Ruhstrat and Eisenmann join forces for a new generation of sintering furnaces

September 1, 2014

Following the completion of brand new offices and manufacturing facilities in Bovenden, Germany, the integration of two long established furnace manufacturers, Ruhstrat GmbH and Eisenmann AG, has now been completed. The PM activities of both companies will be joined and centralised in Bovenden in order to exchange know-how and experience. Eisenmann AG acquired Ruhstrat in 2011 following a number of years of co-operation.

The first results of this co-operation have already been demonstrated in the joint development of a second generation roller hearth sintering furnace. Combining Eisenmann’s extensive know-how in roller furnaces and Ruhstrat’s long time experience with protective atmosphere, the next generation sintering furnace has been commissioned. These new furnaces feature an efficient delubing system with an optional direct gas fired section, combined with improved energy efficiency and lowered gas consumption.

Founded in 1888, Ruhstrat GmbH has a long tradition in high temperature furnaces. At the end of the 19th century, co-operation with Nobel prize winner Prof Walter Nernst from the University of Göttingen resulted in the construction of the first resistance heated high-temperature furnace suitable for temperatures up to 3000°C. Since then, Ruhstrat  has focused on customised solutions for advanced heat treatment of powdered materials and graphites. In the 1990s specialist MIM equipment for debinding and high temperature sintering was introduced, including a continuous sintering furnace operating at around 1500°C. In addition to serving the PM industry, Ruhstrat has been building continuous furnaces for the carbon fibre producing industry, where temperatures up to 3000°C are commonplace. It is this capability which led to a close co-operation between Eisenmann and Ruhstrat.

Eisenmann entered the PM industry at the end of the 1990s, when it introduced its first high temperature roller hearth sintering furnace. The Eisenmann system consists of individual furnace modules, each with its own roller drive unit, connected through double gate door systems. This allows the user to set a unique temperature profile and atmosphere, adapted to the specific needs of each processing step in the sinter process (delubing, sintering, hardening, annealing etc). With sintering temperatures up to 1350°C and atmosphere separation, both traditional as well as advanced materials could be produced with a very high accuracy. Eisenmann has furnace manufacturing capabilities in Germany, US, Mexico and China.

www.ruhstrat.com   |   www.eisenmann.com

 

Industry News

Read the latest issue of PIM International

The latest issue of PIM International magazine is available to view online or download in PDF format.

As well as an extensive MIM, CIM industry and sinter-based AM industry news section, this 116-page issue includes the following exclusive articles and reports:

  • The evolution of MIM at Matrix: From transforming the production of eyewear components to luxury goods and beyond
  • Desktop Metal’s Live Sinter™: How simulation software is mitigating sintering distortion
  • High-Cycle Fatigue response of MIM 8620 and 100Cr6 steels and their sensitivity to mean stress, notch sharpness and weld line position
  • Perspectives on extrusion-based metal Additive Manufacturing: From bionic design to hollow structures and foams
  • How on-site gas generation supports the integration of sintering facilities into MIM and sinter-based AM operations
  • > Go to magazine page

E-newsletter

Register for our e-newsletter and we'll let you know each time a new issue of PIM International magazine is available, as well as keeping you informed of MIM and CIM industry developments.

Industry News

Copy link
Powered by Social Snap