Jahresbericht 2017

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Production and Logistics
n Production technology is – in addition to the automotive industry – Germany’s top export
and one of the pillars of the Department of Mechanical Engineering since its inception.
Increasing Electric Drive Efficiency by an Optimized Production Process
For a long time, special emphasis has been placed on
integrating enhancements into the entire process chain,
from the design phase to the customer, rather than
considering individual stages in isolation. Closely related
to this are fundamental research and application, such as
the question of how to simulate and suppress oscillations
in production machinery, how to implement models for
optimization of the design and production process, or how
new materials can be processed resource-efficiently. A
sample of production technology highlights follows:
In order to convert electric into kinetic energy in an electric
drive, magnetic fields must be generated. Therefore the
magnetic properties of the electric drives’ main compo-
nent, the so-called electrical sheet metal, are decisive for
its efficiency. It has been shown, that the manufacturing
process of the electrical sheet metal has a negative
influence on its magnetic properties. This is mainly due
to the residual stresses induced in each processing step.
Especially when looking at the blanking process, the
manufacturing parameters have a significant impact on
the magnetic properties. Using optimized blanking param-
eters can decrease the losses and the electricity demand
of an electric drive.
This work is funded by the Deutsche Forschungsgemein-
schaft (DFG, German Research Foundation) – 218259799
and carried out in the research unit project – ‘FOR 1897
– Low-Loss Electrical Steel for Energy-Efficient Electrical
Drives’.
Microscopic image of an electric drive’s blanked stator
SynErgie – Synchronized and Energy-adaptive Production Technology for Adapting Industrial
Processes to a Fluctuating Energy Supply – Project Cluster Production Infrastructure
The SynErgie project, with its more than 50 partners,
aims to create within the next ten years all technical and
market requirements in line with legal and social aspects
in order to effectively synchronize the energy demand of
German industry with the volatile energy supply. SynEr-
gie thus contributes to the cost-efficient realization of
renewable energies and enables Germany to develop into
an international leader for flexible industrial processes and
technologies.
The project ‘SynErgie’ is funded by the Federal Ministry of
Education and Research (BMBF). We would like to thank
the BMBF for its excellent support. For more information,
see
Use of smart devices in adapting industrial processes to a fluctuating
energy supply