The hallmark of most high-performance CNC machining centers is consistent precision. In fact, 3-axis machining centers have become the mainstay of the vast majority of production shops and have even made substantial inroads into the short-run, job shop environment. However, like any other technology CNC machining has, and continues to, evolve in terms of sophistication and flexibility. Today, 3-axis machining is actually the minimum capability needed to compete in the global marketplace.