A rotary head is configured of at least two types of rotary heads, such as a first rotary head in which four suction nozzles are respectively held to be rotatable on the circumference, and a second rotary head in which the suction nozzles of which the number is more than four are respectively held to be rotatable on a pitch circle diameter which is the same as that of the suction nozzle of the first rotary head, the first rotary head is attached to the drive unit, and a control device which controls an angular position of the first rotary head and an angular position of the components suctioned to the suction nozzles, to be respectively controlled to be changed by 45 degrees when the components held by the suction nozzles are imaged by a component camera is provided.