1) trochoid
[英]['trəukɔid] [美]['trokɔɪd]
次摆线
1.
The paper analyzed the motion principle of an end-face lapping machine for an optical fibre conneetor,and deduced the expressions for the workpiece′s motion path in relation to its lapping plate and the motion path vise versa,both of which,as shown by Eqs(5) and(6) in the full paper,are trochoid.
推导出工件相对于研磨盘的运动轨迹S1和研磨盘相对于工件的运动轨迹S2的表达式,得出S1、S2均为次摆线,分析了轨迹随相关参数的变化规律。
2.
The wave model was generated by using real frequency spectrum of ocean wave to control the 3-D trochoids.
文中提出一种可以实时描述深水动态海浪的简单方法,通过真实的海浪频谱控制三维次摆线,产生海浪模型之后叠加三维湍流函数来描述细节。
3.
The experimental results showed that high quality of cavity surface can be obtained by using appropriate technologic parameter and trochoidal milling mode with micro-end mill cutter.
试验结果表明:采用小直径刀具,合适的工艺参数,次摆线分层走刀方式能加工出高质量的型腔表面。
2) trochoid pump
次摆线泵
3) hypotrochoid
[,haipə'trəukɔid]
次内摆线
4) Trochoidal milling
次摆线铣削
5) hypotrochoid
[,haipə'trəukɔid]
圆内次摆线
6) the secondary epicycloid of external points
外点外次摆线
1.
According to the principle of forming the secondary epicycloid of external points,this paper establishes a set of equations for the cross-section of self-cleaning double screw.
为提高双螺杆挤出机在混合、挤压聚合物过程中的生产效率,作者根据外点外次摆线的形成原理,建立自清式双螺杆横截面及外摆线螺旋面的方程式,对数学模型进行数据处理,得出刀具纵向截形,在计算机上准确地绘制出双螺杆及刀具的投影图。
补充资料:次摆线
又称“长(短)幅旋轮线”。一个动圆沿着一条定直线作无滑动的滚动时,动圆外或动圆内一定点的轨迹。如图建立直角坐标系,设动圆的半径为a,圆心至圆外(内)定点m的距离为b,则次摆线的参数方程为x=aφ-bsinφ,y=a-bcosφ。b>a时为长幅旋轮线,b<a时为短幅旋轮线,b=a时即为摆线。
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参考词条