The magnetic drive system of the magnetic driver pump is usually composed of inner magnetic rotor、and containment shell. The inner magnetic rotor connect with the being transmissioned parts, and the outer magnetic rotor connect with the transmission parts. Magnetic transmission has the function of Elastic coupling vibration absorption, and to the point, it can completely seal the inner magnetic rotor and the being transmissioned parts. Without the mechanical contact,it also can pass the kinematic and dynamic of the transmission parts to the being transmissioned parts by magnetic action, so that the dynamic seal becomes to static seal.
Therefore, magnetic drive is wildly used in the environment of which has some special demands of seal, such as petroleum, chemical, pharmacy, food and aviation field.During the design and calculating of magnetic drivers, the process "preliminary design—modeling—analysis—revision—re-design—re-modeling—re-analysis"will be carried out repeatedly, and the process are operated complex the requirement to Users is too much, and the user be apt to make mistake during the processing. To solve the problems mentioned above, the study has developed a magnetic driver simulation system. This system contains three parts: parametric design, Parametric modeling and parametric finite element.The study of 3D parametric design system is based on characteristics of the structure of the cylinder typed radial magnetic drive, design flow and design method.
This system Use Solid Works as the supporting platform and take VB language to do the secondary development of the API function of Solid Works. It can realize the auto-modeling and assembling of every parts of the magnetic drive.Based on ANSYS, the study use vector potential method and scalar potential method to build 2D, 3D models of the magnetic field of cylinder typed radial magnetic drive, then do the solution computation and analysis the distribution of magnetic line, the distribution of magnetic induction, the size of the moment of magnetic force and the size of eddy current. A template for magnetic drivers structure calculating and analysis based on ANSYS is built.
The system possesses the following features:
1. A method of parametric finite element analysis for magnetic drivers is presented in this system, the FEA model is droved by the parameters.
2. through proceeding communication mechanism of Windows, the centre of control based on passages is formed. it can be use the ANSYS as a subprogram.The developed magnetic driver simulation system, under the different design parameter, is advantageous for the magnetic driver to rebuild the model fast, and carry on the finite element simulation analysis . The above conclusion and the method have enriched the magnetic driver research contend, and explored a lower consumption higher quality design and analysis method.
Article source from:http://www.latest-science-articles.com/Technology_Science/ and http://information-technology-articles.com/
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