Auto-Clip System Use of third gear pressure on the lens without damage | Automatic emendation procedure Automatic emendation of the lens size, initial zero Proofreading during the start of grinding, obvious improvement of precision | Wheel Configuration Standard configuration of four wheelsResin coarse grinding wheel/ Glass coarse grinding wheel, V-flat edge / sharp edges fine grinding wheel, flat resin edge / sharp edges polished wheels. | Follow-up pressure It can increase the pressure automatically through the control of procedure during the start of the grinding which can ensure that no harm to the lens. |