Testing machine for hole expansion tests of GPa-class high-strength steel plates with crack detection function.
Regardless of whether it is an internal combustion engine, EV, HEV, PHEV, or FC, the lightweighting of automotive body steel sheets has become an eternal theme in advancing the lightweighting of automobiles. To achieve lightweighting, the use of high-strength steel sheets raises the issue of poor workability, which automotive OEMs and Tier-1 companies are addressing through research to improve formability. As the strength of high-tensile steel sheets reaches GPa levels, existing formability testing machines are insufficient in capacity. We introduce a 1000 kN class formability testing machine (for hole expansion tests, deep drawing tests, Erichsen tests, etc.) as a solution to this problem. For individual inquiries, please visit https://www.zwickroell.com/ja/contact/. Japanese input is accepted, and contract testing is not conducted.
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basic information
Hole Expansion Test with Crack Detection Function / ISO 16630 Erichsen Test / JIS Z 2247 / ISO 20482 Cupping Test / ISO 20482 Ear Cup Test / ISO 11531 FLC Test / ISO 12004 Bulge Test / ISO 16808 LDH Test Conical Cup Test / JIS Z 2249 Coating Film Test / ISO 1520 U-Bead Test
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Common sheet metal forming test methods include traditional cupping tests in accordance with Erichsen (ISO 20482) and Olsen (ISO 20482), the ear forming test (ISO 11531 / EN 1669) to determine ear forming tendencies, and hole expansion tests in accordance with ISO 16630, which are increasingly used for high-strength steel materials. Particularly important is the determination of the forming limit curve (FLC) in accordance with ISO 12004. This is evaluated by generating deformation in a two-stage test and comparing it with the existing deformation of actual components. Once the forming limit curve (FLC) is determined, it is used in the design phase of components, supporting the optimization of sheet metal forming and speeding up the development process.
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Our company is a global leading supplier of static material testing machines. In the field of dynamic testing, we have been providing solutions for fatigue testing systems for many years. We also offer innovative BUP sheet metal testing machines, hardness testing machines and devices, extrusion plastometers for melt index measurement, and products for impact testing.
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