基圆半径通常是指凸轮的理论廓线的最小半径。基圆半径也是凸轮设计的一个重要参数，它对凸轮机构的结构尺寸、体积、重量、受力状况和工作性能等都有重要影响。
... radial reciprocating follower对心移动从动件 radius of base circle基圆半径 radius of curvature曲率半径 ...
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... 萧特基晶圆 Schottky Wafer 基圆半径 radiusofbasecircle ; Base radius 基圆螺旋线 base helix ...
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... Base Radius to Form Radius 渐开线起始圆到基圆的距离 radius of base round 基圆半径 radius of base circle 基园半径 ...
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当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。
When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
在满足机构许用压力角条件下，采用0．618法最优确定盘状摆动凸轮机械的最小基圆半径。
Meeting requirement of the mechanical pressure angle, the minimum base radius of a plate cam for oscillating follower is determined by the 0.618 optimization method.
这里讨论了“叠加基圆法”中基圆半径的选取原则及其对不圆度评定的影响，并作出关系曲线。
Here the selection of base circle radius and its effect upon the assessment of departure from roundness is discussed, and the corresponding curve is given.
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