a. machinef ncf series is the latest generation of fixed bridge style high accuracy high speed coordinate measuring machine from leader ncf 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. design characteristic - 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 gdual-dovetailh 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 ncf 1087 performance specifications measuring strokes :1000(mm) x 800(mm) x 700(mm) overall dimension : 2550(mm) x 1700(mm) x 3200 (mm) max part weight : 700 kg resolution : 0.1 (mm) accuracy according gb/t16857.2-1997 equal iso 10 360f volumetric length measuring error e =1.6 +l/300 [mm] volumetric probing error r =2.0mm environment specifications room required specifications - average room temperature: 19 - 21 ‹c - maximum thermal gradients:0.5 ‹c/hourc1 ‹c/dayc0.5 ‹c/mc - air supply system - min. air pressure : 0.7 mpa - min. air consumption : 0.1 m3/min 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 -maximum amplitude: 0.0011 mm 0.0011~0.002 mm 0.002 mm