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Explain the different types of gas welding flames & their application

Heat source in the Gas welding (oxy fuel gas welding) is the flame produced by the combustion of a fuel ( Acetylene) and oxygen. Three different types of gas welding…

Manufacturing Process Metal Casting Process

What is pattern? What are the materials used for making pattern?

Pattern is the mirror image or replica of the component that has to be manufactured by casting. A pattern prepares the mould cavity for the casting process. Materials used for…

Manufacturing Process Metal Casting Process

What is core ?

Core is a body made of refractory material which is placed into a mould cavity to get the internal hollow cavity in casting. The cores are surrounded by molten metal…