CPC F16D 65/186 (2013.01) [F16D 55/224 (2013.01); F16D 65/123 (2013.01); F16D 65/847 (2013.01); B25J 19/0004 (2013.01); F16D 2121/24 (2013.01); F16D 2125/50 (2013.01)] | 18 Claims |
14. An actuator comprising:
a motor;
a brake;
a motor casing that accommodates a constituent member of the motor;
a brake casing that accommodates a constituent member of the brake;
a speed reducer that decelerates a rotating motion transmitted from the motor; and
a speed reducer casing that accommodates a constituent member of the speed reducer,
wherein the motor casing and the brake casing are connected to each other, the brake includes a stator having a coil and a coil case, and a friction plate, a minimum outer diameter of the coil case is 70 mm or less, and a value obtained by dividing a distance from a first end surface of the friction plate on a side farthest in an axial direction from the coil case to a second end surface of the coil case on a side opposite to the first end surface by the minimum outer diameter is 0.2 or less, and
the brake casing and the speed reducer casing are connected to each other.
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