Month: March 2018

understanding Soldering : vacuum or gas soldering

welding
Like many sheet metal terms, soldering and welding are used interchangeably. However, while these two operations are similar, their process and sub-techniques are different. The main difference between welding and soldering is melting. In soldering, metal fabricators heat the metal to be bonded but never melt them. In welding, metal fabricators melt the base metal. Common features of vacuum and gas soldering are as follows: All solders are made of metal materials with a lower melting point than the base metal. Liquid solder is used to wet the base metal, fill the gap between the joints, and diffuse with the base metal to join the solders. Differences between vacuum and gas soldering: The principle of vacuum and gas soldering is basically the same, but there are large differences...

understanding welder qualification

welding
Welder ranks Welders are a multidisciplinary specialty that allows you to develop and move further along the path of self-improvement. The entry point in the profession is the 1st rank of the welder, and the specialist with the 6th category of the welder is recognized as the true master. The profession itself is in demand in the modern world in industry and in manufacturing. You can buy it in special training centers. Welder Categories There are several categories of welders: masters of work on press welded equipment; beam welding master; diffusion welder; electric gas welder; gas welder using termite welding. In places for training and certification, you can acquire an initial level of knowledge and skills. After the completion of preparatory training courses, ...