluminum, copper, brass, tin and lead. It was also used on steels, but shielding gases were highly expensive in the early 1900s limiting GMAW’s use on steel. It wasn’t till the mid 1900’s for GMAW to really take off. There were many different variations of arc-length, electrode size, and power supply units. Since the MIG welder is so versatile, there are many different types of things to make this piece of equipment.
The MIG welder is simply made of five basic parts to complete the task of GMAW. No matter what on any MIG, you need to have a welding gun whether it is spooled by the machine or contains a mechanism to spool from an electrode spool mounted on it. Your welding gun consists of many parts that make GMAW possible. First off it consist of a trigger that when pulled starts the feed of electrode, gas, and initiates power to your contact tip. Your contact tip is highly conductive, usually made of copper, and is connected to the power source. Once you pull the trigger your contact tip is then contacting your electrode wire making it possible to strike an arc. The welding gun also consists of a gas hose that is ran from your machine that leads to a gas diffuser usually behind your contact tip. It then exits into a part that goes around the contact tip and diffuser known as the gas nozzle. The gas nozzle is there to evenly direct your gas into your welding area.
Next you have to have a power supply to ge...
... middle of paper ...
...mmonly we use an electrode close to our material’s thickness and also keep arc length longer sometimes to keep heat input to a minimum. When welding body panels we weld not in one spot, but around the entire replacement panel to insure not heat warping which saves time in the end. GMAW works really well on replacement frame parts for unibody cars and even on aftermarket add-ons such as sub-frame connectors. You can also use GMAW to repair fractured or rusted suspension parts such as radius arms and brackets.
Depending on your material type and thickness GMAW can be a very good choice of welding style. It has a wide variety of materials it can be used with and get in a lot of tight spots easier than other types of welding. To this day the GMAW is one of the most favorable welding types especially in industry subjected jobs, the automotive industry for example.
Need Writing Help?
Get feedback on grammar, clarity, concision and logic instantly.Check your paper »
- Welding and safety Welding is the process of joining metals together; there are many forms in doing welding. There are many things that have been created that have a welding process somewhere in the making for example these are a couple of things that have had welding done to be made, cars, planes, trailers, and many more things that are smaller like: metal chairs and metal tables. It was a long time before ancients had discovered a method that was made for joining metals. Workers in the ages of iron and Bronze Age began to solve the problems of forming, casting, and alloying metals (Larry Jeffus).... [tags: Welding, Arc welding, Gas tungsten arc welding]
1538 words (4.4 pages)
- Basic Welding Processes Some of the very basic processes of welding include: Gas metal arc welding, shielded metal arc welding, gas tungsten arc welding, and oxyfuel gas cutting. These processes are so unique in certain ways that it is easy to forget about all the dangers that come with welding. When there is a finished weld that is so beautiful from a process that is not really desirable, that is when it is easy to forget. “Oxyfuel gas cutting (OFC) is a process used to cut metal by rapidly oxidizing it.” (Bowditch, Bowditch and Bowditch 259).... [tags: Welding, Arc welding, Gas tungsten arc welding]
758 words (2.2 pages)
- Many people may enjoy the smell of burning metal fumes but i most certainly do not!. This can be one of many problems when one is pipeline welding. I should do welding manufacturing over pipeline welding. Pipeline welding has many more disadvantages than welding manufacturing has on my body, social, and family life. What is welding some may ask. “Welding is the use of brazing or soldering to join together or split apart pieces of metal.” Says miller electric inc. The First recorded forms of welding was from the bronze age when metal boxes were made by “pressure welding lap joints together.” In medieval times welding was used by hammer to forge weapons of different types.... [tags: Welding, Arc welding, Gas tungsten arc welding]
1333 words (3.8 pages)
- Body What Is Shielded Metal Arc Welding Shielded metal arc welding is a manually operated welding process in which an electric arc is used to generate the heat required for welding. Shilded metal arc welding (SMAW) also known as stick welding, is a method used to join various material in a variety of applications and job locations. “SMAW is one of the oldest and most popular methods of joining metal. Moderate quality welds can be made at low speed with good uniformity” (“Welding”). It is one of the most basic and versatile welding process.... [tags: Welding, Arc welding, Gas tungsten arc welding]
1652 words (4.7 pages)
- Welding Created a New World Welding is literally building a new world. The world would not be the way it is today if it was not for welding. As you look around, almost everything you see may have been welded. Welding has changed our world in numerous ways over the last hundred years, and continues to do so with the new advances and groundbreaking ways to weld. Welding is an art, science, and high paying career all in one. Welding is the most effective way to join two pieces of metal, it is the only way to join them so they act as one.... [tags: Welding, Arc welding, Gas tungsten arc welding]
1185 words (3.4 pages)
- Welding whether its tungsten inert gas, metal inert gas, stick electrode arc, or oxyacetylene torch welding, welding is an incredibly freeing art. Welding allows you to create unlike any other form or sculpting or building process. It is not only an art it is also a building method and is very commonly used in the construction industry to build very strong rigid structures. Welding is the process of melting metals together to form a bond. There are usually three pieces of metal you must fuse to weld.Those are the two pieces of base metal along with a filler metal.... [tags: Welding, Arc welding, Gas metal arc welding]
1230 words (3.5 pages)
- GMAW (Gas Metal Arc Welding) is more economic; Springer reports that “ GMAW is an economic process because it has higher speeds and higher deposition rates than manual arc welding. There is also no need to constantly change electrodes” ( Page 11). GMAW has a higher speed, which means that you can get the job done faster. It also has high deposition rates which makes the weld look clean and smooth.” This method can be used for a high range of work, but it is not suited for repair work because of it’s weld quality” (Page 4).... [tags: Welding Essays]
1389 words (4 pages)
- The earliest evidence of welding dates back to the Bronze Age. The earliest examples of welding that have been found to date are welded gold boxes belonging to civilizations that thrived during the bronze age. There is evidence supporting the fact that even the Egyptians developed a form of welding. Several of their iron tools were made by welding. During the Middle Ages, a set of blacksmiths came to the forefront, crafting tools, weapons and other necessities. Blacksmiths of the Middle Ages welded various types of iron tools by hammering.... [tags: welders, blacksmith, welding methods]
2283 words (6.5 pages)
- Visual light microscopy provides a relatively inexpensive and quick way for someone to observe features in a sample such as layer shift in composites, porosity in ceramics, or cross sectional views for welding. In fact, VLM is often a go to means for engineers and scientists to examine the microstructure of materials. Unlike other processes such as scanning electron microscopy (SEM) there is no requirement for sample preparation beyond using slides or hot/cold mounting procedures along with relatively simple grinding and polishing procedures.... [tags: Welding, Arc welding, Gas tungsten arc welding]
949 words (2.7 pages)
- Welding is a process used to join metal parts by producing a coalescence, called a weld, at a joint. Advances in welding technology have opened the way for innovative designs in structures and machinery. Of modern welding processes, the greatest number fall under the general classifications of arc welding, gas welding and cutting, resistance welding, and brazing. Tungsten Inert Gas (TIG) welding is one of the arc welding methods. This method is suitable for many kinds of metals, but especially for welding of stainless steels, aluminum and magnesium.... [tags: History of TIG Welding Uses Research Paper]
1472 words (4.2 pages)