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HANNOVER MESSE 2020, 20 - 24 April
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3D-printed laser processing head

Logo Laser Zentrum Hannover

Exhibitor

Laser Zentrum Hannover

Exhibitor details
Exhibitor details
Logo 3D-printed laser processing head

Product description

The 3D-printed laser processing head has been developed by the company LASER on demand GmbH (LOD) in cooperation with the Laser Zentrum Hannover e.V. (LZH) and the Kampfmittelräumdienst Hamburg (KRD) within the scope of the project DEFLAG "Safe Deflagration of Duds by Laser Technology".

Unexploded bombs are still a serious threat to civil security in many parts of the world. The challenges and dangers of conventional defusing methods are enormous and are a hot topic. During the defusing process, there is an extremely high risk of unwanted detonation, especially when complex ignition systems are involved. Often the blowing up of the bomb remains the last resort.

In the DEFLAG project, the partners are therefore working on a laser technology to safely defuse bombs in the future. With the mobile laser processing head, the steel shell of the unexploded bomb is first weakened in a defined way. Likewise, by means of laser technology and a deliberately low energy input, only a small part of the explosive material is activated very slowly in a further step. This triggers a so-called deflagration and prevents an uncontrolled explosion. Nevertheless, the processing head is likely to be damaged during this process, and therefore it should be produced as inexpensively as possible. The Additive Manufacturing of the laser processing head from polymer materials and the optical standard components fulfill this requirement. In addition, the fiber end is not attached to a high-priced fiber connector, but spliced to a protective glass, thus also saving material costs.

The 3D-printed laser processing head is versatile. In macro-material processing, this can be used, for example, for laser ablation by melting. Since individual adjustments are easy to implement, the laser processing head is also suitable for use in laboratories.

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