Keywords Planar double-enveloping toroid worm gear drive,CAGD,Virtual Manufacturing,Steering Computation,Scattered Data,Surface Reconstruct,Computer Simulation,CNC;

• 平面二次包络环面蜗杆副;CAGD;虚拟加工;驾驭式计算;离散化处理;曲面重构;计算机仿真;数控加工;