| 摘要 |
A rotary disc for use in a rotary encoder includes a signal generation section having a pattern formed thereon to generate a signal indicative of a rotational angle/phase. The signal generation section has a peripheral surface, which is provided with a linear portion usable as an indicator indicative of the rotational angle/phase represented by the signal generation pattern on the signal generation section. A robot hand is employed to hold the linear portion and attach it through an attachment portion of the rotary disc to a rotor shaft of a motor.
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