| This article introduced the mechanism structure and work principle of a special structure clutch, which is magnetic-electromagnetic clutch. Also, it explained the basic theory needed by this research. Based on that, by using the finite element analysis software, it analyzed 2D magnetism of magnetic—electromagnetic clutch, and influence of structure parameters to the magnetic field of magnetic—electromagnetic clutch were investigated together with the analysis conclusion.After the establishment of the calculation model of magnetic—electromagnetic clutch, it educed a series of new calculation method for working characteristics of magnetic—electromagnetic clutch. The computational method which obtains the inferential reasoning carries on the comprehensive computation to coupling's performance, and carries on the comparative analysis with some traditional magnetic clutch.This article has established quite a complete theory system of magnetic—electromagnetic clutch. It shows the guidance for designing and manufacturing the magnetic—electromagnetic clutch to some extent.
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