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New developments in metal laminated tooing

: Himmer, T.; Techel, A.; Nowotny, S.; Beyer, E.

Journal for technology of plasticity 28 (2003), Nr.1-2, S.13-19
ISSN: 0350-2368
Fraunhofer IWS ()

Time reduction and quick geometrical changes of complex components and tools are currently the most important demands in product development. The manufacturing process presented in this paper is based on multiple additive and subtractive technologies such as laser cutting, laser welding, direct laser metal deposition and CNC milling. The process chain is similar to laser-based Rapid Prototyping Techniques. In the first step, the 3D CAD geometry is sliced and then joined toget her. In this way laminated tools or parts are built. To improve surface quality and to increase wear resistance a CNC machining center is used. The system consists of a CNC milling machine, in which a 3 kW Nd:YAG laser, a coaxial powder nozzle and digitizing system are integrated.