sand casting, lost PLA casting, lathe turning, milling, and even some good old-fashioned sanding. The most tedious part of the process appears to be dip coating of ceramic for the lost PLA mold ...

One way of doing this is to use rapid prototyping technologies. Rapid prototyping uses three-dimensional (3D) computer aided design to quickly fabricate a part or, alternatively, a sand mold for ...

Making silicone molds ... There’s more than one way to make a mold, especially for casting in metal. We’ve seen everything from 3D-printed molds to kinetic sand.

Casting process of gate valves begins with creating detailed molds using sand or investment casting techniques. Molten metal, typically iron, steel, or bronze, is poured into the mold to form the ...