Rotational moulding, also known as rotocasting or rotomoulding, is a low pressure, high temperature manufacturing method for producing hollow, one-piece plastic parts. As with most manufacturing ...

Rotational molding is noted for big parts such as a 21-ft boat hull and a 21,000-gal tank. By Glenn Beall, Glenn Beall Plastics Ltd. Editor?s note: This article is a sequel to ?Rotational Molding, ...

Glenn Beall is president of Glenn Beall Plastics Ltd. After years of experience in product and mold design, moldmaking, and molding, he turned to his current role of consulting and teaching. In 1868 ...

As described in Chapter 1, the basic principle of rotational moulding involves heating powdered (or liquid) plastic, and subsequently cooling it, inside a hollow shell-like mould. During the heating ...

In May 1995, Plastics Custom Research Services published a report covering the North American rotational molding business. Later that year, in August, Plastics News published the results of its ...

Product design students Andrew Duffy, Craig Tyler and Edward Harrison have built a machine for making plastic objects, which is powered by a cordless drill. Made of scrap materials, the device ...

Materials are among the most critical elements in many designs, so engineers need to stay up to date on materials advances. But, when you talk about materials, you have to talk about process, too.

[Aurelio] wrote in to tell us about the smartCaster, an “Open source automatic roto-casting machine.” For those of you not familiar with roto-casting, or rotational molding, it’s a process whereby ...

Rotational moulding is a low pressure, high temperature manufacturing method for producing hollow one-piece plastic parts. The moulding process dates back hundreds of years to the Swiss use of the ...