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 ...

Metal foams, also called cellular materials, are metallic bodies with interdispersed voids called cells. They have a reputation for high strength, low density, and absorbing impact. This combination ...

Sand-casting metal parts is a technique that has been around for a very long time, but it can be educational to see the process from start to finish. That’s exactly what [Frederico] shows us with his ...

Japanese-headquartered global foundry group relies on sand binder jetting from Desktop Metal’s ExOne brand at facilities in Japan and the United States to deliver high-quality castings with fast ...

There exists a need for ever more accurate parts and products to be created, and to be created quickly and efficiently. One way of doing this is to use rapid prototyping technologies. Rapid ...

[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 ...

Initially, we used a gas furnace to produce the brackets using a sand casting process. But brackets cast in this way were too hard to machine. Cutters and other machine tools usually broke when we ...