A component mounting machine comprising: a head unit that has a head main body configured to hold multiple pickup members, each capable of picking up a component, at a predetermined interval along a predetermined circumference and that is capable of rotating in forward and reverse directions, the head unit being configured to revolve the multiple pickup members by rotating the head main body; a moving device configured to move the head unit; a lifting and lowering device (70A, 70B) that is provided in the head unit independently of the head main body, and the lifting and lowering device (70A, 70B) being configured to lift and lower a pickup member which is positioned at a predetermined position of the head unit among the multiple pickup members; multiple component supply devices, each capable of supplying the component to the pickup member that is positioned at the predetermined position; and a control device configured to control the head main body, the moving device, the lifting and lowering device (70A, 70B), and the component supply device in such a way that the pickup members, each being positioned at the predetermined position, pick up the respective components supplied by the component supply device, the components each being mounted on a board after completion of the pickup, while performing an operation of rotating the head main body and an operation of moving the head unit together, wherein the control device is configured to be capable of performing one or both of an operation of reversing a rotational direction of the head main body and an operation of rotating the head main body n times the interval, where n is an integer of two or greater, at least either at the time of component pickup or at the time of component mounting wherein the lifting and lowering device (70A, 70B) has a pickup member engaging section configured to engage with the pickup member positioned at the predetermined position to lift and lower the pickup member, and wherein the pickup member engaging section is configured to, when interfering with a member mounted on the head main body rotating in a forward direction, rotate and retract in a pushing direction of the member, and is configured to, when interfering with a member mounted on the head main body rotating in a reverse direction, rotate and retract in a pushing direction of the member. a head unit that has a head main body configured to hold multiple pickup members, each capable of picking up a component, at a predetermined interval along a predetermined circumference and that is capable of rotating in forward and reverse directions, the head unit being configured to revolve the multiple pickup members by rotating the head main body; a moving device configured to move the head unit; a lifting and lowering device (70A, 70B) that is provided in the head unit independently of the head main body, and the lifting and lowering device (70A, 70B) being configured to lift and lower a pickup member which is positioned at a predetermined position of the head unit among the multiple pickup members; multiple component supply devices, each capable of supplying the component to the pickup member that is positioned at the predetermined position; and a control device configured to control the head main body, the moving device, the lifting and lowering device (70A, 70B), and the component supply device in such a way that the pickup members, each being positioned at the predetermined position, pick up the respective components supplied by the component supply device, the components each being mounted on a board after completion of the pickup, while performing an operation of rotating the head main body and an operation of moving the head unit together, wherein the control device is configured to be capable of performing one or both of an operation of reversing a rotational direction of the head main body and an operation of rotating the head main body n times the interval, where n is an integer of two or greater, at least either at the time of component pickup or at the time of component mounting wherein the lifting and lowering device (70A, 70B) has a pickup member engaging section configured to engage with the pickup member positioned at the predetermined position to lift and lower the pickup member, and wherein the pickup member engaging section is configured to, when interfering with a member mounted on the head main body rotating in a forward direction, rotate and retract in a pushing direction of the member, and is configured to, when interfering with a member mounted on the head main body rotating in a reverse direction, rotate and retract in a pushing direction of the member.