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Welding and Cutting

~1500 answered questions
Parent Category: Machinery and Tools
The welding and cutting category covers the various types of welding (arc, mig, tig) and the carious electrodes used for welding various metals. There are also questions regarding tips on various problems experienced by welders. Cutting is also a part of a welder's job and it too has many aspects.

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%REPLIES% Answer I found that an Actuary has a pretty high paying job for a starting salary less then 1 yr exp would be approx 40+. 20 yrs exp approx 250-350K. Answer The President makes $400,000 dollars a year. Answer Corporate executives. Answer DEFINITELY ACTUARI…
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95% Argon 5% CO2 is most commonly used for spray MIG.
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An auto-darkening helmet contains an electronic shutter module. This module contains fixed/static IR (Infra-Red) and UV (Ultraviolet) filters that require no electricity to operate along with an electrically operated LC (Liquid Crystal) light valve or shutter. The LC valve/shutter darkens/lightens w…
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Answer A catalytic converter with holes in it needs replacing. It affects not only emissions, but the performance of the engine. Replace the converter.
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New building construction especially skyscrapers, shipyards, ornamental iron shops, steel fabricators, vehicle assembly plants, oil wells and drilling platforms. These are all places that may need experienced welders. Approaching these job sites is one way to find a job. Another is to look on-line. …
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Answer Sub arc welding is a process in which the welding actually occurs while submerged under a layer of flux. Not only does this prevent oxygen from entering the weld and thus porosity, but it also keeps the dangerous arc from sputtering and spattering from the weld.
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There are several car manufacturers looking for new designers to implement innovative ideas for the automotive consumer market. Car designers are also paid well, and have opportunities to make a large influence on the automotive community.
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There are numerous colleges and universities that offer degrees in welding and welding technology besides the one's mentioned. The Pennsylvania College of Technology is another school that also ranks high in the nation. I do not know of any colleges or universities that offer a degree in welding. H…
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Gas welding basically used for weaker joints(in sheets) and arc welding for stronger one(plates). mobile welding (not in a shop)is the ideal time for arc welding . gas welding is the way to go as far as production is concerned , but requires environment with little air circulation or wind , plus gas…
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Their are dozens of types of welding, consult the American Welding Society(AWS) for a complete layout. However there are 3 types that will be used the most. One of them very ancient and takes some extra skill. The first is Arc Welding, which uses an electric arc to melt the metal and then filler met…
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As a safety disclaimer, parental guidance should be sought by minors before initiatiating any kind of electric arc or using electricity or electrical devices. It is also advisable for everyone to use safety eyewear, such as goggles, before using electricity in the manners described, below and elsewh…
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It depends on what you're welding and what kind of weld you need. For an extremely strong weld where you don't want to transfer as much heat to the surrounding areas, tig is the way to go. Tig has the option of melting only the source material (together), so if it is better than no material is adde…
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Do you mean your beads are concave and you would like them convex in appearance while autogenous welding is being done? Without knowing what metal you are welding or seeing the technique used I can only offer generalizations. It could be a lack of sufficient sulfur or improper travel speed. Without …
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Answer use duck tape it works on everything : D ~~ i have to agree, adhere it if you can, otherwise use a VERY low heat propane torch. Acetylene burns WAY too hot, and you won't get a good arc going over 2 types of metal. Also, I don't know if you can find a compatible filler rod though. If you…
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They do make good money, but the downside is how dangerous an occupation it can be. I almost went into this career but went another industrial route and went into Industrial Technology instead. They do however teach safety classes on fall protection and grounding at linemen schools. Hope this gives …
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Welding Tricks Flat position welding is when your job is in a horizontal position the easiest and best position to do welding, then you get vertical up position where the trick is to weave your arc in a V formation, vertical down is used on thin material if its possible at an angle of 45 degrees …
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in order to make a weld you need a welderThe above post is a little simplistic but you basically weld using gas or electricity to melt the base metal allowing you to add metal via a flux coated or bare rod. If using gas to melt you would use a bare rod to add - if using electricity to melt you would…
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A rectifier is a type of welding machine. Fairly new development that changes common electrical supplies to voltage and amperage that can be used to weld. It uses less electricity than standard welding machines (usually transformers). It will require a certain supply (voltage - amperage) that you co…
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3315.555556ºC It is my understanding that an acetylene torch produces a flame temperature of approx. 6000 degrees Fahrenheit.
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You have to use an Action Replay to obtain the Azure Flute or receive one from an event.
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The reasons for developing spots, or acne, on the jawline are the same as for any other location on the face or body. Some of those reasons are overproduction of oil which leads to a clogged hair follicle or pore, and buildup of bacteria.
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ANSWER: Soldering is a joint repair for two pieces of metal, like a chip to a circuit board using lead. Welding is taking two pieces of metal and heating them up to the same temperature and making a single piece of metal out of two separate pieces. I was taught that soldering,as it relates to pipin…
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Carbon arc is an old welding method which uses relatively low voltage, high amperage electricity to heat metal when an arc is established between a carbon electrode and the work (single-carbon arc) or between two such electrodes (twin-carbon arc). The single-carbon and twin-carbon processes have g…
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When you heat a piece of metal so that part of it melts, that melted part can stick to another piece of metal and when it cools and hardens, the two pieces of metal will be connected by a very solid bond, effectively making them a single piece. That is welding.
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People can successfully act on their own initiative. This is only, however if they know enough about they subject that they are acting upon to actually make a good and informed decision.
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An electric welding arc produces ultraviolet light and the UV light will damage the retina.With a good welding helmet, your eyes will be protected, but you must have the proper shade (somewhere between 9 and 14 depending on your amperage) and if using an auto-darkening helmet, it must switch on quic…
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Welding is not for everyone. I am a Combination welder working in FL, I make $25 a hour. I also travel, so i get paid 75 dollars a working day. That comes out to be around $375 on top of my hourly pay. On 45 hour work week i make around $1300. This job will last for maybe 3 more months. After that …
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Answer There are no set salary rates for craft workers. You are likely to start on about $24,000 (£12,000) a year. Experienced craft workers earn around $36,000 (£18,000) a year. Senior workers can earn up to $40,000 (£20,000) a year.
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Alternating current flows from the welder through the torch into your welder, through the grounding cable, and back into your machine. It then flows in the exact opposite direction. The result is deep penetration, and removal of impurities in the weld. It is used mainly on aluminum and alloys. Dire…
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Nitrogen is used to prevent porousity in the welding member by preventing oxygen and air from entering the molten metal during the welding process. Other gases are also used for this purpose such as Argon, Helium, Carbon Dioxide, and the gases given off when the flux burns away during SMAW (stick) w…
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place the metal clamp on a form of metal turn the mig welder on turn the gas on know were your welding flip your shield down and then give er
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Radiographic testing is similar to taking of an x-ray of a weld. It checks for integrity, penetration, and other necessary factors.
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I believe that the most effective and common way to inspect a friction weld is by ultrasound.
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They include but are not limited to: burns, electrical shock, inhalation of harmful fumes, and UV damage to the skin and eyes.
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The space is left so that as the metal heats and cools during normal daily and seasonal temperature changes, they can expand or contract normally as all materials do. Welding them together would cause stress as they expand or contract away from the temperature at which they were welded at. Sooner or…
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Thermite welding is all about using thermite for welding steel or iron. Thermite is actually a mixture of iron oxide and powdered aluminum.
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it moves Because almost all Elements expand when heated and contract when cooled. As you are welding the metal at that location is trying to expand because of the heat. Ahead of the weld area the metal isn't moving. Behind the weld area the metal is trying to contract as it cools. If the whole weld …
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You need to follow EN 15614-1
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Answer you dont. you go buy a locking diff. Or... You pull the cover and drain all fluid. Clean out ALL residual fluid with carb clean. Repeatedly. Pre heat with torch. Weld spider gears to side gears first. Start as deep as you can so you leave room for multiple passes. Make sure you have …
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This a learned skill, basically it is very similar to some of the skills learned when gas welding. Both processes require a source of heat to melt the base metal and a separate source of filler material . Both require the use of two hands. The exception is when you are fuse welding. Melting the edge…
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Diarthrotic joints have free movement e.g. synovial joints of knee, elbow, shoulder synarthrotic = no movement eg skull plates (yes they are a type of joint strangely enough) amphiarthrotic = some movement eg intervertebral discs
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Welding was first performed during the Bronze Age. Items were cast and when two or more had to be joined they poured molten bronze in the joint which melted the edges and upon cooling became one solid piece. This carried over into the Iron Age. Somewhere along the line acetelyne was discovered and w…
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Examples of lining tools include the carpenterÕs pencil, the marking gauge, the chalk line and the awl. Basically, lining tools are used for marking locations.
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Soft soldering is using a heat to fuse metals together. In home improvements this is a useful skill to have when dealing with pipes and wiring.
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Mr.Sudarsan the great man from Andhra Pradesh,India.
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Welders in Saskatoon are underpaid considerably in relation to our neighboring province of Alberta. In Saskatoon you can expect to get paid from $18 to $24 an hour in a shop setting for a journeyman. There are other circumstances where you can earn around the $30 mark, but those jobs are somewhat un…
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Welding can be all three and even more than that. You can earn a two year Associates degree, a four year Bachelors degree, and even a Masters or Doctorate in Welding Engineering. The American Welding Society also offers many different certifications including a Certified Welding Inspector, a Certifi…
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depends on where you live. I live in western Canada and as a journeyman you can make from 28$ to over 100$/h if you want to work up north. Sometimes the average welder can make up to $32,880 yearly, it will also depend on what type of welding you are doing
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The techniques for soft and hard soldering are the same. The difference is in the type of solder used. Soft solder would have a lower melting point and therefore would require less heat. This is usually used for things that can be damaged by excessive heating.
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porosity can occur in all types of welding.there are many factors to be considered to minimize or eliminate it. stainless steel has different grades such as 304,309,316 etc. the welding electrode should be comparable. also cleanliness is important, remove any oils, water,chemicals or debris before w…
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Yes you will not get a "good" weld and it will not be strong The filler electrode used by TIG welder is usually bare and need a shield gas to shield off the atmosphere. Without shield gas, air gets into the molten weld usually produce defects called porosity (air pocket). Your finished weld is defe…
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nobody
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50-90v is ocv
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Underwater welders can make anywhere from $25,000 to $300,000 a year, dependent on a number of factors (primarily offshore versus inland) according to waterwelders.com/swim-salary-how-much-do-underwater-welders-earn/. Commercial diving school ranges from $5,000 - $30,000. What most people don't kno…
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Otherwise you could not move
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welding engineers - check out LeTourneau University's Welding/Materials Joining program in longview, txThere are also ABET accreditted Welding Engineering and Welding Engineering Technology programs at the Ohio State University and Ferris State University. The Ohio State University also offers a Mas…
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It is arc welding process using a spool of wire that is fed to the material by an electric motor. Different from shielded metal arc welding which uses consumable welding electrodes with a covering of flux to assist and protect the weld. The MIG uses an inert gas (IG) to keep impurities from the weld…
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guys precise ur skills it, this question cannot b asked or referred with anybody it about ur self , so you yourself have to sort out ur skills :) ( my opinion ) my objective is"As an MBA grad in Finance & HR , possess exceptional analytical and management skills to make the business efficient an…
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There are many MANY types of welding processes, but the most common for metal are: Gas-Torch welding, TIG welding, MIG welding, Flux wire welding, and Stick welding.
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Tungsten Inert Gas (orTIG) welding is also referred to as GTAW (Gas Tungsten Arc Welding) and by the term Heliarc® which was the Linde Company's trade name for the TIG process when it was originally introduced.The welding arc is started with a sharply pointed tungsten electrode shielded by inert ga…
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Welding training in Charleston, SC
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For welding engineering--LeTourneau University, Longview, TXOnly ABET accredited in Welding Engineering--The Ohio State University, Columbus OHOnly ABET accredited in Welding Engineering Technology--Ferris State University, Big Rapids, MI
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Welders are people who join a piece of metal by applying heat. The benefits of their career in welding include steady and substantial paycheck, development of skill, variety of welding jobs and possibility of advancement.
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You will get a copy when you pay for (and pass) your certification examination. If on the other hand you have been certified by an employer, your papers belong to said employer. Try asking *very* nicely.sir, i lost the original now i got job abroad for visa proccess now i need it how ican get a dup…
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In order to determine proper gauge of welding cable you must first determine how long the distance you will need in cable, the entire length for both electrode side as well as work clamp side, and you also need to know the amperage you will be using. Once you determine this there are various referen…
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Gas, arc, mig and tig.
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depending on the thickness of steel you have to change your amperage.... i like to work with 120 or higher with 1"1/2 angle iron The thump rule for any welding rod current selection is as follows: Current = Core wire Dia of the Electrode X 40 Example (4mm X 40 = 160 Amps ) Current shall be lower…
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what causes saturation in welding machine
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you shouldn't have to weld on a good gooseneck hitch. a good gooseneck is a bolt on accessory. check out the B&W turnover ball website http://www.turnoverball.com/
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Stitch welding, also known as a Staggard welding, is the process of welding to base materials in many short sections. This process gives a weld less strength, but usually keeps the material from warping too much since you use half as much heat. When strength is critical, full penetration welds may b…
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reverse polarity and straight polarityThe answer is right but a bit of furthur explanation is required. Polarity can be changed in DC output welding sets. The heat of the welding arc is concentrated on the positive terminal. So when thick plates are welded as more concentration of heat is required o…
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have a 92 sunrunner , passenger door main frame the two nut came though it, how can i weld them back in
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Every welder ought to have many clamps! C-clamps, vice grips, wide mouth vice grips (snap clamps) and bar clamps; a nice dead blow (metal mallet covered in rubber,) wire brush to clean welding area before and after weld, good grinder to grind down a finished weld. Also setup blocks, but that's only …
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This is a simple stress relieving process the welder can do to minimize warpage of material that was just welded.
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Cause in my hood that's just how we do work. And sometimes we like to go get that goodjug.Cause in my hood that's just how we do work. And sometimes we like to go get that goodjug.
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pipeline welding You could find them from many welding institutes round the world. check the websites.
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because you're making a short-circuit that's why!, whaddayaknow uh?More correctly as the label "arc welding" implies an arc is made by striking the metal to be welded with the electrode and this establishes the arc needed to generate the heat needed to melt the rod or filler metal and weld the paren…
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oxygen...25psi acetylene....7-10psi. Never go higher than 15psi with acetelyne. it will become highly volitile
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how much does it cost to learn how to weld underwater
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Porosity is the most common weld defect. For beginners don't rule out lack of penetration and non-compatible welding rod or filler wire. It all depends on how the weld failed if it has. Proper prep and preheat is required in many types of welding. So a little more detailed question can help me give …
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Welding rods are fillers that add to the molten pool of metal. They are usually stronger than the metals being fused. In arc welding, they have a coating that burns and creates a shield around the puddle.welding rods are used for weld two pieces of metal together, or to cut metal if you have big eno…
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you solder or braze it
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standard equvalent of kilometer to meter
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MMA stands for manual Metal Arc welding. In short "arc welding" and can be used in either AC or DC mode. Usually incorperated with Mig, Tig and plasma cutters for arc welding machines as an optional extra. submitted by Ken.Benson - Clarke. sales@edacomputers.co.uk from saffon walden, essex, uk.
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10000k
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I like CSWIP3.2 very much.
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Contradiction in terms. If its "non-fusion" then it isn't welding. You probably mean brazing.
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Most welding engineers are making between 65-75 right out of school. I'll be graduating here soon.
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All SMAW electrodes have letter and number designations. Those used for welding steel have a letter E (Electrode) followed by 4 or 5 numbers and may be followed by number/letter designations. Basically the first 2 or 3 numbers give you the tensile strength of the weld deposit in thousands of pounds …
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Hi porosity is the gas pores (or) gas pocket travel deep in the solidified weld bead.Major causes$ Inadequate shielding gas$ Poor welding technique$ Damaged welding accessories$ Natural effects like wind flow
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Polarity in welding has to do with the direction of the current in the welding process. With direct current (DC) the welding circuit can either be straight, or reverse polarity. When the machine is set for straight polarity, the current flows from the electrode to the weld surface and creates consid…
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The correct name of the electrode is E8018. E stands for electrode, the 80 stands for 80000 psi minimum as welded tensile strength, the 1 stands for all position, and the 8 is the number associated with the ingredients of the flux, which in this case is low hydrogen and increased amounts of iron pow…
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When welding something like gears, you need a rod that gives good penetration, and also has a fairly high density. I would probably use 6011 rods. These are the best for any "out of position" weld. Just be sure it's a close weld. Otherwise you'll get a lot of spatter (which you would then need to gr…
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You don't. You will never keep the tooth profiles right and will screw up the heat treatment. Get another gear!
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www.usinsuranceonline.com that's where i got mine and i am a mobile welder. Its under small business insurance, then under repairs, then under welding.
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A darker helmet shade, compared to gas welding. A shade of 10 for 70 amps, it works up from there, or you could buy a auto-darkening hood which you can see out of, but when you strick the rod on the metal it darkens to the right shade for you to still see out of.
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Oxygen tank, Acetylene tank, regulators for each tank, hoses, a torch, and a striker. Check valves are also a good idea if they're not already installed.
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