Component mounting machine, component suctioning method, nozzle disposing method and method for disposing component supplying device

A component mounting machine comprising:

• multiple component supplying devices each configured to feed out a component to a component supply position;
• a head comprising multiple nozzles each configured to suction a component, the nozzles disposed on a circumference of the head which is intermittently rotated;
• a head moving robot configured to move the head to cause the nozzles to face the respective component supply positions;
• a camera on the head moving robot movable with the head;
• nozzle lifting and lowering devices each including a motor configured to lift and lower the nozzles facing the respective component supply positions;
• and
• processing circuitry configured to:
• control the head moving robot and the nozzle lifting and lowering devices,
• position the multiple nozzles so as to face the respective component supply positions with two or more thereof,
• image a reference mark of each of the multiple component supplying devices with the camera,
• determine a coordinate position of a center of the component of each of the component supplying devices based on a coordinate position of the reference mark of each of the multiple component supplying devices,
• prioritize a positional correction of a nozzle of the multiple nozzles facing a smallest sized component of the components supplied to the respective component supply positions based on the coordinate position of the center of the smallest sized component,
• correct the position of the multiple nozzles by at least rotating the head based on the positional correction of the nozzle facing the smallest sized component, and
• cause the nozzle lifting and lowering devices facing the respective component supply positions to suction the respective components simultaneously.