If you are interesting in Welder there are many different terms that you will want to familiarize yourself with in order to read magazines or books on the topic. Here is a list of common terms that are important to know in Learn Welding :
ACETYLENE — this is a gas that you will be working with to do Learn Welding . It is a very flammable gas so you have to be careful with it. This gas is made up of carbon and hydrogen and it is used in the oxyacetylene type of welding process.
AIR-ACETYLENE — this is a flare that you can produce using low temperature. It is created when you burn acetylene with air and not oxygen.
AIR-CARBON ARC CUTTING (CAC-A) — this is a way of arc cutting where you melt metals through the heat of a carbon arc.
ALLOY — this is a mix that has metallic properties because it has at least one element that is metal, but it can have several other things in the mix as long as one is metal.
ALTERNATING CURRENT — a current that goes backward and forward at regular intervals (see DC Current).
BACK FIRE — this is the popping sound that you hear when you turn on the acetylene torch when you connect it with fire. It is created because the flame turns back into the tip for a moment and then comes back out of the torch as a flame.
Backhand Welding — THis is interresting because this is when you point the flame the weld that is already complete.
BACKING STRIP — this is a strip of material that you will use when you need to keep metal that is melted at the bottom of the weld. You may also use this strip to add strength to the thermal load of a joint so you can stop the base of the metal from warping too much.
BASE METAL — this is what you call the metal that you are going to weld or that you are going to cut. If this is an alloy, it will be the metal that you have in the highest amount.
BRAZING — this is actually several welding processes. You will use this when you have a groove, fillet, lap or flange joint that you need to bond. This will require a nonferrous filler metal that has a melting point higher than 800 degrees F (427 degrees C) but less then your base metals. Then, the filler metal will be distributed throughout the joint using capillary attraction.
DIRECT CURRENT (DC) — a current that only flows in one direction — forward.
- Flows in one direction and does not reverse its direction of flow.
DEFECT — there can be defects in your weld after you create it. The main defects you can find are things like cracks, porosity, places where the metal has been undercut, or where you have a slag inclusion.
EDGE JOINT — this is where you set two plates and put them together at a 90 degree angle with their outer edges.
Welder World is a brand new community website for weldering to connect with one another and gather free information on welding. Come by WelderWorld to get your free Ebook on Welding Basics just for joining the Welding community for free. You will find Welding Forums, Welding Blogs, Welding Community Members and more just for signing up for free to join and then you can get your free Welding EBook on Welding Basics. Come be A part of our Welding Community.
Tagged: Learn Welding, Mig Welding, Tig Welding, Welders, Welding, Welding Tips December 4, 2008
When you drive your car or look at a light fixture in the street or open your microwave, chances are that there is something in any of those items that has been welded. These products and others have been a part of the process of Welding for more years than you might imagine.
Welding actually started a very long time ago during the Middle Ages. Many artifacts have been found that date back to the Bronze Age. These have been small boxes that were welded together with what is called lap joints; no one is exactly sure what these were used for, but this was important to that time.
The Egyptians also made a variety of tools by welding pieces of iron together. Perhaps this is where Maxwell’s Hammer comes later? Who can say! People of the MIddle Ages then arrived and they were able to make use of blacksmithing for Iron. Welding today only came about from plenty of welding modifications and adjustments.
There were several significant inventions in the 1800s that influenced welding included here:
§ The invention of acetylene by an Englishman named Edmund Davy.
§ Gas welding and cutting became known and a way to cement pieces of iron together.
One of the most popular parts of welding, thanks for the invention of the electric generator, was now Arc Lighting.
The types of welding called Arc and Resistance Welding Start to gain Popularity.
§ Nikolai N. Benardos receives a patent for welding in 1885 and 1887 from America and Britain.
§ C.L. Coffin receives an American patent for a arc welding process.
After the 1800s many more patents and inventions were made in order to create more ways of doing welding but one of the greatest needs would come much later during World War I because this process was needed to create arms. Because of the demand Welding firms became a staple of America and Europe because the war needed welding machines and electrodes to go with them.
During the war people really got a chance to look at how welding worked and it became a very popular way of work. It is agreed upon that one of the first American Welding Societies was created in 1919. This nonprofit organization came directly out of through a group of men who called themselves the Wartime Welding Committee of the Emergency Fleet Corporation (Source: Miller Welds).
The 1950s and 1960s were also a significant time for welding because a Learn Welding process using CO2 was discovered and a variation of this form of welding that used inert gas became very popular in the 1960s because it produced a different type of arc.
There have been a number of improvements in the welding trade over these years and today the process has added two areas, friction and laser welding. These two have created a more specialized field and therefore more opportunities for learning.
One interesting point about laser welding is that those people who use it have found that is a tremendous heat source so it can actually weld both metal and non-metal objects.
Welder World is a brand new community website for weldering to connect with one another and gather free information on welding. Come by WelderWorld to get your free Ebook on Welding Basics just for joining the Welding community for free. You will find Welding Forums, Welding Blogs, Welding Community Members and more just for signing up for free to join and then you can get your free Welding EBook on Welding Basics. Visit and become one of our Welding Community Members.
Tagged: Learn Welding, Mig Welding, Tig Welding, Welders, Welding, Welding Tips December 4, 2008
Wikipedia defines Welding as “a fabrication process that joins materials, usually metals.” This is done by melting the part of the materials to be joined and adding some additional molten joining material. When the molten material cools, it forms a strong bond or joint.
Welding is the most widely practiced way of joining metals together due to the efficiency and economy of the process. It has been estimated that approximately 50% of the Gross National Product of the USA arises from activities that are in some for or another related, perhaps remotely, to Welding . As an example, farming may appear to have nothing to do with welding, but the equipment the framer uses to grow and harvest his crops will have used welding in their manufacturing process.
Until the advent of the 20th century, welding was confined to blacksmith shops where two pieces of metal were heated to very high temperatures in a forge and then hammered together until the joining occurred. This is what is called forge welding.
There was a point at which welding became much more easy and cost effective and that point was when we introduced electricity into the industrial world. In the world today, you can narrow things down to 4 types of welding techniques that are used most often.
· The most basic for is Arc Welder where the parts to be joined together are brought into contact with strong electrical current and heated. The molten parts are then joined together to form a weld. Most would agree that this is the cheapest and least sophisticated form of welding.
· Gas Welding is generally used for repair work especially in the case hollow items like tubes and pipes. Hot gas is forced onto the surfaces to be welded. This procedure requires the parts to be subjected to less heat and is suitable for material that may be damaged by exposure to high temperature. For this reason it is used in the jewellery industry which has to work with soft metal with low melting points.
· Resistance Welding requires that an additional sheet of material is used to cover the pieces that are to be welded together. This provides great strength to a weld, but the process requires expensive equipment and also the use of additional material to encase the weld which makes it expensive and not suitable for all applications.
· Laser Welding is the most modern technology available. High intensity lasers can be tightly focused and produce controllable heat on the surfaces to be welded very quickly. This is perfect for material which can be damaged by prolonged exposure to extreme heat. If you want small and accurate welds then you are going to want to use Laser welding as this is what its known for. However, because of the high capital cost involved in purchasing this equipment, the cost of welding is also high.
Although the perception of welding is that of a simple process of heating and joining, it is a high technology industry with huge amounts being spent of research and development to find stronger, more accurate and cheaper methods. The welding process plays a big role in metallurgy with a constant effort underway to find newer and more weld friendly alloys.
Welder World is a brand new community website for weldering to connect with one another and gather free information on welding. Stop by our new welding community, WelderWorld, and sign up for free to become a member and get your free Basic Welding Ebook. You will find Welding Forums, Welding Blogs, Welding Community Members and more just for signing up for free to join and then you can get your free Welding EBook on Welding Basics. Visit and become one of our Welding Community Members.
Tagged: Learn Welding, Mig Welding, Tig Welding, Welders, Welding, Welding Tips December 3, 2008
Vauxhall’s little Corsa started life way back in 1983. Back then it was known as the Nova in the UK and was a replacement for the ageing Vauxhall Chevette. I remember the Chevette well as my friend’s Mum owned one and we persuaded her to let us borrow it the day after my friend passed his driving test on the fourth attempt (you could tell he was a natural behind the wheel). The car was a pretty revolting shade of purple and showed a few battle scars as my friend’s Mum wasn’t exactly an expert driver either. We didn’t care though as it was the perfect opportunity to tear up the L-plates that had adorned the car for what felt like an eternity. We were then ready to hit the streets with our puny cassette radio blaring. What we did manage to hit within about ten minutes was a car full of rather large Rastafarian gentlemen who were none too pleased with the damage that we had caused to their bright orange Fiat Super Mirafiori. It took a considerable amount of diplomacy to resolve the situation but luckily we managed to escape with our dignity, and our front teeth intact. A few years later I got a job with a company that had a Vauxhall Nova “Club” as a pool car and I must admit I did not enjoy driving that thing around at all. It was not actually so bad to drive but the car was white with yellow trim and had a yellow and white checked interior that made you feel like you were driving a deck chair. This was finished off with some tasteful white windscreen wipers. It was truly hideous and I was glad the day when somebody stole it and set it on fire which was a very popular past time back in the late eighties. I’m not sure who left the keys in it making it easier to steal though. I’m sure it couldn’t have been me. Vauxhall dropped the Nova name in 1993 and adopted the Corsa title as everyone was getting confused, as indeed they always have been between Vauxhall and Opel names over the years. The more rounder Corsa B model was quite a departure from the previous squarer Nova but proved to be just as popular although the A model British Nova still has a loyal following although they are becoming rare these days. Another model which appeared was the Tigra and although based around the Corsa B did not sell terribly well. The new millennium heralded the appearance of the Corsa C model which was a more technologically advanced version of what had gone before. The new multi-purpose chassis design or "Gamma" as it became known by parent company GM could be used for other models, a system which has been used by most manufacturers. “Ecotec” engines were carried over from the previous model due to their proven reliability although a few alterations were made in particular to the old DI diesel engine which made way for the improved CDTI version. The Corsa C was a huge success in the UK consistently selling in large numbers and achieved best selling car status as well as best sales in its class of “Supermini” throughout the early part of the decade. As a result of this success Vauxhall even resurrected the Tigra again in 2004 although it is now known as the “Twin Top”. 2006 saw the arrival of the Corsa D which has a new Gamma platform that was co-developed with Fiat and also features on the Grande Punto. The latest Corsa looks and feels like a bigger car and is more refined than its predecessors. Sales have been good to date with the Corsa still ranking in the top five of best selling small cars. A clever option on the Corsa is the “Flexfix” integrated bike rack which can be pulled out from the car’s rear bumper and incorporates the number plate together with the lights; which are often obscured by traditional bike carriers.
Tagged: Automotive, Cars, Corsa, Vauxhall, Vauxhall Corsa December 3, 2008
Now that gas is almost three dollars or more a gallon, people will do anything to see some gas mileage improvement when they drive long ways from home. However, it is starting to hurt just driving back and forth to work as well. When gas prices go up, people stay home more and that means a loss for the travel industry and hotels. Along the same lines, people have to pay more for services that rely on gas like air travel and bus travel. Until the prices go down, if they ever do, you have to do a few things to save money.
The problem with gas mileage improvement is that there is not much you can do to save money other than stay home or carpool. You can keep your engine in top shape, and make sure all filters are clean and clear, but the difference is not going to add up to much. Some suggest that turning off the air conditioning and rolling down the windows will help with gas mileage improvement, but some think that having the windows down creates more resistance to the wind, and that means more gas is needed to travel at the same speed as usual.
You might want to skip the small things you can do to see gas mileage improvement, and go for the larger things that will show and immediate affect in your wallet. This means that you have to find a new way to get to work. You should find someone to ride to work with, and you can take turns driving and/or paying for gas. If you can get more than two people in on the deal, you are going to save more money. You could also ride a bike to work, but that is not always possible or reasonable for everyone.
Some are saying that gas prices are not high enough to effect true gas mileage improvement. They say that prices must get higher in order for people to make real changes and to become less reliant on gas. I can see the logic behind this, but I don’t think that is something that is fair for most people. When the gas prices go up, people begin to stay home more and that means a loss for the travel and hotel industry . It would only serve to hurt those who are not wealthy and destroy the economy.
Tagged: automobiles, Cars, Economics, finances, Misc, money, people, trucks December 2, 2008
SUV fuel economy is not exactly legendary. A matter of fact, SUVs are known far and wide as some of the biggest gas guzzlers that are. So when one of my friends announced that he was looking for the best gas mileage SUV rating, I was a little bit surprised. It didn’t really make any sense. If you’re going to buy an SUV, you giving the world a certain message: luxury matters to me much more than efficiency. Of course there are certain SUV companies such as Subaru which specifically market to hippies and other supposedly environmentally conscious folks, but even these are not known for being tremendously energy-efficient. As a matter of fact, the SUVs are well known far and wide as some of the biggest gas guzzlers that there are. I wanted to find out more about the best gas mileage SUVs.
The real problem is that the category SUV is pretty flexible. Although they are supposed to be rugged vehicles equipped for off-road driving, the reality is much different. Many of them are simply status symbols for people who like to show off. They are roomy inside, high above the ground, and big enough so that if they get in crashes, the other car takes the worst of it. That isn’t to say that SUVs are safe. Even the best gas mileage SUV won’t save you from a rollover crash, and that can be fatal. Nowadays, many of the design flaws inherent in sport utility vehicles are being corrected, but I still wouldn’t trust one with my life without doing a lot of research.
The biggest problem with this project, of course, was coming up with a definition for what an SUV is. A car like the Saturn Outlook, for example, might be considered an SUV but might not. Would a crossover car qualify for the best gas mileage SUV? It is pretty hard to tell, and my friend couldn’t decide.
In a lot of ways his whole project was a waste of time. It did have one good effect, however. Researching the best gas mileage SUV really got him thinking. For the amount of money that he could spend buying a new SUV, he could get something that was really fuel-efficient such as a Honda hybrid car. He came to realize that he didn’t really need an SUV. He didn’t have much to carry around, and he didn’t go off-road very often. Instead, he invested his money in a fuel-efficient car. It might not be as big and overbearing, but it is a better investment in the long term.
Tagged: automobiles, Cars, Economics, finances, Misc, money, people, trucks December 2, 2008
In today’s world, the skyrocketing prices of gasoline makes a huge dent in your expenditures, and we are always looking for ways to improve this situation.
Who enjoys spending a large amount of their hard-earned money on gasoline?
Nobody of course!
Wouldn’t it be amazing if you knew some tricks to help improve your current gas mileage so you can save some of your hard earned money?
In order to do this, you just need to keep in mind these simple solutions, realise their importance, and utilise them in your daily routine.
Here is a list of some of these important points:
Change the way you drive: this is the easiest way to save a lot of money as you don’t need to spend anything to make this method work; all that is required is to bring a few changes in you and see it showing wonderful results.
You must learn to slow down on freeways. You should not drive at high speed especially
when you are going on a short trip. Make a conscious effort to maintain your speed and use your brakes as minimally as possible.
Drive when it is cooler outside: driving at such a time will reduce the stress on the vehicle and that will help you increase gas mileage.
Coasting to stop signs and lights: if you drive fast and stop right at the last moment, you are using more gas than what is actually required. It is always better to coast up to a light or stop signal. You should use this tip to coast downhill also, whenever possible.
Use the traffic to your advantage: when you are driving at high speeds, it is better to drive behind a big vehicle like a truck. Don’t forget to keep a safe distance in doing so. When you drive like this, you reduce the wind resistance and this can increase your mileage by 5% to 10%.
Take proper care of your vehicle: your vehicle should be properly maintained if you want good results in mileage improvements. Make sure that the tyres are properly inflated and check that the air filter is not dirty. Even doing these little things will make a massive difference.
Get timely oil change and tune ups done: they are a must for the improvement in mileage of your vehicle. You must get it done every 3,000- 4,000 miles.
Use water to run your vehicle: yes it is possible to do so! Water is known to be a cheaper and better alternative to expensive gasoline. HHO generators are put in the vehicles that use water. It helps to save your hard earned money and is also beneficial in fighting global warming. The HHO gas extracted from water reverts back to its original state when it exits your vehicle. This method causes zero pollution and is affordable too.
You can follow any of these methods and enjoy the benefits of improved gas mileage.
The added advantage is that any of these solutions are successful in all vehicles, whether it is a car, truck, SUV or anything else.
Tagged: convert car to hybrid, cruise control save gas, fuel from water, gasoline alternative, how to save gas mileage, hybrid vehicles, hydrogen car, hydrogen fuel conversion, hydrogen natural gas, hydrogen powered car November 30, 2008
Need to buy a used auto online, but are unsure of how to get started? The Internet is a big place, and has numerous resources for used car buyers, but you need to know where to look to find the best deals.
First of all, you can find used car listings on your local newspapers website. These are nice, because they are all typically sellers in your local area which makes it easy to stop by and take a test drive, which is critical for getting the best possible deal on a used car.
Stepping out a little more, you can check online classifieds sites, such as Craigslist, which will expose you to a broad range of sellers, many of whom will be near you, though not to quite the same extent as a news paper might. These sites can be gold mines, though, so be sure to give them a look.
If you’re looking to broaden your scope further, try sites like eBay Motors, which brings sellers from all over the country into one convenient location. These listings are both auction format and fixed price, so you have multiple buying options. These sellers will be located all over the country, but you can search for listings that are in your area. What's more, eBay offers some basic protection for its buyers, which helps prevent major rip-offs. Something worth investigating, for sure.
If you’re looking at a very specific model of used car, try search on car enthusiast forums. For instance, if you want to buy an early 90s Nissan Z car, then check out some Z car forums to find some sellers. Buying from these sorts of sellers can be great, because they are often very knowledgeable and passionate about the cars. You will be able to get a really good idea as to the condition of the car if you go with a seller like this.
There are many other places to find used cars online. As it turns out, many sites offer car listings. However, the places I’ve listed above have the highest amount of listings, and are thus the most “bang for your buck” locations for buying a used car online.
As always, be careful when shopping online. Don’t throw away your common sense, and make sure that you’re getting a good car at a fair price. If you do your research, check multiple sources for pricing, and check the car over thoroughly for buying, you can certainly buy used cars online and get great deals for it.
Tagged: auto, car, used auto, used car November 29, 2008
paintless dent removal
Car dents are not my cup of tea by any means. Car dents lower from the value of the car, both monetarily and aesthetically. It was no wonder I was completely freaked out when I saw the most latest dent in my car. For one fact for sure, car dents—no matter how small, can cause the vehicle to look like trash and for another—it is not as if I extra cash to throw away.
Car dent repair can be pricey and I wasn’t very sure that I could afford to have mine repaired, but I didn’t want to drive around in a dented car either. Car dents have a way of multiplying.
I was looking around for a auto repair shop and calling to get prices when I found Dent Masters. Looking through the website I was delighted by 2 things:
1) that their dent removal method was explained so comprehensively on their site and
2) that they agreed to have one of their technicians come down to my house and repair the dent for me. Who doesn’t love a business that comes to you instead of forcing you to go to them?
Needless to say, I hired them straight away
Here is the way the dent removal approach works. Dent Masters utilizes an approach called Paintless Dent Removal, or PDR. It is a technique by which the dents are removed without using tools that require the car to be touched up or refinished. The people at Dent Master use specialized tools to work on the dent until the dent is totally removed.
Paintless dent removal used to be limited to only small dents but now it can be fix larger dents as well as including dents that would usually require some major body work to repair. The PDR specialists can even fix dents that has been done by hailstones.
The PDR specialist who came to my house was pretty nice and talked to me the entire way through the process and when he was done with his work (which did not take nearly as long as I thought it would) my car looked like it had never been dented at all! I had feared that there might be some residual damage—a couple of small scratches in the paint from the tools for example, but there was none!
After reading up a a bit more on Dent Masters, I realized that their company has been around for over thirty years and it comes as no surprise. When you see how this method works, you wouldn’t thinking of taking your car back to a traditional car repair shop ever again. Rather, you’ll make Dent Masters your first option.
Tagged: car dent repair, paintless dent removal, paintless dent repair November 29, 2008
run your car on water review
Hydrogen powered car. Doesn’t it sound too good to be true?
But it’s a fact that today this technology has seen a lot of improvement and has contributed to the invention of HHO generators that allows your car to run on water. These generators are not only used to make your vehicle move but they are also a big factor in helping to reduce the cost of operating your vehicle.
Understanding the principle on which this idea is based is the first step. We know that water is made of oxygen and hydrogen. The HHO or the Hybrid Hydrogen Oxygen generators work on the technology of using this hydrogen and oxygen.
The electricity from the battery of the car is obtained and then it is burned to produce a gas that is known as HHO. This gas creates the energy required to cause motion in a vehicle through combustion.
It follows a simple concept; to remove the hydrogen from the water, which leaves the oxygen behind, oxygen that is required for combustion, thus making it possible to generate energy that would drive a vehicle.
This idea is not a new one. This technology was developed many years ago but was not given much importance then. Nowadays, with the increase in fuel prices, this idea has gained more popularity. Though some still don’t believe that it is possible to use water as an alternate fuel, there are many who have been using it for some time now and are more than happy with the results.
This technology is relatively cheap, affordable and contributes significantly to the accelerated mileage of a motor vehicle.
When you think about making an effectively operational HHO generator, it sounds like a complex task. You feel that experts and technicians with experience only can do it. But the fact is that it is not as difficult as it sounds.
It is better to learn how to build a HHO generator rather than going for the ready made ones. The ready made generators are not only hard to find but even if they are found, you will pay a huge amount for them.
Then, as well as, spending an exorbitant amount on it, you will also need professional help to get it installed. That means spending more and more money. Thus it is advisable to build an engine on your own and install it too.
But before doing that, you should consult the various well reputed water fuel conversion guides that are posted on the Internet. The entire process is explained in an easy to understand, step-by-step approach. You can even get all your doubts cleared from them.
They definitely will help you save a lot of money that you would have otherwise spent on buying a ready made HHO generator and the cost of installation.
This technology is slowly gaining acceptance and popularity, as besides its affordability factor, it is also safe and reliable. The use of a HHO generator also saves on gas mileage of the vehicle considerably, depending on the type and make of the vehicle.
It also causes less pollution when compared to other fuels.
You have to try it to believe it!
Tagged: convert car to hybrid, fuel from water, how to save gas mileage, hydrogen fuel conversion, hydrogen natural gas, hydrogen powered car, improve fuel economy November 28, 2008
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