Yang Heqing 1,Han Jun 1,Wang Manxin 1,Ou Yi 1,Guan Qiang 2,Feng Hutian 1(1.School of Mechanical Engineering,Nanjing University of Science and Technology,Jiangsu Nanjing,210094,China)(2.Jiangsu Suzhou Neway CNC Equipment Co.,Ltd.,Jiangsu Suzhou,215000,China)