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What are Different Types of Welding Machines? What to Look for When Buying a Welder

What are Different Types of Welding Machines? What to Look for When Buying a Welder

Welding has been around for a long time – it is one of the most important metalworking techniques used – so there are many options to choose from when picking a welding machine. The market is so big that any person can find the best match for their needs and preferences, but one does have to know what to look for in order to get a top-quality product at a reasonable price without sacrificing too much on flexibility or user-friendliness.

In this article, we will try to provide a comprehensive guide to the most important things you should be looking for when buying a welding machine, and we hope that with this information, you will be able to make the right choice.

Three Popular Types of Welding Machines

A good place to start is by learning about the three main types of welding machines: arc welders, MIG welders, and TIG welders. These three welding techniques are the most common, although there are subtypes of each of them which are used for different things.

For instance, CO2-based arc welding is perfect for metals with high heat conductivity since it’s easy to control and doesn’t make a lot of sparks or spatter, which can damage the workpiece. In addition, it also uses a direct current electrode negative (DCEN) which means that the welding rod is connected to an electrode that has a positive polarity – this makes it easy for beginners.

In contrast, CO2-based MIG welding produces constant spatter and sparks when in contact with the workpiece, but it works well for metals with lower heat conductivity and also for those which are more delicate. It’s a good practice to use the alternating current electrode positive (ACEP) technique when using a MIG welder, as it produces a nice bead without making too much contact with the heat source.

Finally, miller tig welder or TIG welding is ideal for working with metals that have a high heat conductivity since it uses gas to actively protect the weld pool, but it’s also one of the best techniques when working with many types of metals.

Buying a Welding Machine: What You Need to Know

I understand you can get overwhelmed by the sheer number of choices. There is a plethora of mig welders for sale and tig welders for sale, so much choice. Before you start your hunt for a plasma cutter for sale, mig welder, tig welder, or anything welding related, you have to think about some things. The following information is sure to help you make the right decision.

An excellent feature to look for when buying a welding machine is the duty cycle, which tells you how long it can be used on full power before having to cool down for a while. This is an important factor to look at when you are doing professional welding or when your machine will be used continuously (for instance, on a production line).

On the other hand, for guys who like to do welding as a hobby or occasionally as a side job, this won’t be as important – but it’s still a good idea to take power consumption into account, so you don’t blow your circuit breaker.

Of course, since all welding machines are quite expensive, it’s necessary to keep in mind the price-quality ratio. The last thing you want is to purchase something that breaks down after a few uses!

To ensure you get the best machine, it’s recommended to read what other buyers say about it – this way, you can get valuable information that will help you choose the right model for your needs. 

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