Welder World Blog

Archive for November, 2010

The word ‘machine’ is derived from a Latin word ‘machina’. A machine is a device that is used to perform any task. It is a device with some parts attached to it that perform or directs in performing a particular task. A person who is an expert in machines is known as a machinist. A place, room or building where machining is done is known as machine shops. Latest trends and technology has also brought about a drastic change in controlling machines. Earlier machines were controlled by human labor by now it is controlled by computer numerical control which is an abbreviation of CNC.

Nowadays large numbers of machine shops have switched to CNC machine shops. Some shops are specialized in producing only one type of products whereas; others accommodate for mass production like aerospace industry, automotive industry and furniture making etc.

CNC machine shops have allowed businesses to expand and provide services which they could never think of before the introduction of CNC machine. The biggest advantage of these shops is that they are precise and provide multiple shapes with minimum wastage.

It is always better to seek services from a CNC shop then to invest in establishing your own CNC milling department. This will be cost effective since you will be saving a whole bundle of money which you would have spent in buying and owing your own CNC shop. It is always better to take advantage from CNC machine shops available as they have already invested a lot of money in buying the desired equipments.

Another advantage of getting your work done from CNC shops is that your department will not have to sit idle when there is no work regarding such machines. This will be a waste of money since your employees will not be working on a daily basis but you will have to pay them salary for the entire month.

Even though the machines are self controlled, safety measures must be taken seriously to avoid any accidents or mishaps. These machines do not produce a lot of noise and wastage but even then the operators are advised to wear safety goggles and earplugs.

CNC machine shops require expert operators to control the machine. These operators usually have a desk job, they write programs which help the machine to operate effectively and efficiently. Any mistake in the program will result in producing defective products.

Even though the machines are self controlled they still need a set of instructions to work effectively, appropriate tools to produce the desired outcome, placement of raw material is very essential to obtain the desired outcome and last but not the least an operator to push the start button to start the machine.

In a CNC machine shop it is very important to make sure that the employees are trained and up to date with the latest technologies. Each employee must meet the standards of the company in order to ensure that the products that are produced are of high quality.

CNC machine shops provide their clients with unique services which no other machine shop can offer unless they have the same equipment and tools.

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When people don’t want to study for four years to get a job, there are always other places of learning. These institutions provide career advancement through hands on training that is needed in today’s workforce.

One of these places is the Texas Vocational School also known as TVS located in Victoria. There are only a few programs available for people to choose namely business, paralegal and welding.

Those who have a fascination for airplanes can try Redstone Institute in Houston that offers a diploma in airframe and power plant. People who graduate can work as part of the maintenance crew of one of the major air carriers in the United States or even abroad.

Everest College in Fort Worth, Texas offers the student business administration, medical billing or assisting, pharmacy technician and paralegal. The person will just fill the application form so that a brochure can be delivered to the home.

Women can also do well in a vocational school as the Milan Institute of Cosmetology in San Antonio offers people the opportunity to become a manicurist, a cosmetologist or an instructor that will teach people how to beautify the face.

People who are unable to go to campus during the day will be happy to know that evening classes are being offered. Some of these schools offer a ,000 scholarship for qualified students so those who are interested should fill up the application form.

Not everybody may be able to avail of the scholarship due to budget constraints. Those who would still like to enroll can try getting a Federal Pell Grant or aid from such organizations such as the Texas Commission for the Blind and the Texas Rehabilitation Commission among others.

People who graduate from any of these vocational schools will not have difficulty in getting a job. This is because the Texas Workforce Commission and the Proprietary Schools Section accredit most of the programs being offered.

Students who are interested in enrolling in one of the programs should have a high school diploma and passed the General Education Development Test or GED. Those who haven’t can take the entrance exam instead.

After this first step, the applicant will have to take a personal interview conducted by the administrator or by another representative from the school. This person will serve as a counselor in focusing on the program of study that will help attain the student’s long-term goals.

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Video showing the basic operation of the MIG welding process. Tacking first then laying a weld bead.

During a time when the economy is anything but stable and the job market is proving to be insubstantial, there is hope in a quality career in welding. Currently there is a serious shortage of skilled labor workers and the need for accomplished welders is high. By getting a certificate or degree in the field of welding, one can look to the future for an exciting, successful and financially lucrative career that is a necessity to many American businesses.

Comprehensive welding technology courses are offered all over the nation, providing wide-ranging training in which the end result is a highly profitable and appealing career in welding. Welding involves creating a high strength link between objects. Welding can be used on a plethora of engineering substances, including non-metal and metal materials. The majority of welding is completed manually, using a gas, or an electrical heat source that melts the substance into a joint.

Common Tasks for Welders

A welding graduate is directly involved in applied projects that necessitate labor-intensive dexterity, problem solving abilities, proficiency and skill. Welders can be involved in a variety of tasks including:

- Being a team player with other qualified welders and supervisors.

- Working alongside nuclear systems, storage crafts, and boilers

- Using hand-held welding machines to form strong joints in pieces of metal

- Directing and synchronizing a variety of design items

- Demonstrating strong communication abilities with most prospective customers, clients and supervisors.

- Demonstrates the ability to work on one’s own initiative

- The ability to resolve realistic issues linked with production and the technicalities of design

- The aptitude to use primary math and engineering science skills

- The ability to properly translate blueprints

- Comprehending arc, gas and the resistance welding theory

Learn More about Welding Schools

Welding schools offer a unique environment to learn welding. Because the nature of the job can be dangerous, a certified welding is specially trained in all areas of safety compliance, health protection services and other applicable security measures.

There are many welding schools located in each state. These schools offer a great start in an amazing career. When searching for a good welding school you must be diligent. Check on important factors like accreditation, whether or not the curriculum meets standard welding requirements and the types of welding courses available (entry-level welding, Master welder, etc…). Above all, be excited about participating in a rewarding career.

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Experienced welding operators who want to start their own welding workshop are the ones mostly interested in buying secondhand welding equipments. Buying the right secondhand welding equipment is critically important as this is a business decision and entire future growth of the proposed workshop abjectly depends on this secondhand equipment performing well.

There are many different types of welding, but some are much more common than others. Besides, there are several factors that should influence your buying decision when you are in the market for used welding equipment.

You will have to decide on the brand of the equipment – Miller, Lincoln, Esab or Hobart from amongst the many. Should you opt for a multi process machine capable of TIG, MIG, Flux Core, and stick welding or buy different machines for each of the process. Would you want oxy-fuel cutting outfit or plasma cutter and more importantly, whether you need air compressor or electric grinders.

Many professionals opine that multi process machines are unwieldy and cumbersome and you should opt for it only if you have that type of regular work to warrant its purchase.
For your main TIG welding machine and MIG welding, you may visit e-Bay or Craigslist where you will find several bargain offers. If you have restricted floor space, you can opt for a foldable welding table that can be hung on the wall saving you a lot of moving space.

As regards electric grinders you can easily obtain one or two straight grinders as also 4 1/2 inch angle grinders along with a variety of consumables. If you have a regular workshop away from your home, then go for an oxyfuel cutting, welding, and heating kit. You will never regret this purchase.

It is strongly recommended that you have two argon cylinders – preferably owner cylinders and not leased ones.  Keeping a spare owner cylinder will provide you the required time-gap in getting your main cylinder refilled.

Please know that nearly 500,000 employees in the United States work in factories that do welding work. This means there is a lot of used welding equipments around for sale. Because of the wide choice for used welding equipment – people who are hunting for the equipment should do plenty of research before finally buying.

A useful tip for getting good deals on used welding equipments is to search the local Craiglist listings where you will come across some fabulous offers. However, if buying the welding equipments online, you must insist on seeing true pictures of the welding equipment – particularly if you are planning to buy an expensive item like a Miller Syncrowave 250 or 300.  If a seller refuses to provide a real photo, then negotiate no further and call off the deal.

There are several online auction sites where you can find some really good welding equipment. Of course, the most resourceful auction site is eBay. Then there is UBid that may not be as popular as eBay but it can throw some surprise offers. More importantly, when you buy used welding equipment on the Internet, check what kind of certifications and approvals the company that sells them has.

As the world is advancing towards a new technological era, more and more new inventions are being made. Even though all inventions are considered in one way or another, the invention of magnet is considered the greatest achievement of mankind. Magnet has made transportation and power and energy generation a much easier and effective process.

What is a magnet?

A magnet is basically a material or an object that creates a magnetic field around itself and attracts ferromagnetic materials like iron and attracts or repels other magnets. The earliest existence of magnets was around 2500 years ago in India, China and Greece. By the 12th and 13th centuries, magnets were being used extensively in several Asian and European countries in the form of magnetic compasses.

Magnets are available in several shapes and sizes and are used for home as well as industrial uses. The two major varieties of magnets are electromagnets and permanent magnets. Electromagnets generally consist of a coil wire that behaves as a magnet when an electric current passes through it. Permanent magnet on the other hand, is created from a magnetic material that is having a persistent magnetic field.

Magnets have gained immense popularity and is nowadays used in a host of application areas. All the major activities, whether industrial or otherwise, are undertaken with the use of magnets and due to high dependency on the use of magnets, their absence will be conspicuous. It would be quite right to say that magnets are crucial for the subsistence of the contemporary world.

Magnets are used for a variety of purposes and have various applications.

Magnets are used extensively in floppy disks, cassettes and hard disks. Magnets, due to their property of attracting a multitude of things, are produced in the form of thin coating films on which data is stored or recorded.
Magnets serve a variety of industrial purposes. They are used in industrial equipment like separators, sweepers, pullers, conveyors and welding devices besides others.
Magnets are also used widely in magnetic therapy devices that include magnetic waist belts, magnetic massager, knee magnets and magnetic mattresses, etc.
Credit, Debit and ATM cards have magnetic strips on one side that encodes the information about the individual and his account and bank details.
The use of magnets is also common in speaker and microphones.
Electronics motors and generators also work with the use of magnets.
Another extensive use of magnets is in the health sector. Hospitals use Magnetic Resonance Techniques (MRI) to scan various organs in the human body and for surgical purposes.
 Household equipment like headphones, telephones, television, refrigerators, water pumps, etc. also make use of magnets.
Magnets are also used in a variety of jewelry items like bracelets, earrings, pendants and necklaces.
Other uses of magnets include uses in tools, toys, science projects, vinyl magnet sheets, compasses, fail-safe devices, etc.

Please Visit URL: http://www.jupitermagnetics.com

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Welding is one of the more popular vocational trainings in Florida, and for a good reason. The occupational outlook for welders is fairly positive these days, for a variety of reasons.

“Go Green”

Today green technology seems to be the buzz word in business and politics. Everybody seems to be looking for alternative ways to produce power with the smallest carbon foot print as possible. What this means for welders is that the future is bright for this type of skilled labor. Although welding itself may not be seen as a “green job” there will be plenty of opportunity to manufacture components for the environmental industry. Experienced welders as well as new graduates will have no problem in finding a job in the green related industry. There was a time when as far as energy related jobs went a welder could only get a job making oil pipelines or working at a power plant. Not so anymore, today wind turbine technology is growing at a big rate, as well as bio-diesel plants. Wind turbines require large components which makes it inconvenient to be made in other countries therefore they have to be made at home to be assembled and installed.

Welding Jobs Beginning to Rebound

The United States government has announced that it will spend 1.6 trillion dollars within the next 5 years on repairing existing infrastructure and building new ones. Some of this business will come to Florida for the simple reason that Florida is one of the fastest growing states in the U.S. this is obviously big news for the construction related industry. Not only that, according to the Fabricators and Manufactures Association International business in the manufacturing industry picking up. In fact from the research done by them the present recession has had little effect on welding and manufacturing jobs. So for those of you who were worried about the recession affecting welding jobs you do not have anything to fear, both for now as well as the future. If you think that it is only the big manufacturers that have not been affected then you are wrong, that also includes small time or one man welding shops who have largely escaped the negative aspects of the recession. There is still plenty of work out there that is linked to, defense, aerospace, medical and infrastructure related jobs. These industries by and large escaped the recession.

Welding Opportunities in Florida

Today around 2 out of 3 jobs in the manufacturing industry belongs to welding. Structural welder courses do not take as long as many other technical jobs and as soon as you leave school you can start with a good salary. And future looks even better right now as there are not enough trained people to meet demand.

Spot welding is a process contacting metal surfaces joined by the heat obtained from resistance to electric current flow under pressure exerted by electrodes. Classically the spot welder sheets are in the 0.5-3.0 mm thickness range. The gorgeous characteristic of spot welding is a lot of energy can be delivering to the spot in little time and permits the welding to take place without unnecessary heat to the rest of the sheet.

Applications

Spot welder is typically used for particular types of sheet metal. Spot weld heat flows into the immediate metal and easily identified on many sheet metal goods. Aluminum alloys can be spot welded but large amount of thermal and electrical conductivity requires higher welding currents. Spot welding is used in the automobile manufacturing industry, used about universally to weld the sheet metal to shape of car. Nickel-cadmium is one more application of spot welding, straps in order to make batteries. The nickel-metal-hydride cells are connected by spot welding slim nickel straps to battery terminal.

Processing and Equipment

Three stages for Spot welding; the first involves the electrodes creature bring to the facade of the metal to applying a small amount of pressure. Workpieces is welded two materials together to conduct electricity. Removing current from the workpiece cooled by the coolant holes in the center of the electrodes. In spot welding mechanisms, water and brine solution is used as coolants.

Tool Styles

In spot welding, electrodes can used differ really with different applications. In radius style, electrodes are used for high heat applications with a truncated tip for high pressure. In offset eccentric, electrodes reaching into corners and small places to finish offset truncated for success into the workpiece.

Effects

The effect of spot welding process is tends to harden material, reduce material strength, and stretch the material. The physical effects are including internal cracking, exterior cracks and terrible appearance.

Electrical notes

The basic spot welder consists of a power storage element, a power contribute and the welding electrodes. The power storage elements allow the welder to distribute high immediate power levels. The energy storage element is useless during the power demands are low. The welding transformer steps down voltage and steps up current. A basic feature of the transformer to reduce current intensity and the switch must handle. The transformer’s secondary circuit has welding electrodes and control box to handle the switch and examine the welding electrode energy. A spot welding machine usually consists of instrument and electrodes mechanisms for making and holding contact. There are two functions of Tool holders, to grasp the electrode firmly in place and support water hoses for cooling of the electrodes.

Safety Factors

Spot welding can be extremely dangerous due to use of huge amounts of voltage and heat. Welders always sure to hold tightly the electrodes, protect eyes from the intense light given off during welding process and protect hands due to workpiece can get very hot throughout welding. Bring all safety protection required earlier than, throughout and after spot welding.

More Welding Electrodes Manufacturer Articles

Here’s a quick tip on welding exhaust tubing with your MIG welder… do it HOT and FAST! This technique shows how to burn deep-penetrating, low-profile welds that look great on their own or can be easily dressed for polishing or coating. The secret is to use high amperage (or heat) and a series of quick tack welds, and give the work time to cool between each tack! Resist the urge to seam-weld the whole tube… you’ll have to run your welder too “cold” to prevent burn through, resulting in welds that are stacked high on the tubing, not only looking poorly, but also not penetrating as deep as you’d like.

Shellmax has been manufacturing resistance welding equipment like portable spot welder has been in thousand operations of manufacturing facilities providing consistent quality spot welding in production. Portable spot welder design provides welding power equivalent to many welders much superior in size and costing many times the price. A timed burst of current far in excess of 1000 amperes passes through the metal, heating it to its melting point. Under regular pressure from the arms, the metal fuses together. Overall, the whole welding process takes a fraction of a second. An optional sheet metal stand with a foot pedal activator is available to free the operator’s hands for handling materials. For featuring built-in heavy production usage optional reduces sheet metal water cooled arms and tips are solid state timer fabrication costs recommended.

Tips to use of portable spot welder

Galvanized coating is a relatively poor conductor of electricity; galvanized steel does not weld as readily as uncoated steel.

Welding is a suggestion to minimize burn marks on stainless steel: place a piece of copper about 1″ square over the side of the metal where do not want a burn mark to appear. Weld the stainless steel through the copper and any burn will be negligible.

For production welding, accomplish the same thing by grinding the tip which rests on the finished surface as broad as possible. File the other tip to a point and you can perform consistent welds on stainless with negligible burn.

Getting the most from welder it is necessary to input power is as high as possible. Therefore recommended, the welder can be connected directly or close to fuse box as possible. If an extension cord is needed, be sure to use at least cables for the best results.

Welding two pieces, the portable spot welder will weld two pieces of round wire together. The diameters of the wires, you can weld deeply exceed the thickness capacity listed for the machines. For best results, contour slots are filed into the tips so that they act as a holding jig when welding the wire.

Producing devices are many uses for the units. It is excellent for heating small metal parts cherry red for hardening.  If the thickness of the piece to be hardened is greater, you may have to re-bend the arms slightly.

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