At the center of engineering today, precision gears are essential to a multitude of applications: automotive systems, aerospace components, heavy machinery, robotics, and unlimited industrial applications. As industries’ demand increased accuracy, durability, and performance, the demand for error-free gear production has received renewed attention. It is the Gear Dimension measurement machine that plays a disruptive role as a key instrument/tool for next-generation quality assurance. With rapid technology development, we are seeing gear inspection heading into a future of automation, digitalization, and ultra-precision measurement capability.