推导了进入双点啮合区的法面啮合角公式，采取了独特的剃齿刀修形方式，从设计和修形上下功夫杜绝剃齿中凹的产生。
And the normal engagement angle of approaching double-point tooth area is deduced. The special dressing method of shaving cutter has been adopted.
双点啮合单驱动BF型多柔传动装置，通过在悬挂小车内设置两个小齿轮共同来驱动一个大齿轮，使其承载能力提高一倍。
The dual-point meshing in single-drive BF flexible-transmission device will promote its bearing capacity by two small pinions which are setting in a small slung trolley to driving big one altogether.
计算分析认为，双圆弧齿轮的啮合点分布情况是齿轮的轴向周节、同一轮齿上两啮合点在轴向的距离和齿轮的有效宽度的函数。
Analysis shows that the distribution of meshing points is a function of the axial circular pitch, the axial space of two meshing points on a tooth and the effective width of the gear.
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