Analysis of thermal error model of ball screw feed system based on experimental data

In order to investigate the effect of thermal expansion on ball screw feed system (BSFS) a precision machine tool, theoretical modeling and experimental study thermally induced error are focused in this paper. A series experiments conducted tool measure temperature main heat source measuring points BSFS. This is classify sources discuss impact separately. By data system, model shaft axial direction analyzed verified. Based generation transfer analysis modeled mathematically. addition, by analyzing effects machining parameters such as rotational speed, preloads, lead, we get parameter influence BSFS’s rising deformation. work can help us reduce deformation effectively improve CNC machining.