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8 Tips for Welding Like a Pro | Articles

admin by admin
January 6, 2023
in Motorcars


Over the years, Carl Heideman and his crew have taught hundreds of people to weld at his hands-on workshops at Eclectic Motorworks. We asked him to share with us his recommended best practices for executing clean, perfect welds every time. The welds in this story were performed by 15-year-old Jack Heideman.

We’ve seen the good, the bad, and the ugly, and the truth is this: Much of the difference between good, bad and ugly welds is pretty subtle. Good welding isn’t magic; it’s really just a matter of discipline and practice. We’ve found that by teaching some pretty simple techniques, bad and ugly welds quickly turn into good welds. 

The most important area for discipline and practice is around the welding stroke. A good, straight, consistent stroke will make nearly all welds great. While that stroke just comes naturally for some people, for most it takes some real dedication. Just like an athlete practices regularly, so should a welder. 

Follow along as we show you the best techniques for a good welding stroke. Practice them yourself and develop your own consistent, disciplined approach to welding. 

Tip #1: Hold the Torch at the Correct Angle

Hold the torch as close to perpendicular as possible. Tilt it just enough so that you can see your line and the weld puddle. Generally, that’s about 15 degrees off perpendicular. Too often, we see welders holding the torch in a lazy manner, causing it to settle down to around 45 degrees off perpendicular. That angle won’t evenly distribute the shielding gas.

This lazy grip is far from ideal.

This is a good grip on the torch.

Tip #2: Properly Space the Torch From the Weld Puddle

Once the torch is in the correct position, it needs to be the right distance from the weld puddle. The general rule is to hold it as close as possible without dipping it in. That’s usually about 1/8 to 3/16 of an inch. Often people start too far off, or gradually pull the torch away as they lay the bead. We commonly see our students ending a welding stroke 1/2 to a full inch away from the bead, and that’s a formula for bad and ugly welds.

A lazy stroke typically ends with the torch too far away from the work. No good welds come from this.

The torch should be right down on the work, just fractions of an inch away.

Tip #3: Clean the Work Area

Cleanliness really counts for a quality weld. This is something you can practice, too. Before every weld, clean the weld area thoroughly with a wire brush, and clip off the dirty blob at the the end of the welding wire so you can start clean. Clean the joint very well before every weld.

Tip #4: Snip the Wire Before Welding

Before laying down a new bead, snip the wire blob that remains from the previous pass. Ideally, just about 3/16 of an inch should poke out. Not only does this keep the weld joint clean, it helps get the torch the right distance from the work.

Starting with a dirty surface and a blob at the end of a wire that’s sticking out too far is a surefire formula for a bubble-gum weld.

Tip #5: Practice Your Strokes

Just as a tennis player practices serving, a baseball player practices throwing and catching, and a soccer player practices kicking and dribbling, so should a welder practice making a good stroke. Before every weld, a couple of practice passes will ensure a good stroke every time.

A good practice stroke will scratch the wire along the weld path. Not only does this make sure the weld stroke will stay on course, but scratching the wire will prevent the torch from lifting as the stroke progresses. One practice stroke helps, but two or three are even better for developing muscle memory that will really make for an accurate weld.

In order to keep that stroke on course, you need to see what you’re doing. A good helmet with a very clean lens is a good start, but good vision is something that can be practiced as well. If you can’t see, you can’t weld. As you’re welding, make sure you can see the line and puddle well. If you can’t, adjust your helmet, the position of your head, or the lighting around your work until you can. Good sight is just as much a practiced discipline as a good stroke.

Tip #6: Clean Your Lens

It’s common sense, but a clean lens is easier to see through than a dirty lens. You can use household glass cleaner and a tissue.

Tip #7: If You Need a Magnifying Lens, Get One

Magnifying lenses can help a lot. If you’re having trouble seeing, get one of these lenses from your welding supplier and find out if it helps your sight. They’re available in standard reading glasses magnifications, starting at +1.00 and going up 0.25 at a time.

Tip #8: Stop When There’s Trouble

The last discipline to practice is the one we see violated the most: Stop the instant you know something’s going wrong. Too often, people think they’ll correct their welding problems on the fly. Experience has taught us that this practice usually makes a small problem worse. A better practice is to stop immediately. Next, analyze what happened, consider the corrective action, clean and clip, and then move along.

On this weld, a small hole developed and the welder tried to correct it on the fly. The result: a big hole and a big helping of frustration.

A small hole is easier to fix if you stop right away—before it escalates into a bigger hole. After stopping, this welder went on to finish the rest of the work. Then, after some cleaning and a good, disciplined stroke, the hole was easily fixed.

Like what you’re reading? We rely on your financial support. For as little as $3, you can support Grassroots Motorsports by becoming a Patron today. 

 





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