Manufacturing technology is often energy- and resource-intensive. We are working on making processes more efficient, saving energy in tool production and reducing residual materials. By working with us, you will help us to make production more sustainable.
Manufacturing technology is often energy- and resource-intensive. We are working on making processes more efficient, saving energy in tool production and reducing residual materials. By working with us, you will help us to make production more sustainable.
By carrying out the grinding process in an oxygen-free environment, we can specifically investigate how oxygen affects tools and workpieces. In doing so, we are jointly developing new approaches, discovering the limits and potential of this special machining technique, and thus contributing to the manufacturing technology of tomorrow.
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In the Demand Based Cooling project, we are investigating how to cool the drive of a machine tool in a targeted manner and only when necessary. To this end, we are taking a closer look at all electric drives in order to save energy, minimise temperature fluctuations and thus increase manufacturing quality. For energy-efficient distribution of the cooling medium, the solenoid valves and the feed pump of the coolant circuit must be controlled in a targeted manner.
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In the DFG grain coating project, we are analysing the influence of different grain coatings on the performance of bronze-bonded diamond grinding wheels. The initial focus will be on investigating relevant influencing factors of the materials and the process in tool manufacturing. You will conduct research for us, prepare experiments and thus develop a sound understanding of the process.
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In the SPP 2402 priority program, we are developing so-called greybox models for improved prediction of tool wear. These models consist of data-driven blackbox models and whitebox models based on FEM simulation. In your work, you will optimise and expand an existing simulation model for calculating tool wear.
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During tool grinding (e.g. of milling and drilling tools), the design of the grinding process plays a central role. Especially in flute grinding, high thermomechanical loads occur, which vary significantly due to wear on the grinding wheel surface. To better understand these processes, grain-resolved simulations are used that capture the material removal of individual abrasive grains. For this, realistic grinding wheel surfaces must be digitally reconstructed. In your work, you will further develop an existing model for diamond grinding wheels together with us, making use of results from experimental grinding tests.
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During tool grinding (e.g. of milling and drilling tools), the design of the grinding process plays a central role. Especially during flute grinding, high thermomechanical loads occur due to high material removal rates. To better understand the influence of different coolant strategies and process parameters, grinding experiments are carried out. In your work, you will investigate the effect of coolant strategies and evaluate the experimental data with regard to temperatures inside the workpiece as well as the resulting grinding forces. The data will then be used for the parameterisation and validation of grinding process models and simulations.
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In the FluSimPro priority programme, we develop methods for the energy-efficient design of cooling lubricant strategies. The focus is on recording thermomechanical tool loads. To this end, we use the latest methods for measuring temperatures and voltages at the cutting edge. Your work will include research, experiment preparation, carrying out machining processes and analysing the measurement results.
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How does the environment influence the machining process? You will investigate this question in your thesis. When machining titanium, unfavourable chip formation occurs at high temperatures. One reason for this is the presence of oxygen in the air. Using an oxygen-free machining atmosphere reduces thermo-mechanical stress and tool wear, while also improving chip formation. However, the interactions involved have not yet been investigated.
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Apply to us anyway. We realise a large number of projects and are constantly working on new production technology topics. We will find the right job for you through personal dialogue.
