Few 17-year-old girls know how to weld(焊接) two metal pipes together.I have learnedthis skill in the past five years as a(n)_41 for my father's personal plumbing(管道装置)business. This summer job often needs to deal with the mess that causes physical and mental42 , and, to some...
There is described a method for welding thin metal sheets (A, B) by the localized heating of limited juxtaposed zones of the metal sheets to be welded to cause their fusion and to form spot welds (S). In each weld zone, the metal sheets (A, B) are heated and fused along a closed...
How to fix/weld this lamp metalQ. I had a piece of sheet rock fall on my hall lamp. Absolutely no markings on the lamp as far who/where it was made. House built in 1991. Trying to figure out if I can repair the cracked base. Not...
The invention relates to an electric arc welding method for welding at least one metal part including an aluminum based surface coating, using a shielding gas. According to the invention, the metal of the aforementioned metal part is melted by the electric arc alone without the use of any lase...
This guide will teach you how to weld steel with a flux core welder. It is essential that you are already familiar with working with metal, such as cutting it, and are aware of the safety measures associated with this type of work. Cut the...
Welding pipes is one of the simplest and most durable ways to join piping together and steel pipes can simply be welded together with MIG (metal inert gas), TIG (tungsten inert gas or SMAW (stick metal arc) welding. Before welding two pipes together, avo
A blowtorch made it easy to cut and weld metal more precisely by focusing a high temperature on a small point. Welders and plumbers are not the only ones who wield these fire-breathing machines. Regular folks may keep them around the house for various tasks including lighting cigars, mending...
Manual welding: Why every weld matters Posted on28. February 2024 Every day we cross bridges, hold on to stair railings, lean over balustrades, and rely on the same thing when doing so: support and safety. These properties can only be achieved through flawless, high-quality weld seams pro...
Consider purchasing both 3⁄32- and 1⁄8-in.-dia. electrodes for a 120-V machine, which will allow you to weld sheet metal up to ¼ in. thick. Sometimes you can find a 5⁄64-in. electrode, which is ideal for welding thin sheet metal. A large-diameter electrode, like 5⁄...
When you are selecting a metal to use in fabrication, to perform a mechanical repair, or even to determine if the metal is weldable, you must be able to identify its underlying type. Some field metal identification tests can be used to identify a piece of metal. ...