The basic components and design of a dc plasma arc gun are illustrated in the diagram. Direct-current plasma arc guns combine an axially aligned cathode, an anode/nozzle, and some means to control gas flow geometry in the arc chamber.
Ipsen, Cherry Valley, Ill., recently installed both atmosphere and vacuum heat-treating systems at SKF’s state-of-the-art manufacturing facility in St. Louis.
Steel Dynamics Inc., Fort Wayne, Ind. , has completed the acquisition of Vulcan Threaded Products Inc., America’s largest manufacturer and supplier of threaded rod products, and also a producer of cold-drawn and heat-treated bar.
Buehler, Lake Bluff, Ill., announces that it has extensively upgraded its Wilson DiaMet hardness testing software with features designed to facilitate and accelerate specific applications, such as the documentation of the hardness distribution in welds, or the depth of hardening in induction-hardened workpieces or in objects hardened by conventional processes.
Solar Atmospheres of California, Fontana, announces that it has been awarded Nadcap 24-month Merit status for Heat Treating, which means that instead of having its next Nadcap audit in eighteen months, it has been granted an accreditation that lasts until July 31, 2018.
