Pouring molten metal into three-dimensional molds to make metal parts is the basis behind both sand and investment casting. But there are significant differences between these two methods. In sand ...

That process in turn utilizes a technique known as sand casting, in which molten metal is poured into a mold made of sand and a bonding agent such as clay. In this case, an inert gas is then pumped ...

This file type includes high-resolution graphics and schematics when applicable. Sand casting and investment casting are methods of creating metal parts by pouring molten metal into three-dimensional ...

[Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try metal casting. Having created his own tapping arm, he ...