Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
2
Objective To investigate the clinical applicable value of helical ct surface shaded displays (SSD) and volume reconstructions (VR) in patient with tibial plateau fracture.
目的探讨螺旋CT三维表面遮盖法重建(SSD)及容积重建(VR)在胫骨平台骨折诊断中的应用价值。
3
The helicalsurface equations of the spherical hob are set up in spherical coordinates. The formulas of the side clearance angle and numerical examples are given.