...The Art of Welding Welding is defined as the process of joining together metal pieces or parts by heating the surfaces to the point of melting using a blowtorch, electric arc, or other means, and putting them together by pressing or hammering. Welding is more of an art rather than a skill. It takes a special person to be able to completely master the art. Skills that a welder would need to have would be a very detail-orientated mind set. (Welding Basics) anyone can weld, but nobody is going to pay someone to weld something together crappily. The reason I am doing my research on welding is because I want to figure out if this is what I would like to do the rest of my life. I only have minor experience with welding. But, the experience I have had so far has been fun and exciting. Most of the work I have done with welding has involved my cars which is most likely the biggest reason that I have become so interested in this field of study. I have figured out that training for welding workers can range from a few weeks of school or on-the-job training for low-skilled positions, to several years of combined school and on-the-job training for highly skilled jobs. Training is available in high schools, and other types of institutions such as technical institutes, community colleges, and private welding schools. The Armed Forces have welding schools as well. (Jeffus,153) While some employers provide basic training, they prefer to hire workers with experience or more formal training...
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...Electroslag Welding Electroslag Welding Electroslag Welding is a welding process, in which the heat is generated by an electric current passing between the consumable electrode (filler metal) and the work piece through a molten slag covering the weld surface. Prior to welding the gap between the two work pieces is filled with a welding flux. Electroslag Welding is initiated by an arc between the electrode and the work piece (or starting plate). Heat, generated by the arc, melts the fluxing powder and forms molten slag. The slag, having low electric conductivity, is maintained in liquid state due to heat produced by the electric current. Electroslag welding (ESW) is a highly productive, single pass welding process for thick (greater than 50 mm) materials in a vertical or close to vertical position. An electric arc is initially struck by wire that is fed into the desired weld location and then flux is added The slag reaches a temperature of about 3500°F (1930°C). This temperature is sufficient for melting the consumable electrode and work piece edges. Metal droplets fall to the weld pool and join the work pieces. Electroslag Welding is used mainly for steels. Electroslag Welding equipments Power source Wire feeder Electrode guide tube Retaining Blocks Welding head and Controls Power source 100 % duty cycle AC and DC (EP) power source 10,000 Amp OCV 60V (range is 30 V to 100 V) Remote controled Wire feeder Feed roller Drive motor Provide oscillation...
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...1 Arc welding - an overview 1.I History of welding Methods for joining metals have been known for thousands of years, but for most of this period the only form of welding was forge welding by a blacksmith. A number of totally new welding principles emerged at the end of 19th century; sufficient electrical current could then be generated for resistance welding and arc welding. Arc welding was initially carried out using carbon electrodes, developed by Bemados, and was shortly followed by the use of steel rods. The Swede Oskar Kjellberg made an important advance when he developed and patented the coated electrode. The welding result was amazing and formed the foundation of the ESAB welding company. Figure 1. I Principle of Manual Metal Arc ( M M ) welding. Another early method of welding which was also developed at that time was gas welding. The use of acetylene and oxygen made it possible to produce a comparatively high flame temperature, 3100°C, which is higher than that of other hydrocarbon based gas. The intensity of all these heat sources enables heat to be generated in, or applied to, the workpiece quicker than it is conducted away into the surrounding metal. Consequently it is possible to generate a molten pool, which solidifies to form the unifying bond between the parts being joined. Figure 1.2 Submerged arc welding. © 2003, Woodhead Publishing Ltd WELDING PROCESSES HANDBOOK Later, in the 1930s, new methods were developed. Up until then, all metal-arc welding...
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...your First project Welding technology offer's society many beneficial ability's in enginering, construction, architecture, and also creates varied safety Concern's for the individual tradesmen' "tradeswomen"and their environment's. Welding Cover's a temperature range from 1500 F - 3000 ººF (800 ºC - 1635 ºC) and poses certain inevitable inherent risk's. As a skilled worker in this industry, one must proactively plan, prepare for any and all possible problem's, determine solution's and prepare preventative measures to use in case they arrive. Many welders reflecting on thier welding shop experience can admit they have acquired scars, acknowledge the dangers, and admit the necessity of demonstrating a professional respect for proper personal safety equipment and techniques. it has been said “If you play with fire you get burned” There are three main different risk's associated with welding including , heat, inhaling toxic fumes and electrical shock that are the most hazardous to your health, other various danger's include Gas leak, fire's and explosion's. In addition the extreme heat welding creates can burn you in many ways if not properly protected. There is ultraviolet light generated by the welding arc “electrical connection between welder and workpiece” that can cause severe radient heat, sunburns and increase your risk of skin cancer. Sparks can burn right through your gloves, boots and multiple layers of clothing even specialized welding coats! Using personal protection...
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...Abstract The welding career is a great choice for any skill oriented person that is willing to go through some schooling and get great pay and benefits in return. With the wide availability of of the career path, welding would be a great choice to follow through with the field. Considering the fact that there does not actually require schooling, but will reflect the pay. The low end salary for a welder is $46,000. It is said that some additional education is recommended, like math science, and welding. There are numerous different locations and types of welding careers. That being said why would it be reasonable to steer away from welding. Welding Fabricator: Evaluating the Career of a Welding Fabricator...
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...Ben Cantrell Mr. Riley Brit/Lit 20 October ,2016 History of Welding Well in the history of welding. where the first welding was spotted was in Egypt during the 4000 B.C. (Welding history is thorough to begin in Egypt in starting in 4000 B.C in seral civilization started with cooper then progressed bronze to silver to gold to iron.) (Jeff grill). Just like on down the time line they have discovered tin. (Humans started working with bronze between 3000 and 2000bc. During the bronze and small gold circular boxes.) (Jeff Grill). Just like all the golden statues in Rome or even Egypt. That’s how they made their swords amour helmets. (The Samurais made swords using soldering) (Jeff Grill). Just like a little way down the timeline. (Cobalt used by Persians to color glass) (Jeff Grill). The Persians used this technique to color glass to make a picture in the church windows. In Egypt they used a technique called brazing. (painting discovered of brazing on a tomb of Vizien Rekh-mi-re) (Jeff Grill). The Egyptians also use a blow pipe and soldering trick to make a cups or vases. (Egyptians used solider and a blow pipe to in 1330bc for metal soldering) (Jeff Grill). In the 1000bc they found out how to bend metal and make stuff. (Iron work started bending metal while the use of a furnace to produce...
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...EFFECT OF PROCESS PARAMETERS ON FRICTION STIR WELDING OF AA1100 AND AA6082 D.Rajesh Kumar1, P.Sarath Kumar2, H.Vishnu Prasad3 B.E Mechanical Engineering, Bannari Amman Institute of Technology Email: drajeshkumarans@gmail.com ` Abstract: Dissimilar AA1100 and AA6082 alloy have been friction stir welded with a variety of different process parameters. The effect of rotational speed and welding speed in this welding constitutes as process parameters which lead to the investigation of microstructure, micro hardness distribution and tensile property of the joints. Fine grain refinement observed in the nugget zone of AA1100 and AA6082 layers. Three different speeds parameters used are 1200, 1400 and 1600 rpm among these 1600 rpm provides good tensile...
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...Processes in Design DT1410 Chapter 15 Case Problem 1: Welding Thin Materials I have to disagree with both, the experienced welder and the production supervisor. Arc welding is not the ideal process for thin metals. It takes many years for a welder to acquire the skills to arc weld thin metal and ever the most experienced welders mess up and ruin product. TIG welding would work with the thin metal but will take a lot longer and cost a lot more. It also takes the longest to master. Gas MIG (GMAW) is the process I recommend for the thin metal. I will explain the three processes in the following paragraphs. Arc Welding is one of the oldest welding processes around. It can be the cheapest to start with as there is not a lot of equipment needed. It is also very versatile as there are a lot of specialized electrodes available. These specialized electrodes are used for different types of preferences which include: hardening, high-strength, stainless, mixed, cast iron and other meter alloys. This process requires a flux coating to shield the weld and the flux will have to be cleaned from the weld. This process is very difficult to accomplish of thin metals of all types. Therefore, takes a considerable amount of training and practice to master. Also this process requires no gas or wire feeder which allows this process to be portable. This process works of AC (used on aluminum) or DC (used on ferrous metals (steels)). TIG welding is also very versatile and produces the highest quality...
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...Welders are most likely are going to need a high school diploma and they will have to have finished the welding test. Some employers look for certificate or undergraduate degree from a technical school, vocational school or a community college and some welders can learn techniques through welding apprenticeship. The welders education programs can culminate in a welding certificate of achievement, associate of science in welding or bachelor of science in welding engineering. The education programs for welders can take a few weeks or sometimes a few years and certificate programs lasting less than a year as well as diploma and associate's programs that can take up to two years. Welding technology programs can be found at universities around the...
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...Welding and Radiology are to totally different fields of education, but they are the ones that intrigue me the most. People often give me strange looks when I tell them going to school for welding, then later on in life, I’m going back to school to be a Radiology Technologist. Welding can be a one or two year course depending if you want to expand into the robotics side of welding. If you want to just learn about welding, then you only have to take the one year course of welding. The starting pay for most welding jobs is pretty basic, especially right out of high school. But, with more experience, the potential to earn two or three times that amount is definitely there. And making $100,000 or more isn’t out of the question. But only if you...
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...Don’t you hate when you have books on the shelf and they start to tumble over after you take one out? The solution to this is a bookend, it’s usually a metal piece that has been welded together, seeing those things that help us in everyday life made me think about me wanting to help make things that I know people will use everyday. Many wonder what welding is and how it works. According to Mary Bonk “ welding is the process of heating and melting metal parts to join them together”. (Bonk,3) Anything made of metal no matter the size can most likely be welded. Examples of welding is everywhere from the cars,trucks, and the motorcycles we drive. Bridges and highways would be impossible to build without welding. I’m interested in...
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...Welding is part of the Manufacturing cluster, which is part of the Skilled and Technical Sciences career field. An employee in this can do many types of welding here are four of the most popular methods of welding used. Oxy-fuel welding or oxyacetylene welding, GMAW or Gas Metal Arc Welding, GTAW or Tungsten Inert Gas, Arc welding or SMAW. Welders will have to weld in three different positions flat, vertical and overhead. Welding is something I’ve always wanted to do as a career. The salary for this job depends on what percent you are in if you are the 10% of welders you will receive a gross pay of $28,636. If you’re in the 50% of welders you will receive a gross pay of $38,071. But for the skilled and experienced welders, they will receive a gross pay of $48,898. The minimum training you can have is a high school diploma....
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...Fabfurnish Following my under graduation, to tap the taste of start ups and ever growing interest in marketing – I started working ……<framing this> The front end marketing analytics, where direct cum indirect interaction with the customers and their reaction pushed us how to increase the conversion rate and engagement with audiences. <need to frame this> Customer Insights – based on that taking further actions Launching the new campaigns on facebook and optimizing them on the key metrics like CTR(Cost to revenue Ratio),CPC(Cost per Click),CPV(Cost per Visit)– lowering the CRR (Cost to Revenue Ratio – inverse of ROI) bought down by 70%. Optimization was done on the basis of reports in which number are stacked up from Google Analytics and FB Power Editor to check the bounce rate and Conversion Rate Good with reports and reports making Engaging in Mobile as this was the time in India (late 2014) where mobile grew as a major player in the advertising industry and various different inventory of FB like MPA (multiple ads) and doing the category wise segmentation & performing the strategic group analysis which help in growth of 40% mobile revenue. - - -> key insight ran ads of those products which have low basket value (<1000 INR) since audience have more interaction for these products on mobile platform and thus increasing the funds in this segment and generating a 14 lac transaction in a single day through optimized reports * To show interest in...
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...preheat holes or in a two-piece tip the cutting tip will overheat and explode. a. True b. False 4. A cutting torch is used for cutting, welding, and heating. a. True b. False 5. Most hand torches can cut metal up to seven inches thick. a. True b. False 6. It is possible to cut steel that is four feet thick. a. True b. False 7. Acetylene should be used in a two-piece cutting tip. a. True b. False 8. Acetylene cutting tips should be one piece with 1 to 6 preheat holes. a. True b. False 9. The chance of a flashback is less with low pressure regulator settings that with high pressure settings. a. True b. False 10. The oxyfuel gas cutting torch works as a result of the metal being rapidly melted. a. True b. False 11. Hard slag is easier than soft slag to remove. a. True b. False 12. Distortion is not a problem if the correct fuel gas is used. a. True b. False 13. By looking at the drag lines in a cut, you can determine whether the cut was made correctly or incorrectly. a. True b. False 14. The two major methods for controlling distortion while make a cut is making two parallel cuts at the same time and speed and making a short cut and skipping a strip to keep the plate from separating. a. True b. False 15. The advantaged of a combination welding and cutting...
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...and two 8-inch pieces of angle iron. The bar will serve as the top crossbar in your frame while the angle irons will join the frame to a wooden base. 3• Stand all three tubes on their ends, with the long tubes 5.5 inches apart. Place the short tube in between them and use an arc welder to weld the steel crossbar at their top ends, and the angle iron pieces on both sides of their bottom ends. This will make a rectangular metal frame with the short pipe in the middle of one short side. • 4 File or grind any rough edges from your frame, then paint it. The paint will dampen down any shavings. Once painted, it can be attached to a wooden base by passing screws through the holes in the angle iron piece. • 5 Make the press canister by welding a circular piece cut from your plate steel onto one end of a wide steel tube. Drill holes through the outside of the canister and file down any rough edges. • 6 Form the press piston by cutting another circle of plate steel just small enough to fit inside the press canister. On one side of the disk, weld a short length of pipe with a diameter big enough to fit snugly over the end of the short pipe in the press's frame. • 7 Chop off the bottom third of a round plastic jug and cut a hole in the center of it big enough for the middle pipe in your frame. This will collect the oil as it drips...
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