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Diode holder

General industry TruPrint Additive Manufacturing

Additive manufacturing enables the topology optimization of this high-tech diode holder. The part has an overall length of 450 mm, with a weight saving of over 50%. A fourfold increase in rigidity and a doubling of the first normal mode are also achieved.


Length 450 mm
Higher rigidity
Normal mode increased
Weight reduction

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Facts & figures for an example part

Weight:711 g (conventionally 1,550 g)

Max. deflection: 0.007 mm (conventionally 0.03 mm)

Rigidity: 399% (conventionally 100%) 

First normal mode: 197 Hz (conventionally 96 Hz)

Created by: TRUMPF Consulting and HEXAGON

Although this did not appear to be a suitable part for additive manufacturing, the topology optimization increased the rigidity more than expected and the substantial reduction in weight was so pronounced that a conventionally necessary counterweight became superfluous. As a result, it became feasible to reduce the size to 450 mm, a dimension that was just about achievable diagonally.

Peter vom Stein
RI Research Instruments 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 means you benefit from even more flexibility, quality and productivity for your additive batch 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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