In component mounting for executing a component feed operation and component holding and pickup operation, a recipe for the component holding and pickup operation that is an operational program for executing the component holding and pickup operation is received in a head unit, and the component holding and pickup operation is executed on the basis of the recipe. In addition, a timing signal based on this execution is transmitted from the head unit to a component feed unit, a recipe for the component feed operation for executing the component feed operation is received in the component feed unit, and the component feed operation is completed on the basis of this recipe and the timing signal transmitted from the head unit.