A Study on the Manufacturing System of the Axes Linked Ultra-precision Grinding of Aspheric Surface

The manufacturing system developed in this paper is mainly used for the ultra-precision grinding of the hard-cutting materials, such as high strength steel and carbonized tungsten, which are characteristics with axisymmetric aspheric surface. Under the priority of accuracy and grinding rigidity to design the key components of multi-axis linked parallel grinding system of aspheric surface, such as high speed grinding spindle, B axis grinding rotary table, clamps and center high adjusting system. Maximum speed of the grinding spindle is 90,000rpm, spindle rotating accuracy is 0.1 mu m, rotation-angle-accuracy of B axis is +/- 3 '', center height adjusting accuracy is 0.1 mu m, using the system can realize parallel grinding of aspheric surface[1].