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Sheet Metal Forming

Sheet metal forming is a basic metalworking and metal processing technique and is among the oldest production technologies. Innovation is largely driven by transport technology, particularly the automotive industry. Increasing demands on sheet metal materials under the general heading of lightweight construction have led to the development of high strength and ultra high strength steel materials, although their reduced ductility and higher elastic recovery are setting new challenges for forming technology and process control.

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Typical Applications in Sheet Metal Forming

Typical sheet metal forming applications include the classical cupping test to Erichsen (ISO 20482) and Olsen (ISO 20482), the earing test (ISO 11531 / EN 1669) and hole-expansion tests to ISO 16630, which are seeing increasing use with high strength steel materials. Particular importance is attached to determination of the forming limit curve (FLC) to ISO 12004, which is used in a two-stage experiment to generate critical deformations in tests, which are then compared with existing deformations on real components and evaluated. Once the forming limit curve (FLC) has been determined, it is used during the component design stage to help optimize sheet metal forming, thereby speeding up the development process.

Additional Sheet Metal Forming Applications: Cupping tests

Additional Sheet Metal Forming Applications: Earing tests

Additional Sheet Metal Forming Applications: Hole Expansion Tests

KWI test

Additional Sheet Metal Forming Applications:

U-bend test