| When a bolt or a nut needs to be welded onto a | | | | panels and in construction of ships or buildings. |
| different metal part, stud welding is used; this is another | | | | There is one type of stud welding that is different than |
| form of the process known as spot welding. Spot | | | | the regular type because it doesn't need flux to make |
| welders are usually automatically fed the bolds. These | | | | it work. This type is called capacitor discharge stud |
| types of weld nuts have a flange and the flange has a | | | | welding. Because this type doesn't need to have the |
| smaller nub that is able to melt and create the weld. | | | | heat concentrated it lets the weld happen quickly and |
| On studs there is also a part that is un-threaded and | | | | there it has eliminated most of the oxidation. |
| necked down which also helps in the melting of the | | | | The capacitor discharge stud welding is most often |
| stud. | | | | used when you have small diameters that need to be |
| Stud welding is another form of arc welding and it | | | | fastened to a thinner base metal. The arch stud |
| brings a piece of metal and a stud to join together. In | | | | welding is usually used for the larger diameters that |
| most cases there is a flat plate that the stud is joined | | | | need to be fastened to metals that have a thicker |
| to and the stud works as an electrode. There are | | | | base or that are rougher in texture. |
| different polarities for this process that are determined | | | | There are many advantages to using stud welding and |
| by the type of metal that you are going to use. The | | | | some of it is for appearance. With stud welding you |
| different steels tat you use will require a different type | | | | can produce a uniformed look because the energy |
| of current. | | | | that is used to create the weld is monitored and |
| The way that this is done is through a weld gun where | | | | controlled meticulously so that the amount of the |
| you place the stud against the metal and then an arc | | | | energy used is consistent. This makes the weld strong |
| is created and it melts the stud and part of the area | | | | and consistent. |
| where the metal is located. The stud is pushed into the | | | | You can also use stud welding with a variety of steels |
| pool of molten metal and it stays in place until the two | | | | including aluminum, stainless steel, copper, brass and |
| materials are solid again. This happens within | | | | even zinc. Some of the more exotic steels can also |
| milliseconds and makes a very strong connection weld. | | | | be used in this process. This process also eliminates |
| This can be a portable process with the help of a | | | | the need to do anything extra to the holes like drilling or |
| portable stud welding machine. This is a very flexible | | | | tapping and the surface metal will not have to be |
| type of welding and can be used in automobiles to | | | | touched up by polishing; this method does it all. This |
| work on the bodies, it can be used to weld electrical | | | | makes a very strong connection. |