国家自然科学基金51425503,51375272,U1201245;高档数控机床与基础制造装备科技重大专项2015ZX04005008;泰山学者专项TS20130922National Natural Science Foundation of China51425503,51375272,U1201245;Major Science and Technology Program of High-end CNC Machine Tools and Basic Manufacturing Equipment2015ZX04005008;Taishan Scholar SpecialTS20130922