TPT January 2008

C oating, J acketing & Galvanizing Technology

includes an innovative revolver system incorporating four indenters. Similar systems require three or more objective lenses to cover the application range but, due to Zwick’s digital zoom technology, the ZHU250 requires only two. This enables a fast throughput of tests, and many different types of test can be carried out on the same machine with high accuracy and repeatability. The test results are also sent to the host computer system via a computer interface. “ A major reason for purchasing the ZHU250 was the excellent manufacturing quality, and the reliability of our existing Zwick Roell products ,” explained Mr Wessel Völcker, Deutsche Edelstahlwerke’s production manager.

Effective testing for heat treatment processes

Deutsche Edelstahlwerke, Germany, is a member of the Schmolz + Bickenbach AG group of companies, a producer, processor and distributor of special steel long products. The company offers a ‘one- stop-shop’ for heat treatment processes, including plasma nitriding.

Zwick GmbH & Co KG, Germany, has equipped the company’s laboratory with all of its hardness testers, the most recent being the ZHU250 TOP universal hardness tester. This machine has expanded the capability of the laboratory to carry out Rockwell, Vickers, and Brinell tests, and

fi The Zwick Roell ZHU250 TOP in use

Zwick GmbH & Co KG – Germany Fax : +49 7305 10 200 Email : info@zwickroell.eu Website : www.zwick.com Deutsche Edelstahlwerke GmbH – Germany Fax : +49 2302 29 4000 Website : www.edelstahlprofile.de

94 ›

J anuary 2008

www.read-tpt.com