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
According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
3
When the tubing string is milled, the helical weld form provides enhanced characteristics of the tube at the weld site.