General Electric electric welders, 1921
Automatic welding was invented by P.O. Nobel of the General Electric Company and introduced in 1920. It utilized bare electrode wire operated on direct current and utilized arc voltage as the basis of regulating the feed rate. Railway and machine shops used it to build up worn motor shafts and worn crane wheels.
4 comments:
Welding is a fabrication process that uses high heat to form a durable joint between two separate pieces of material. There are so many types of welding machines available for different types of welding. However, if you want to buy the best welding machine you can visit the Service Welding Supply.
When repairs of any of flight-critical parts are required, it is extremely important to make the weld repairs equal to the original weld. Identifying the kind of metal to be welded, identifying the kind of ahp alpha tig welding process used in building the part originally, and determining the best way to make welded repairs are of utmost importance.
In theory a sphere is the best shape for a asme pressure vessels; however a spherical shape is quite difficult and expensive to manufacture so cylindrical shapes are more commonly employed. Small vessels can be manufactured from a pipe and two end covers.
it's really important to have a tool room machinery to fic a hard part on CNC don't you agree with me ??
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