1) velocity instant center
速度瞬时中心
1.
The calculating formula of the velocity instant center coordinate in X&Y direction at random time of the working table and the coordinate measuring error of the random position on the working table which is caused by the linearity error was deduced.
为了高精度分离与修正纳米测量机工作台直线度运动和角运动误差引起的阿贝误差,介绍了一种利用速度瞬时中心进行分离的方法,推导了工作台在任意时刻的速度瞬时中心坐标计算公式,根据该公式计算出由于直线度引起的工作台上任意测量点的坐标测量误差。
2) instantaneous center of accelerations
瞬时加速中心
3) Instantaneous velocity center
速度瞬心
1.
According to the concept of instantaneous velocity center,the simple expression for the pressure angle of cylindrical cam mechanisms with oscillating roller follower can be derived,and the CAD graphical method to optimize the minimum average cylinder radius is put forward, and processing for designing cylindrical cam mechanisms based on AutoCAD is introduced.
根据速度瞬心的概念,推导出滚子摆动从动件圆柱凸轮机构压力角的简单关系式,提出了一种求解最小凸轮平均圆柱半径的CAD动态图解法,介绍了在AutoCAD平台上自动设计的过程。
2.
According to the concept of instantaneous velocity center,the simple expression for determining position of velocity center is derived,and the CAD graphical method for designing theory profile curve of parallel index cam is carried out.
利用速度瞬心概念推导出了速度瞬心位置的简单关系式,提出了设计平行分度凸轮机构的CAD动态图解法,运用等距线原理进一步生成了凸轮的实际廓线、刀具中心的加工轨迹,并给出了在AutoCAD平台上实现的过程。
3.
By using definition of instantaneous velocity center, this paper put forward a CAD animation method and combined designing cam profile curve and calculating cutter center track of the cam mechanism with straight moving follower.
利用速度瞬心定义,提出了CAD动画计算的方法,将直动从动件凸轮机构凸轮廓线的计算和刀具中心轨迹的生成融为一体,论述了凸轮廓线和刀具中心轨迹计算的图解法原理和实现的过程,从而为凸轮的设计和制造提供了一种简捷实用的新方法。
4) instant center velocity
瞬心速度
1.
A new method for finding the moving velocity of an instant center position (for short “instant center velocity”) of planar linkages is studied.
提出了平面连杆机构速度瞬心转移速度(简称“瞬心速度”)求解的新方法。
5) instant center
速度瞬心
1.
This paper studies the method of finding the instant center.
研究不作速度分析 ,仅用三心定理无法求解的速度瞬心问题。
6) instantaneous center of velocity
速度瞬心
1.
On the Theorem and application of Moment of Momentum for instantaneous center of velocity;
对速度瞬心的动量矩定理及其应用
2.
There from it is used to obtain the principles of the angular of momentum of the system of particles with respect to its cenier of mass and instantaneous center of velocity.
采用简捷的方法推导质点系相对于任意动点的动量矩定理，并由此引出质点系相对于质心的动量矩定理和质点系相对于速度瞬心的动量矩定理。
3.
he article expounds a new method to solve the instantaneous center of velocity between two disconnected members in the mechanism.
本文阐述了求机构中不相邻两构件间速度瞬心的一种新方法，即“对心四边形法”。
补充资料：瞬时速度
旧称“即时速度”。当时间取得极短(趋近于零)时，位移和时间之比的极限值。是矢量。能确切描述变速运动质点在各时刻或各位置时运动的方向和位置变化的快慢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条