OBE Ohnmacht & Baumgärtner demonstrates MIM automotive applications with valve cam follower

June 20, 2018

OBE Ohnmacht & Baumgärtner demonstrates MIM automotive applications with valve cam follower

OBE’s MIM valve cam follower, which offers reduced weight and increased efficiency (Courtesy OBE Ohnmacht & Baumgärtner GmbH & Co. KG)


OBE Ohnmacht & Baumgärtner GmbH & Co. KG, a manufacturer of precision mechanical metal parts headquartered in Ispringen, Germany, has developed a metal injection moulded automotive valve cam follower. According to the company, the use of MIM to produce the cam follower increases efficiency and saves weight, while also reducing translatory inertia.

By using the capability of Metal Injection Moulding to create complex and lightweight shapes using highly temperature resistant alloys, OBE stated that it is possible to develop parts for the areas of automotive engines which demand the highest performance, such as components for fuel injection and combustion or valves.

A valve cam follower is a key component of the valve gear, designed to improve the performance of high-speed racing engines by transforming the circular motion of the camshaft into an upward and downward motion. By designing the component for MIM, OBE stated that it was able to improve the efficiency and economy of the production process, while reducing the part weight.

OBE began MIM production in 1996 and now produces MIM components under the brand mimplus®. The company offers a range of services from product development support through to finishing and assembly of MIM components and subassemblies. In addition to its Ispringen headquarters and production plant, the company operates three subsidiaries in Italy, Hong Kong and China, and representatives in Japan, South Korea, France and Brazil.



In the latest issue of PIM International…

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Extensive MIM, CIM industry and sinter-based AM industry news, plus the following exclusive deep-dive articles and reports:

  • Global Markets for Metal Injection Moulding: Data and insight from World PM2022 and beyond
  • HP Metal Jet: Growing momentum and new applications as Binder Jetting comes of age
  • Sintex: Exploring the full flexibility of metal powder-based processes for corrosion-resistant applications
  • Tritone’s MoldJet: The definition-defying AM technology advancing steadily toward commercialisation
  • The metal powder-based processing of titanium: MIM and AM-related highlights from the PMTi2022 conference
  • Opening the door to MIM parts: A case study on the conversion of die cast door hinges

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