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See The Benefits Of Welding
Safety
Welding is much more than taking two joints and
soldering them together. It's a precise trade
that requires proper training and education to
perform safely and accurately. There's nothing
"simple" about welding and, in fact, it can be
quite a dangerous undertaking. Considering this,
welding safety, including proper gear such as
welding helmets, is vital for getting the job
done right.
The process of welding is especially dangerous
for the eyes. This is so for several reasons,
including the brightness of the arc, the
ultraviolet and infrared rays it emits and the
fact debris can sometimes fly loose. Inasmuch,
no smart welder gets started without a good
helmet.
Knowing you need a welding helmet and choosing
one that's appropriate for you can be two
different things. The sophistication of the
helmet needed will, of course, depend on the
type of welding being done and how often you
need it. If you just need to do a solder once in
a while, a basic helmet will do. A pro, however,
will likely want a more sophisticated piece of
protection.
Here are some features to look for in a helmet:
* Comfort. A welding helmet should be
comfortable to wear and lightweight. If it's not
comfortable, or reasonably so, it can get in the
way of the job, which can lead to accidents.
* It should be easy to use. A helmet should not
be so difficult to use that welders try to avoid
them or go without them when making a solder.
* Visibility. Being able to see what you're
doing while working a weld is vitally important.
The helmet should not block all fields of
vision.
* Degree of protection. Welding shields must
block ultraviolet rays to be considered
effective. These are not sunglasses and the arc
you're dealing with won't even begin to compare
to a 100-watt light bulb! They should also block
infrared wavelengths.
The type of helmet necessary will depend on the
job being done and the kind of weld being made.
Depending on the materials, lung protection
might also be needed as some fumes created
during the welding process are toxic. There are
some other features welders can look for in a
helmet to help them with more advanced jobs.
They include:
* Auto-darkening helmets. These are great for
shop situations where being able to see more
clearly when the arc hasn't been struck is
important, but taking a helmet on and off isn't
always practical.
* Solar and battery powered helmets. These help
control the auto darkening features on some
helmets and some other processes as well. Either
is suitable, as long as a solid helmet is
chosen.
* Fixed and variable shades. The fixed offers a
single darkness factor on the shade, the
variable allows different settings to be chosen.
* Other features in helmets can include:
adjustability to make it easier for a person who
wears glasses to find a comfortable fit, sensor
bars to assist in determining when a helmet's
features should be automatically turned on,
curved shields and so on.
The key to welding and doing it safely is to not
only understanding the process and the
equipment, but to also have a good helmet. The
helmet is vital for protecting the eyes and the
face from harmful light rays, burning and flying
debris.
Source: Free Articles
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