One of the first things I learned as a beginner is that whatever you are welding, it must be well grounded, or your welds, consumables, and everything else will be compromised.
So how do you ground your welder? Welders are usually earthed using a grounding clip, usually made of copper or brass. This is done to complete the circuit and allow the welder to create an arc. Without good grounding, it can affect the quality of the weld and consumables, or even stop you from welding.
It is vital that the welder is earthed before you start work. If you are unsure why you need to ground your welder, read on.
Grounding the electrical circuit is a very common safety practice and this is the main reason for grounding the welder. Maintaining proper grounding in an arc welding setup is essential for safety in the workspace. Another reason for earthing is to improve the quality of the weld. All your welding current will pass through the fixture.
This means that if you have a poor connection, the performance of the welder will be compromised, resulting in a lower-quality weld.
Earth Clamp HBEC-511
Grounding the welding machine is as simple as placing the ground clamp on the workpiece. It is always a good idea to ground the clamp to clean the metal and as close to the welding position as possible.
Inside most clamps, there is a grounding strap connected to the lug. Once that contact plate burns out, the clamp will not be as effective and you will need to replace your clamp. Some of the larger clamps are made entirely of conductive material with spring-loaded jaws to aid connection.
If you are lucky enough to be working on a metal bench, you can fix the floor directly to the bench where it is clean and out of the way. Make sure you don't lean on the clamp while welding or you could get an electric shock!
Welding Machines
One of the important things to know is where to place the earth clamp when welding. The earthing clamp (grounding clip) needs to be attached to the substrate you are welding. It also needs to be close to the area where you are welding. In fact, you can even clamp it directly onto the plate where the workpiece is located; just make sure you don't clamp it to anything leaning against the wall.
A metal workbench or table is also a good place to put the clamp. If your work doesn't touch that metal table, again ...... can simply clamp it to your workpiece. The closer to the area you are working in, the better.
You also need to make sure that your mounting clamps are on clean metal. If you don't have the metal ready, it will be a very poor connection. Make sure it is free from rust and paint. Without this extra protection, you may be shocked and the quality of your weld may be poor.
Earth Clamp HBEC-514
Extra care needs to be taken when soldering automotive items. You must not clip the earth wire to the heel.
If you do so, you could damage the wheel bearings. Newer cars also tend to run on power at all times, even if they are left idle without the key or ignition. For added safety, you can loosen the battery before welding or disconnecting the alternator.
In any case, MIG welding is usually very safe. You just need to make sure that you don't let the battery leads touch the bodywork when you disconnect them.
High-quality ground clamps will improve the quality of your welding and make it more enjoyable. The fewer things that go wrong, the more you can focus on setting up your welder correctly. Not only that, but a well-grounded welder will ensure that you are as safe as possible.
Earth Clamp HBEC-514D
The beauty of grounding clamps is that once you know how they work, they are very easy to use. Always make sure you have a clean piece of material to clamp onto. If you are using old or repainted material, you should also clean a small area of your project to ensure you get the best ground possible.
Once you have mastered the art of grounding and working leads, you will be better able to lay down some quality welds and, most importantly, you will be able to do so in a safer manner. Always read the manual on your welder carefully before using it as it may be different from what you are used to and it is always worth being safe rather than sorry when electricity is involved.
If you have any tips on grounding your welder or would like to recommend a brand of grounding clamp to other welders, please do not hesitate to contact Hebei Machinery directly.
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