分度圆直径
- 网络pitch diameter;reference diameter;circle diameter
分度圆直径-
选取适当的车头行星轮的分度圆直径，可以有效地控制车方原理的直线度误差。
The principle straightness error of cutting square in work-pieces can be controlled by choosing a suitable pitch diameter of the planetary gear in the machine tools .
-
如使用1280×1024像素以上的CCD摄像设备测量分度圆直径5mm以下的直齿圆柱齿轮时，测量精度可在2μm以下。
When spur gears whose diameters of indexing circle are less than 5 mm are measured by CCD camera with the resolution of over 1280 × 1024 , the precision of measurement is below than 2 μ m.