用其端面进行表面磨削的圆柱、直杯及外展杯状砂轮。
Cylinders, straight cups, and flaring cups are used for surface grinding with the end face of the wheel.
建立平行、不可展直纹面数学模型，确定超声磨削加工平行、不可展直纹面时磨轮空间轨迹及其算法。
The mathematical model of parallel and undevelopable ruled surface was constructed, the algorithm for NC ultrasonic grinding surface was founded.
提出用球形蜗杆砂轮连续分度展成磨削内齿轮的概念，阐述了其磨齿原理。
A method for grinding internal gear using spherical worm emery-wheel is presented.
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