base circle

基本解釋

When the cam is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
當凸輪機構主要用于傳遞運動時，基圓半徑的選擇可使?jié)L子做連續(xù)滾動為優(yōu)先考慮條件。
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.
這里討論了“疊加基圓法”中基圓半徑的選取原則及其對不圓度評定的影響，并作出關系曲線。
A new simple method is provided to demonstrate the concentric grade (coaxial grade) deviation of graduation circle and top circle by means of the size relation of base circle to top circle.
本文介紹一種簡便的測量方法，借助于基圓相對齒頂圓間的尺寸變化，揭示并測量出分度圓與齒頂圓的同心度（同軸度）誤差。