Based on the heat transfer characteristics of electromagnetic harmonic movable tooth transmission motor, thispaper adopted the finite element method to establish a three-dimensional temperature field model for numerical calculationon the basis of four basic assumptions. It analyzed the heat loss and gave out the functional to calculate the temperaturefield within each medium and obtain the temperature distributing curves. Then taking the prototype as an example, itcalculated the steady-state temperature field of the system under different loading. The comparison between the resultsand measured values has verified the reasonableness of the established model and calculation method employed. The resultscould provide a theoretical basis for the optimized design of electromagnetic harmonic tooth transmission system.
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