Thinning and Circle Grid (Surface) Strain Analyses are Engineering Quality tools that can help determine where trouble spots could develop during the production processing of your parts. The forming limit of a given steel is based on the thickness and the strain hardening exponent (n-value). The forming limit for other alloys must be determined experimentally. Knowing these parameters, and their minimum values likely to be encountered in production, it is [...]

The Tool & Die Authority was published by the Precision Metalforming Association as a combination of blog-style news and exclusive information about tool and die companies, markets, customers and much more. TDA provided solid technical tips not found anywhere else that helped tool and die operations solve a range of challenges, enabling them to offer top-notch service to their customers while improving their bottom line. Tool & [...]

Danny Schaeffler may be the current Science of Forming columnist, but Dr. Stuart Keeler was the founding columnist where he wrote nearly 200 articles. Engineering Quality Solutions is a proud sponsor of the Science of Forming Vol. 2, a CD-ROM containing many of the material-formability articles and tutorials by metalforming expert Stuart Keeler. Dr. Keeler is best known worldwide for his discovery of forming limit diagrams, development of circle grid [...]

Abstract Sheet metal production isn't much different than baking a cake. It requires the right ingredients, added at the right time and processed at the right temperature for the right amount of time. Literally hundreds of different types of metals are available, each with it's own blend of physical, chemical, and surface properties and characteristics. Pure metals are relatively soft and malleable. When you move a carpet, it takes alot [...]