• 1. Addendum circle diameter: 齿顶圆直径
• 2. addendum circle diameter of workpiece: 工件顶圆直径
• 3. Keywords addendum circle diameter: 测量方法

• 1.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。
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• 2.The measuring instrument can measure addendum circle and dedendum circle diameter of odd-tooth gears.
  这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。
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• 3.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。
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