Method, system and device for detecting cylindricity of inner hole in stator core and storage medium
A stator core and detection method technology, applied to measuring devices, instruments, using ultrasonic/sonic/infrasonic waves, etc., can solve problems such as motor vibration, noise torque, fluctuations, etc., to avoid damage, improve measurement accuracy, and improve Effects on Performance and Productivity
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[0027] In the embodiment of the present invention, in order to provide a method for measuring the cylindricity of the inner hole of the stator core with higher accuracy, it is considered that the characteristics of the radial vibration signal of the motor are analyzed based on the radial vibration signal of the motor in the running state. The radial vibration signal characteristics of the stator core with good inner hole cylindricity are the radial vibration signal characteristics of the stator core with static eccentricity. In order to generate a radial vibration signal, a permanent magnet needs to be assembled on the rotor, so this measurement method can be applied to permanent magnet motors. However, for non-permanent magnet motors, as long as a permanent magnet can be mounted on the rotor, the detection method can also be used to detect the cylindricity of the inner hole of the stator core. In addition, in order to avoid possible damage to the whole machine when the measure...
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