| 摘要 |
The invention seeks to provide a rotor for use in rotary encoder, which is increased in magnetic intensity and mechanical strength thereby achieving exact detection of rotation speed. A corner portion formed between a cylindrical portion 21 and a mounting flange 22 of a core 20 constitutes a protrusion 23 unitized with the cylindrical portion and the mounting flange, protruded from axial one end of the cylindrical portion 21 and opened toward the axial other end thereof. A part of a pulser ring 31 is disposed in the protrusion 23.
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