Appt
Contact
Social
Appt
Contact
Social
Skip to main content
hs-tumbler_en
    Languages

    Trajectory Mixing: 
    Process, Mechanisms
    and ​Quality Aspects

    Quadratische Bildanordnung (Englische Versino
    FoodAdvanced MaterialsEnergy solutionsPharma and cosmetics

    Trajectory mixing is an innovative, patented technology that replaces traditional stirring and kneading tools with dynamic motion processes. Discover the trajectory mixing process, its physical principles, the mechanisms for optimizing mixing quality, and the specific application areas.

    Process of Trajectory Mixing

    In trajectory mixing, the material is blended by the high-frequency movement of the mixing vessel in two orthogonal directions. This creates motion along two-dimensional curve paths, generating complex movement patterns. These patterns produce rapid changes in direction and high G-forces, resulting in an intense yet gentle blending of the materials. Dynamically adjusting motion parameters—such as the path shape and acceleration—ensures the components are mixed precisely as required.

    Lissajous Figures

    Lissajous figures generate flow patterns within the material that promote uniform distribution of all components. The specific shape of a Lissajous figure depends on the frequencies and phase relationships of the oscillations. By adjusting these parameters, different mixing requirements can be met.

    Physical Principles

    The efficiency of trajectory mixing relies on the physics of oscillation and the adhesive forces generated within the material. Superimposing multiple vibrations creates complex, three-dimensional movements that exert both shear and tensile forces on the product. Virtually any mixing mechanism—from a whisk to a dough hook—can be simulated by tuning these vibration profiles.

    Shear and Tensile Forces

    The generated shear forces contribute to breaking down the mixed components, while the tensile forces help distribute those components evenly. Continuously changing the oscillation parameters ensures that every part of the batch is exposed to these forces uniformly, resulting in high mixing quality.

    Dynamic Adjustment

    Dynamic adjustment of the motion profiles allows precise tuning of mixing conditions to match the properties of the material and the desired product characteristics. This capability is especially important when processing sensitive materials that could be damaged by excessive shear forces.

    Optimization of Process Parameters

    The efficiency and quality of trajectory mixing depend heavily on optimizing key process parameters. The most important factors include speed, acceleration, vibration frequency and amplitude, and the starting points of the motion paths.

    Speed and Acceleration

    Higher speeds and accelerations increase the shear forces generated and accelerate the mixing process. However, these parameters must be carefully balanced to prevent overprocessing or damage to the material.

    Starting Points of the Motion Axes

    Choosing optimal starting points for each axis can enhance the distribution of shear forces throughout the material. This ensures a uniform mix and reduces the risk of separation or segregation.

    Application Possibilities                

    Trajectory mixing is used in a wide range of applications, including:

    Liquid–Liquid Mixing

    rajectory mixing delivers stable, uniform blends of liquids. The process significantly improves the consistency and stability of the final product.

    Solid–Liquid Mixing

    When producing suspensions and pastes—such as battery slurries or cooked hams—trajectory mixing provides efficient dispersion and homogenization of solid particles in a liquid medium.

    Solid–Solid Mixing

    For dry blends like ceramics or animal feed, trajectory mixing achieves a uniform distribution of all components, resulting in consistently high product quality.

    Quality Assurance in the Mixing Process

    A primary objective is achieving a high degree of mix uniformity, defined by the even distribution of all components. This is quantified through sample analyses, where minimal variance in concentration serves as an indicator of excellent mixing quality.

    Measuring and Optimizing Mix Uniformity

    Mix uniformity is assessed via sample analyses—low variance in component distribution indicates high quality. Optimization requires adjusting process parameters, supported by experimental studies and simulations. Continuous monitoring and fine-tuning of motion profiles ensure that quality requirements are consistently met.

    In Summary

    Trajectory mixing is an advanced, versatile technology in mixing engineering. With precise motion control and complex movement patterns, it offers an efficient and gentle method for blending materials. Its flexibility, efficiency, and low maintenance make it a cost-effective solution with significant potential for the future of mixing technology.