Which welding is best cheap
Would you like to carry out small repairs on your car yourself and are wondering which welding machine is suitable for this? No problem. In this specialist knowledge article, we will introduce you to four welding processes that have proven themselves in automotive welding and explain their advantages and disadvantages.
Note: If you are unsure or have any questions, you can also contact TÜV / Dekra directly and clarify the details in advance.
This article provides information on the following topics:
MIG / MAG welding in the automotive sector
In MIG / MAG welding, an arc is used to create the wire electrode, i.e. your Filler metal, melts through heat. A welding process gas protects the weld pool and the arc.
The process is very popular in the automotive sector for various reasons: It is suitable for processing very thin sheet metal. In addition, arises no slag, so that you save a lot of time in post-processing and at the same time protect the body parts of your car. Even if you do not have a lot of experience in welding, you can approach the process with a clear conscience. In doing so, serious mistakes that damage your car can hardly happen. However, we recommend one thorough preparation. You should remove oils, rust, paint residues and dirt deposits before you start welding.
TIG welding in the automotive sector
TIG welding is part of gas shielded welding. You use a Tungsten electrodethat does not melt during the welding process. However, we recommend that you sharpen the electrode more often.
Experts in the automotive sector in particular rely on TIG welding because it offers two advantages over MIG / MAG welding: On the one hand, it creates a low material distortion and you can do a lot clean, narrow weld seams pull. It is therefore particularly suitable if you want to do fine-tuning on your car parts. You can also create flat seams that you can precisely monitor.
The same applies to the TIG process: One careful preparation is essential. First remove all oils, dirt deposits, paint residues and rust that has developed. If you are not yet practiced in TIG welding, we recommend that you first practice a few hours before you start welding on your car.
Welding with cored wire in the automotive sector
Cored wire welding is often an inexpensive and uncomplicated alternative to gas-shielded welding. All you need is one 230V connection and can do without gas and premises such as a garage or workshop. This is because cored wire welding is not prone to wind and drafts. Another advantage is that the cored wire welding process with a fine Spray arc is working. As a result, there is little or no material distortion in thin sheets.
Nevertheless, we advise you to use MIG / MAG welding or TIG welding, because cored wire welding also has many disadvantages. If the welding result is positive, your seam quality is still lower than with MIG / MAG welding. With the cored wire, the risk is significantly higher that Splash than with inert gas welding. There is also slag that you would have to knock off with a slag hammer. When welding with cored wire, you cannot individually adapt the current to the material, as 230 volts are required. Especially if you are still inexperienced, you can use it Holes and Poor quality welds arise. In addition, toxic fumes are formed when welding with filler wire. So it is essential to work with respiratory protection and / or an exhaust system.
MMA welding in the automotive sector
The inexpensive MMA welding process is used in the automotive sector hardly applied. Only for welding work on frame and Support parts it is recommended. The reason for this lies in the sheet thickness. MMA welding is not very susceptible to oils, paint residues, rust and dirt deposits, but it is only used from a sheet thickness of 2mm. As a result, it is often unusable for repair work.
We hope that we were able to give you a good overview of welding methods in the field of automotive welding. For more information on the individual welding processes, we recommend our specialist knowledge pages.
Would you like to learn one of the welding processes mentioned or intensively improve your practical skills? Then simply register for one of our seminars at the Heldenschmiede.
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