pitch circle

When changing and processing spiral shell's bevel gear, it is necessary to use evolute internal spline tooth shape locating taper spindle for backing processing, so as to meet different spindle precision requirements of evolute internal spline reference circle, bearing fit circle and gear pitch circle.

螺伞齿轮更换加工过程中，需使用渐开线内花键齿形定位锥度芯轴支承加工，才能达到渐开线内花键分度圆与轴承配合圆及齿轮节圆同轴精度要求。

Pitch Point is the intersection of the spline tooth profile with the pitch circle.

节点是键齿的齿廓与节圆的交点.

Gears on nonparallel, non-intersecting shafts also have pitch circles, but the rolling-pitch-circle concept is not valid.

非平行的齿轮，非交叉传动的轴也有节圆，但是不存在纯滚动节圆概念。

Approach to increase power density of pitch circle and electrode current density for a electric smelting furnace

提高矿热炉极心圆功率密度和电极电流密度的探讨

Pitch Point is the intersection of the spline tooth profile with the pitch circle.

节点是键齿的齿廓与节圆的交点.

Intelligent Measurment of Diameter Runout of Pitch Circle in Gear

齿轮齿圈径向跳动的智能化测量