addendum circle

基本解释

From the very beginning I rose several positions, bent in 2 from the addendum circle has surpassed Vetter.
一开始我就上升了好几个位置，在2号弯从外圈超过了维特尔。
http://chazidian.com
The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.
测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。
Abstract: this paper designs a measuring instrument which can measure addendum circle and dedendum circle diameter of odd_tooth gears and can define all main parameters of gears.
文摘：设计了一种测量工具，用以测量奇数齿齿轮的齿顶圆和齿根圆直径，以便确定齿轮的主要参数。