In developing the VR resolver, MinebeaMitsumi focused on the connection between the copper wire and terminal. The resolver that is directly connected to the motor requires not only high precision but also superior durability. Welding technology for realizing high durability This allowed copper wire winding to be tight, highly accurate and stable. Furthermore, we designed in-house unique nozzles that are based on the diameter of the copper wire, and such nozzles are used for passing the copper wire. ![]() We applied our expertise in winding technology obtained through the motor production to the resolver, and this has made it possible to have faster copper wire winding than ever before. MinebeaMitsumi's know-how in the motor production is utilized here. In addition, to improve resolver performances and realize its mass production, the copper wire it contains must be wound fast and evenly. New VR resolvers of MinebeaMitsumi are precisely adjusted at the design stage to achieve higher accuracy. A stable characteristic is maintained by making the winding even. The angle is detected by means of an electric signal generated due to the change in reactance of the rotating rotor and fixed stator. ![]() ![]() One of the parts that greatly influence the accuracy of a resolver is the winding provided in a stator. Winding technology that influences position detection accuracy
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