There are many models of Tig wielder on the market. For a first time buyer, this can be overwhelming and confusing. No need to worry, though. Here are some things you should know before purchasing one.
#1: Basic or complex?
You need to know whether you need a basic or complex welder. There is a big difference between small hobby type machines and high-tech professional Tig welders. And it is not just about price. To work out which one will suit your needs, you should decide how much power is required first. You need to think about not only the job at hand but also how you will use it in the future. Is it going to be a basic machine cut in a year’s time? Or perhaps you need something more complex?
#2: Power output
Will it be AC or DC power? Indeed, the power source you need will depend on the metals you are welding. You will need a DC output if the metals are steels and stainless steels. If they are magnesium and aluminum, you will need an AC output.
#3: Tig only or combo?
You can get combination machines that offer both constant current (Stick and Tig) and constant voltage (Mig and flux cored nowadays. However, if you are focusing on just Tig welding, Tig only is your best option as it delivers the best results.
Yes, location. You should think about where you will be using the tig welder. You should also think about whether you will be moving it within or beyond the workshop. If it is mostly for indoor usage, you will not require a portable machine. Indeed, you can rely on a welding trolley to move the machine from one place to another. If, however, you are working out and about, portability is a crucial factor. The good news is, there is a wide range of inverter and engine-driven welders you can choose. Generally, the inverter welders are lighter and more portable, compared to their conventional counterparts. On the other hand, the engine-welders typically combine a welder and generator in one.