MIG Welders For UK Professionals & Hobbyists
Weldtech provide a carefully chosen selection of MIG welders. Models include; inverter, gas and gasless MIG welders. These welding machines give you cost effective choices. From basic hobbyists’ MIG welders, right through to heavy duty industrial 3 phase MIG welders, we have a MIG welder for you.
Your choices of MIG welding equipment include well-known brands such as ESAB, Kemppi, Parweld, SWP & i-Tech. You will find an ideal solution for your requirements on this site. Whether you are looking for a 240V domestic mains powered device for the garage or a heavy duty solution. Heavy duty equipment is ideal for the fabrication workshop or mobile welding repairs on farms and building sites.
Buying Advice for MIG Welding Machines
Please do feel welcome to contact us for advice on your choice of welder. MIG Welders are the most popular welding machines we sell.They are relatively easy to set up. The operator only needs to learn a couple of skills to get started.
The first skill is knowing how fast to move the torch along the weld. Then users need to learn how to get the ideal arc length for the weld. This depends on the metals being joined and the thickness of the workpieces.
MIG Welders are excellent choices for joining mild and stainless steels. They can also be used for joining aluminium. This is a considerably more skilful application than for steel.
The Advantages of MIG Welders
- Fast Welding
- Ease of use
- Cost effective
The Disadvantages of MIG Welders
- Harder to ensure weld quality
- Potentially hard welds
- Mechanical problems if wire feed mechanisms are not well maintained
Finding the right balance
With any arc welding machine, there’s a balance to strike between cost and quality. A hobby MIG welder won’t join the plates of an oil tanker… running off your single phase garage socket! By the same token a 415 Volt industrial welder might not be the best choice for some fine mild steel welded sculpture.
Choice of torch options is also important in selecting MIG Welders. Some MIG Torches are more or less permanently fixed to the machine and wired in. They tend to be more expensive to replace.
Most MIG welders are compatible with Euro MIG Torches. These are preferred on workplace MIG machines. Quality is better and the Euro fitting means they can be swapped out quickly. These MIG Welders are built with a Euro Socket on the front panel for the torch leads to screw on with a hand nut.
All the equipment we supply is manufactured to comply with EU standards and they all carry UK Warranties.
What Is the MIG Welding Process?
MIG (Metal Inert Gas) welding is a relatively fast welding process compared with other processes like stick welding. It uses a consumable wire electrode on a spool. The electrode is fed continuously through a sleeve on the welding torch.
The electrode is surrounded by a flow of inert gas (usually argon or an argon / carbon dioxide mixture) to stop the metals oxidising. The gas also flows through a nozzle built into the torch.
When the arc is struck between the electrode and the workpiece, it heats the workpiece metal, allowing the two sides of the joint to melt, forming the weld pool that flows into the gap.
Meanwhile, the melting metal of the electrode is run in, to fill the gaps and hollows that appear to produce a strong, even weld. (This is the same process that our American cousins call GMAW welding aka Gas Metal Arc Welding).
Some MIG welders are termed gasless MIG. These no-gas MIGs use flux cored wire to protect the weld.
This makes them useful where it's hard to get welding gas supplies. They are however smoky and it can be hard to see the weld clearly.
The main application of gasless MIG is outdoors or even underwater! The process carries the risk of slag being trapped within the welding bead.