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Shaped Welding
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Here are some more information for Shaped Welding:
Copper sculpture is a very old art form and in the Americas it can be traced back to Purepecha Indians of Central Mexico. The first shaping of copper was done to create farming and domestic implements and weapons by hammering copper ingots into shape.
Modern copper sculptures are created using techniques and technology far advanced from the beginnings of the art form. While many technologies may be used, the most common and popular is to creates a sculpture by shaping separate pieces of copper sheeting then weld them together. This allows the sculptor to produce as large a piece as he desires.
The process begins with the forming of the copper sheets into bowl shapes. This allows the sculptor to then heat the forms and hammer them into the rough desired shape. If gaps appear in the metal during the shaping process, these are filed using welding rods. The artist usually works with a paper pattern to guide him in both the initial sheet metal cutting process and well as in the shaping. Most artists making copper sculptures do not use highly detailed sketches, but rather rougher free hand drawings so the if, in the process of shaping the metal, the emerging shapes offer new opportunities, he can quickly modify the sketch to have an idea of the end result of any mid course changes.
The individual parts are worked on till they take their final shape. Any rework after the welding is done may damage the welds. Any surface irregularities are removed by hammering with a unique rocking motion that allows the indents on the surface to be either raised or lowered.
Before the welding begins, the final finish is applied to the individual pieces. The color options are chocolate brown, wine read, running black streaks and the standard bright polished finish. Since the finish is given to individual pieces one at a time in the forge, the final patinas will always have small variances. If he so desires the artist can remove the natural patina through buffing and leave behind the shiny surface. A piece of copper sculpture with a shiny finish will require regular polishing to maintain the shine.
The artist may add silver decoration to the copper sculpture by etching a design on the surface to the shaped pieces and dipping them into an electrically charged bath which fuses the two metals together. Copper sculptures are often given a clear lacquer finish to protect the metal from the elements.
Once all the pieces are complete in every details, the welding process begins. In the case of copper this is usually done by a process called tig welding where a filler rod is heated by tungsten gas to fix the pieces in place.
Copper sculpture is suitable for both indoor and outdoor use. Copper is a favorite material of artists who specialize in modern or abstract art. Except in the case of sculptures with a polished finish, copper sculpture requires no maintenance except for a simple dusting or wipe down with a damp cloth. The use of cleaning agents is not recommended as they may affect the finish of the metal.
Go to Fisfire.com to get your free ebook on Metal Working and Metal Art at Metal Art. Fistfire.com also has a Metal Art Forum. Come by Fistfire.com to check it out and get your very own free ebook on the basics of Metal Working and Metal Art.
Welding as a Profession
In today's society welding is one of the most sought after trades. Most companies and factories are looking to hire people who have had some form of training with regards to welding. Welding was not always this popular. At one time it was seen as a lower class profession and people, who were employed as welders, were not paid a high wage for the work that they do. However, today in society we see a different trend. The welding profession is considered a good trade and most welders are paid a good wage for the work that they do. Like any other profession there are variations in the amount of money that welders are being paid but this all depends on where you work and why type of welding work you do.
The area of welding itself dates back as far as 1885 when two people by the names of Nikolai Benardos and Stanislav Olszewski invented the first electric arc welder. They were granted the patent for their invention a few years later. This welder was called an electric arc welder that had a carbon electrode called an Electrogefest. These two are men are considered to be the founders and creators of the modern welder that we see being used today as all models of welders came from the first that was created.
There are some people that are completely sure what welding actually is. There are a variety of definitions of welding but the most commonly used definition states that welding is a technique that is used to join metallic parts usually through the application of heat. So in a sense it is the art of burning to metals together in some way. Welding was first discovered during efforts to manipulate iron into useful shapes.
About the Author
James Hunt has spent 15 years as a professional writer and researcher covering stories that cover a whole spectrum of interest.
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Do you know where how and if I can replace these handle bars?
I have a folding bicycle and want to replace the handle bars.
The problem is the bar and the steering post are welded into one piece like a "T" shape.
It can come right out and is held in place by a quick release clamp.
I can't find a replacement does any one know where I can find one in the UK?
You'll need to contact the manufacture or a bike shop that may deal with the brand. That part is a specialty item made for that bike.
Leaving his home away from home
WEST UNION - Brian Harper will be leaving more than just a job and a school this May. He will be leaving behind a second home, he says. After 33 years as the vocational agriculture teacher at North Fayette, Harper will retire at the end of the school year. If Harper leaves behind one lasting impression, he wants it to be that there is more to agriculture than just farming.
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