SYSTEM AND CONTROL DEVICE

This system includes a robot and a machine tool or another robot for cooperating with each other, and the system is provided with a reference clock that updates time periodically. The robot and the machine tool or another robot is equipped with: an internal clock; a storage unit which, by previously executing a created operation program on the basis of the internal clock, stores therein data regarding positions and times involved in said operation program between a synchronization start command and a synchronization end command; and an operation unit which causes, during synchronous operation in the operation program, the robot and the machine tool or another robot, to operate in synchronization with the reference clock on the basis of the reference clock and data of the positions and times of the operation program that have been stored by the storage unit.