Spritzguss + Formenbau Bergmann adds EOS metal Additive Manufacturing system for high grade tool production

May 13, 2014

German plastic injection moulder, Spritzguss + Formenbau Bergmann, has purchased its first metal Additive Manufacturing system for the production of high grade tool inserts. The EOSINT M 280 metal system from EOS now enables the company to produce tooling (such as cores or slides) and prototypes directly from metal.

The system is based on the direct metal laser sintering (DMLS) from EOS, which builds up components layer by layer on the basis of 3D CAD data. Constant process monitoring ensures maximum reproducible quality of all components.

Using the technology for tool making it is possible to achieve extremely complex geometries, which can include freeform surfaces, fins and cooling channels. In particular, it is possible to create conformal cooling channels which result in reduced cycle times and quality optimisation in the components produced.


Additively manufactures tooling core (let) with customised conformal cooling channels shown in the 3D CAD drawing (right) (Courtesy Spritzguss + Formenbau Bergmann)

“Right from the start we were convinced about the benefits of the EOS additive manufacturing process. Not only can we employ the new metal system for toolmaking on the premises but we can now also perform contract work for our customers, based on this new manufacturing technique,” stated André Gerbert, assistant to the senior management at Spritzguss + Formenbau Bergmann.

The Additive Manufacturing system allows the company to achieve considerable reductions of up to 20% in cycle times. “Moreover, as additive manufacturing enables conformal cooling of tool cores we can implement a 50% increase in the quality of the tool produced. It should also be noted that half of the tool cores that we are now able to produce using the EOS system could previously not even be manufactured using conventional methods,“ added Gerbert.

Bergmann Spritzguss + Formenbau was founded in 1989 and now maintain two sites with approximately 250 employees, where it produces high-grade plastic parts. The company operates more than seventy injection moulding systems and is equipped with the latest production technology for toolmaking.



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