supported by National Natural Science Foundation of China (Grant No. 50935006);Major Project of High-end CNC Machine Tool and Basic Manufacturing Equipment of China (Grant No.2011ZX04016-031);National Hi-tech Research and Development Program of China (863 Program, Grant No. 2012AA040701)
Conventional analytical and numerical methods for the mechanical properties of helical threads are relied on many assumptions and approximations and thus hardly yield satisfied results. A parameterized 3D finite eleme...