New development: Rotational impact tester for impact tests
Hegewald & Peschke MPT GmbH has completed the development of a rotational impact tester for the highly dynamic testing of fiber composites and technical textiles. Together with cooperation partners from the TU Chemnitz (Chair of Structural Lightweight Construction and Plastics Processing), the STFI (Saxon Textile Research Institute e.V.) and the company Ehmer Elektromaschinenbau, the aim of a funded project was to realize strain rates in the range of 80 s-1 to 350 s-1 at reaction forces of up to 50 kN by impact tests. Material characteristics at such high strain rates are used for crash simulations, e.g. in lightweight construction or in the automotive industry. They represent the material behavior at 50 km/h (14 m/s).
In the developed rotational impact tester, a 300 kg rotating flywheel mass takes over the speed preselection and energy storage. However, other rotating masses can also be realized. For the actual test, the energy is transferred to a linear slide with the integrated specimen holder. The actual tensile test then takes only a few milliseconds. Compared to other technologies, with which equally dynamic tests are carried out (like pendulum impact testers, drop testers or high-speed testing machines), the rotational impact tester stands out due to its high testing speed and its high impact energy, at a comparatively small machine size.
The prototype is currently already being used for materials testing at the Chemnitz University of Technology. We are happy to offer demonstrations and preliminary tests. For further information contact us at the telephone number +49 35242 4450 or write us an e-mail: info@hegewald-peschke.de.
Über die Hegewald & Peschke Meß- und Prüftechnik GmbH
The measuring and testing technology specialist based in Nossen near Dresden has been developing, producing and selling high-quality machines, components and software solutions for materials, component and part testing since 1990. These include, for example, universal testing machines, hardness testers, component and furniture test stands as well as various length measuring devices for industry and research. The company’s 70 employees, with sales offices throughout Germany, also offer various services related to testing and measuring as well as the retrofitting of universal testing machines. In the areas of design and software development, Hegewald & Peschke maintains close cooperation with universities and Fraunhofer institutes, which ensures the high level of the products as well as their technical up-to-dateness. Hegewald & Peschke has been certified according to ISO 9001 and offers calibrations with DAkkS accreditation. For more information about Hegewald & Peschke GmbH, please visit www.hegewald-peschke.de.
Firmenkontakt und Herausgeber der Meldung:
Hegewald & Peschke Meß- und Prüftechnik GmbH
Am Gründchen 1
01683 Nossen
Telefon: +49 (35242) 445-0
Telefax: +49 (35242) 445-111
https://www.hegewald-peschke.de
Ansprechpartner:
Cornelia Graf-Chmiel
Marketing
Telefon: +49 (35242) 445-607
Fax: +49 (35242) 445111
E-Mail: cornelia.graf-chmiel@hegewald-peschke.de
Marketing
Telefon: +49 (35242) 445-607
Fax: +49 (35242) 445111
E-Mail: cornelia.graf-chmiel@hegewald-peschke.de
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