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medmix appoints new CEO

Ad hoc announcement pursuant to Art. 53 LR medmix appoints René Willi as new Chief Executive Officer medmix announces the appointment of René Willi as its new CEO, effective June 1, 2024. Current CEO Girts Cimermans will be stepping down as of today.

Structural mechanics Simulation

The finite element analysis (FEA) is an established procedure for the calculation of structural, thermal, acoustic and coupled problems. With this method, it is possible to examine the load situation of a product virtually before a first prototype has been produced. In this way, a design version can be analyzed realistically and, if necessary, optimized by constructive adjustments.

Injection Molding Simulation

With the help of the injection molding simulation, the process of the injection molded component is analyzed before a real tool has even been manufactured. Thus, problems that would arise during the process can be identified. Appropriate measures can be taken, for example, to avoid air traps, detect weld lines and move them to non-critical areas, as well as analyze the fiber orientation.

Fluid Flow Simulations

Flow simulations or CFD (Computational fluid dynamics) is an established procedure to analyze and solve problems that involve fluid flows with the help of computers. With this method, it is possible to examine the internal or external flow field of a product virtually before a first prototype has been produced. In this way, a design version can be analyzed realistically and, if necessary, optimized by constructive adjustments. In the best case, only a few necessary tests are carried out later.

Digital tools in product development

To ensure high functionality and quality and to speed up the market launch of new products, different digital tools are used in the development process within medmix Switzerland AG. An overview of these calculation methods is given using the ecopaCC system.

Parameters to quantify mixing efficiency of static mixers

Depending on the material to mix and the pre-defined application, different mixer characteristics are of particular importance. This chapter focuses on characteristics which describe the properties of the mixer itself (mixer specific characteristics) rather than the application system as a whole (system specific characteristics).

Numerical Flow Simulation of mixers

Flow simulations or CFD (Computational fluid dynamics) is an established procedure to analyze and solve problems that involve fluid flows with the help of computers. With this method it is possible to examine the internal or external flow field of a product virtually before a first prototype has been produced.

Introduction into mixing texhnology

As already mentioned above, two-component adhesives are being used more and more because of their special properties and static mixers are the most frequent choice of device for mixing the two-component material before application.

Comparison of static and dynamic mixing systems

For mixing 2K materials, the use of static mixers is generally the preferred choice, as they are simple in design, easy to use and relatively inexpensive. In some cases, however, static mixers do not provide the required mixing performance. Dynamic mixers offer an alternative solution for applications where either very high mixing quality or a solution for rheological demanding materials is required.

Influence of rheology on mixing behavior in static mixers

When selecting the optimum static mixer, the rheological properties of the starting components and their mixing ratio play an important role. In particular, highly viscous materials with a high proportion of fillers often have a pronounced non-Newtonian behavior. Therefore, a good understanding of the rheological behavior of the components to be mixed is important.

Sustainable product development at medmix

The increasing need for higher sustainability of our time is also reflected in the acceptance in solutions of 2-component discharge systems. These developments can make a relevant contribution to higher environmental compatibility of corresponding adhesives and sealants. Ecological and social challenges, as well as the use of environmentally friendly materials and improvements to energy efficiency, are key factors that must be considered when developing new solutions.

CIOSP 2024

medmix Brazil featuring MIXPAC at the 41st CIOSP