nc series is the latest generation of moving bridge style high accuracy high speed coordinate measuring machine from leader.nc serials combines single-point probing and analog scanning in a single high performance measuring machine also can equipped with contact and non-contact probe system. based on the new generation of controller combines and optimizes temperature and accuracy compensation systems and advanced algorithms to support high-speed, high-accuracy analog open and closed loop scanning. granite fixed worktable, all three axes are made of high performance granite, good temperature characteristic, have the same coefficient of thermal expansion. - granite worktable with integral “dovetail” guide in x axis, eliminate the pitch and yaw ,also provides superior motion stability. - z axis air-balance with self-protection ,improve motion capability. - advanced synchronous belt drive system with non-slip and high stiffness, ensures high stabilit, lower noise. - high precise, rigid, and pre-loaded air bearings on all axes, can ensure the guidance never be damped - transmission system uses high-power dc servo motor and new double level tape reducer to ensure rapid and accurate axes movement.. - renishaw steel scale - famous parts from all over the world are used in every important sub systems nc 654performance specifications measuring strokes : 600(mm) x 500(mm) x 400(mm) overall dimension : 1630(mm) x 1280(mm) x 2380 (mm) max part weight : 500 kg resolution : 0.1 (mm) accuracy according gb/t16857.2-1997 equal iso 10 360： (volumetric length measuring error) e =2.5 +3.5l/1000 [mm](volumetric probing error) r = 2.4 mm environment specifications room required specifications average room temperature: 18 - 22 °c maximum thermal gradients:1 °c/h，2 °c/day，1 °c/m， air supply system (min. air pressure) : 0.7 mpa electrical requirements - (voltage) : 220 vac ± 10% (frequency) : 50 hz (current) : 10 a allowed maximum floor vibration (frequency range): 0 ~ 19 hz 19~75 hz > 75 hz