Centerless Grinding Machines New Dimensions. AGATHON is well known to be a world class manufacturer of highly precise grinding machines for many applications in fields such as: automobile-component suppliers, hydraulics, precision tools, medical applications, and electrical/electronic-technology. Our new generation of CNC machines enables us to master the compromise between accuracy of form, high productivity and flexibility in centerless grinding of workpiece-diameters between 0.1 and 20mm. This modular machine concept, equipped with state of the art control unit, is a digital power package that also provides an amazing cost-to-performance ratio.