A magnetic field heat treatment method suitable for ring devices
A heat treatment method and device technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of difficult magnetic field heat treatment, uneven temperature field distribution, and poor magnetic field controllability of annular devices, so as to shorten the heat treatment time and accurately control the heating. Power, the effect of reducing energy consumption
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. However, the present invention is not limited to the following examples.
[0037] The present invention proposes a magnetic field heat treatment method for annular magnetic material devices, and the specific steps are as follows:
[0038] (1) Calculate the current I flowing through the linear heating element 8 according to the size of the required magnetic field strength H by the following (a),
[0039] I=2πR w H (a)
[0040] where R w is the outer radius of the ring device. It should be noted that the current I should not be less than 2πR w H, otherwise the magnetic field strength H at the outer radius of the ring device will be too small, which cannot meet the corresponding process requirements. However, at this time, the inner radius R of the ring device n The magnetic field strength will be significantly higher than the outer radius R ...
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