Humans began pouring the first sand castings approximately three millennia ago. And until recently, that technology has remained virtually unchanged (see Figure 1): • A replica, or “pattern,” of the ...

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 ...

Hoosier Pattern Inc. was founded in 1997, has grown to house a workforce of around 50 people and nearly 30 production machines, and prides itself on delivering cores and moulds on time and at the ...

This week I’m going to attempt to kill two birds with one bush – er, that’s not right – but you get the idea. I’ll identify an item that was in Hazard A Guess, and that has gone un-named for several ...

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 ...

Aeronautical engineers face an imposing array of problems in designing aircraft that are safe, perform well, and can be built and sold at a competitive price. After the desired aerodynamic elements of ...