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What are two advantages of using bonded structures over riveted structures?
Some advantages of welded and bolted structural steel connections include improved durability, strength, and longevity. The weld provides a physical bond while the bolts provide constant pressure to help prevent broken welds.
Why is co2 added to argon when making gma spray transfer welds?
Oh, dude, like, CO2 is added to argon in GMA spray transfer welds because it helps increase the heat input and penetration of the weld. It also stabilizes the arc and reduces spatter, making the welding process more efficient. So yeah, CO2 is basically like the sidekick that helps argon do its job better in welding.
Why cast iron can not cut by gas cutter?
The simple answer is that stainless steel oxidises during the cutting process and this has to be removed before and further process can take place. Oxy Acetylene cutting equipment cannot be used because the oxygen reacts with the chromium and nickel to create a very aggressive and thick oxide layer on the cut material and this is very difficult to remove. During the TIG welding process (commonly used for the first run in butt welds in stainless steel) the same problem arises unless the welding is carried out in an inert atmosphere (usually high purity argon) hence the need for backing gas when welding stainless steel piping.
What is a reactor used for in welders?
A reactor in a welder is used to control the voltage and current output of the welding machine. It helps regulate the amount of electricity flowing through the welding circuit, which is essential for producing consistent and high-quality welds.
What is Herringbone porosity?
Herringbone porosity refers to a specific type of porosity pattern that resembles the bones of a herring fish. It is commonly observed in materials such as welds, ceramics, and rocks, where the porosity formation is aligned in a repetitive V-shape pattern. This type of porosity can impact the structural integrity and mechanical properties of the material.
What does OFW mean in welding?
OFW stands for oxygen-fuel welding. This groups together the welding processes that use oxygen and a fuel, such as acetylene or propylene, to heat the base metal to it's melting point. Autogenous welds may be made using this process (meaning without filler metal).
What are the advantages and disadvantages of tig welding?
Advantages Can be used to weld almost any metal as well as dissimilar metals. Gives very good quality welds (structurally and appearance) No slag involved Disadvantages Slow requires high skill to master
How melal are used in welding?
Depending on the welding process, material preparation and welding procedure (Preheat, Interpass maintenance, Post weld cooling time), virtually all metals can be welded. Welding is in almost everything manufactured from metals (and some plastics), from cars and spacecraft to potato chip bags and cola cans. If you look under the hood of your car, you will see small indentations where parts come together (spot welds), your bicycle has GMAW welds, plastic garbage bags are sealed by microwave welds, the stainless steel stove hood is GTAW welded, the bridge you drove over has SMAW welds....and the list goes on... If it's made of metal, there is probably a weld on it.
What is the plural of weld?
The plural of 'weld' is 'welds', as in "He made several welds to the car frame."
What does a arc welder do?
it welds
What is a clean process that welds complex materials with a highly concentrated arc?
A clean process that welds complex materials with a highly concentrated arc is?
How many more spot welds were added to the 2012 Toyota Camry?
56 additional spot welds were added Adrees Toyota of Berkeley
What is the probability that 20 substandard welds will be found out of 300 randomly selected samples knowing that 5 percent will be substandard?
Using the Poisson approximation, the probability is 0.0418
How do calculate a welding rods per inch dia in ms pipe welding?
You multiply the number of welds by the diameter of the pipe that those welds are applicable to.
What does gmaw tack 2x on the tail of a welding symbol mean?
In a welding symbol, "gmaw" refers to Gas Metal Arc Welding, and "tack 2x" indicates that two tack welds are required at the tail of the symbol. Tack welds are temporary welds made to hold components in place before final welding. This notation ensures that the welder knows to apply two specific tack welds as part of the assembly process.
How do you blend in welds from the stop and start position?
To blend in welds from the stop and start positions, first ensure the welds are clean and free of contaminants. Use a grinder or flap disc to carefully grind the edges of the welds, tapering them down to the base material to create a smooth transition. Pay attention to the heat input and avoid overheating the surrounding area to prevent warping. Finally, finish the surface with a finer abrasive to achieve a uniform appearance.
Why are pipe butt-welds beveled?
to assure a strong bond
