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E-Drive Concept Demonstrator

Automotive TruPrint Additive manufacturing

The demonstrator shows the possibilities of additive manufacturing in combination with exceptional materials and AM design freedom. The copper coils are individually designed in each winding to increase the copper fill factor of the E-Drive and printed with the TruPrint 5000 Green Edition. The use of pure copper demonstrates excellent material properties such as> 100 % IACS electrical conductivity. The housing is made of aluminum (a typical ferromagnetic material), for example, and internally cooled to increase performance. The TruPrint systems print with a very high level of reproducibly. The simple change of production, for example from TruPrint 3000 to TruPrint 5000, is a great advantage for scaling production and reducing start-up costs.  The 2x 700 W laser power means that the TruPrint 3000 can now print 220 cm³ aluminum parts per hour with two lasers. Thanks to the additional laser, the TruPrint 5000 achieves even higher values with consistent surface quality.

The electrical conductivity of the pure copper with > 100% IACS combined with the internally cooled housing allow maximum component and motor performance


High-resolution detail printing
Maximum material performance
Design freedom with additive manufacturing
Reduced development time

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Do you have a component that you would like to 3D print? Would you like to know what potential savings there are, and what advantages you could benefit from with additive manufacturing? Then get in touch with us today to arrange an individual consultation with our experts.

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Facts & figures for an example part

Material: pure copper and AlSi10Mg housing

Conductivity: 101% IACS

Created by: TRUMPF

The next level for electric motor concepts is possible through additive manufacturing with high-end material properties from a robust PBF machine using the green laser.

Michael Thielmann
TRUMPF Laser- und Systemtechnik GmbH

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TruPrint 3000, flexible solution for industrial 3D printing
TruPrint 3000

The TruPrint 3000 is a universal medium-format machine (LMF / PBF / LPBF) with Industrial Part and Powder Management. This mean you benefit from even more flexibility, quality and productivity for your additive series production – now also with the full-field multilaser option with two 500 watt lasers from TRUMPF. Productivity is almost doubled, independent of the component geometry, and the part costs are significantly decreased.

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TruPrint 5000
TruPrint 5000

The highly productive, semi-automated 3D printing system TruPrint 5000 prepares you for industrial batch production – with features such as optional 500 °C preheating and the full-field multilaser equipment with three 500 watt TRUMPF lasers. Thanks to the preform option, the TruPrint 5000 supports hybrid component production. For this purpose, the component structures to be additively manufactured are applied to a blank.

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TruPrint 5000 Green Edition

The TruPrint 5000 Green Edition is the medium-format 3D printing system for processing reflective materials such as copper or precious metals. As such, the 3D printer opens up new opportunities for additive manufacturing of large components, induction coils or components for complex cooling applications, e.g. for power electronics and optoelectronics.

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