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Induction coil welded to connection plate

Science TruPrint Copper Additive manufacturing

This use case shows the weldability of components from additive manufacturing with green laser light. In this case TRUMPF offers "everything from a single source", since the green laser beam source can be connected to the TruPrint machine.  In addition to the welded joint, the example part shows that any surface can be printed using a green laser with minimal heat input and maximum reproducibility can be achieved.  With the levitation coil, a metallic body can be levitated and melted in an electromagnetic field. The seamless 3D printing of the component reduces joining and solder joints to prevent leaks in the inner cooling channel. Complex geometry requirements for wall thickness and shape are implemented.

Maximum reproducibility
Minimal heat input

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Facts & figures about the example part

Weight: 200 g

Production time:  4.7 h (3D printing with the TruPrint 1000 Green Edition)

Number of layers: 1883, ea. 30 µm

Material: pure copper

With the green laser, 3D-printed copper components can be welded to conventional copper components, reproducibly and with low spatter. This opens up new production-related design possibilities for the distribution of 3D functional components and their integration into the system environment.

Dr. Günter Ambrosy
TRUMPF Laser and System Technology

Find out more about the product

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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