... 4. Measuring Syste: TESA Models:SP-CMM 544CNC, SP-CMM 654CNC, SP-CMM 866CNC, SP-CMM 1066CNC, SP-CMM 1086CNC, SP-CMM 1286CNCCoordinate Measuring Machines* Surface ... speeds; 2. High-precision self-cleaning air bearing is used for the permanently wear-resistant guideways of all the three ... of the optical scale;4. Integral dovetail guideways is used in Axis Y, reducing the weight of the machine ...