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凸轮曲线     
相关语句
  cam curve
     Optimization of compounding zoom cam curve design with OZSAD
     用OZSAD软件实现复合式变焦凸轮曲线优化设计
短句来源
     Solving the Cam Curve of the Compensating Group about Zoom Lens Using Dynamic Optical Theory
     应用动态光学理论求解变焦光学系统补偿组凸轮曲线
短句来源
     An Application of Spline Function to Cam Curve Design
     样条函数在凸轮曲线设计中的应用
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     The design of cam curve is the key of automatic machine.
     凸轮曲线设计是自动机设计的关键。
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     AN OPTIMUM DESIGN OF CAM CURVE
     凸轮曲线优化设计
短句来源
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  cam curves
     Optimization Design of Cam Curves of Constant Flow Pump
     恒流量泵凸轮曲线优化设计
短句来源
     Design of cam curves while considering the speed fluctuation of input shaft
     考虑输入轴速度波动时的凸轮曲线设计
短句来源
     DESIGN OF HIGH-SPEED CAM CURVES WITH THE CONVOLUTION FILTRATION METHOD
     用卷积滤波法设计高速凸轮曲线
短句来源
     The design of the cam curves of the zoom system is critical to keep the precise,smooth and balance movement of the optical system.
     变焦距光学系统凸轮曲线设计是保证光学系统变焦精确、平滑和驱动力均衡的关键。
短句来源
     A model of two dwell symmetrical cam curve with parameters is designed. Using orthogonal calculation method, we get three groups of different parameters, for which the corresponding cam curves are better than the modified trapezoid curve, the modified sine curve and modified constant velocity curve separately.
     设计一含参数的双停留对称凸轮曲线模型,用正交法计算,得到三组不同参数,它们相应的凸轮曲线分别优于变形梯形曲线,变形正弦曲线和变形等速度曲线
短句来源
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  cam profile
     This task's main work and pursuit is as follows:1. Based on the analysis working principle of cylindrical cam, the part's geometrical parameters was detected and reverse measured, including dimensions, shape, degree of position, roughness, configuration' s parameters and tolerance, the data of cam profile curve and so on. The part' s CAD graphics was protracted.
     本课题的主要工作内容与成果如下:1、 在分析圆柱凸轮工作原理的基础上,对零件几何参数进行检测反求,包括零件尺寸、形状、位置精度、粗糙度、齿形结构参数及公差、凸轮曲线数据等,绘制CAD零件图。
短句来源
     This thesis inquires into and puts forward the calculating method of the Cam equation of the profiling structure in translational cam in the process that the inner curve is made by the outer cam profile. At the same time,it puts forward the calculating method of the cutting tool trade in the process of making the cam.
     从理论上探讨并提出了用外凸轮仿形加工内曲线时平动式凸轮仿形机构中凸轮曲线方程的计算方法 ,以及加工凸轮时的刀具轨迹计算方法。
短句来源
  curve of cam
     The main results are concluded as follows: the principle of the new-style Automatic machine which couples inner-power with outer-power and its interior ballistic trait are analyzed, the kinetic trait chart and the Utopian curve of cam are found, and the 3D entity modeling of the Automatic machine are completed;
     论文主要完成了以下工作:分析了内外耦合源的新型转管自动机原理及其内弹道特性,并分析得到了自动机的运动循环图和炮箱理想凸轮曲线,进行了自动机三维实体建模;
短句来源
     Aim To reduce the bolt acceleration of rotating multi barrel weapon when the bolt moves in the transition curve of cam. Methods A transition curve formed by two sinusoidal curves and one parabolic curve is adopted. Results The parameters of transition curve is determined.
     目的 通过对凸轮曲线过渡段的设计, 减小转管武器机心在曲线过渡段的加速度. 方法 采用由两条正弦曲线和一条二次抛物线组合构成过渡曲线的方法. 结果 确定了过渡曲线的各种参数. 结论 所得过渡曲线可以有效地减小机心在过渡段的加速度
短句来源

 

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      cam profile
    A method is presented to determine the location and magnitude of cam profile errors.
          
    A recursion formula for the cam profile errors is derived using a finite-difference scheme.
          
    The mathematical cam profile must be interpolated at some increment to create the numerical data for CNC machining.
          
    Using piecewise polynomials, the complete cam profile can be designed as a combined linear system.
          
    The system can be used to generate the cam profile, transmission angle, position, velocity, and acceleration of the follower.
          
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    This paper describes the polynomial of high exponential degree applied to cam curves in internal combustion engine. The problem of high degree polynomial generally used for cam has been solved. Optimum solution is obtained for cam of 12150L diesel by optimization method and the relationship between the exponents of polynomial is generalized.

    本文给出一种高次多项式用于内燃机凸轮曲线的设计,它解决了常用高次多项式凸轮存在的问题。文中用优化方法求得了12150L柴油机凸轮的最优解,并归纳出多项式指数之间的关系。

    This paper discusses the vibration problem of the rapier-driving mechanism driven by a pair of conjugate yoke camsin a rigid-rapier loom. The aim is to find the relationship between the nominal-and the actual dynamic acceleration, and to determine a reasonable cam curve in order to give the rapier a good performance in dynamic acceleration and to reduce the stresses sustained by the rapier-driving mechanism. A mathematical model of the rapier-driving mechanism is depicted and the calculation of the natural frequency,...

    This paper discusses the vibration problem of the rapier-driving mechanism driven by a pair of conjugate yoke camsin a rigid-rapier loom. The aim is to find the relationship between the nominal-and the actual dynamic acceleration, and to determine a reasonable cam curve in order to give the rapier a good performance in dynamic acceleration and to reduce the stresses sustained by the rapier-driving mechanism. A mathematical model of the rapier-driving mechanism is depicted and the calculation of the natural frequency, backlash, shock, and the influence of variable revolution speed of the loom on the acceleration of the rapier-driving mechanism.

    本文研究了由共轭凸轮传动的刚性剑杆引纬机构的振动问题。目的在于探索实际动态加速度与名义加速度之间的关系,从而改进凸轮曲线,以降低剑杆引纬机构的受力。文中建立了剑杆引纬机构的数学模型,计算了系统的固有频率。在进行动态响应计算时,计入了间隙、碰撞和织机回转不匀率对动态特性的影响。

    In this paper, a theoretical analysis of the Characteristic of eccentric cam profile and self-lock condition of eccentric clamping mechanisms are developed, which counteract the weaknesses of some traditional textbooks and papers. The possibility of further improvement of the work function Under steady work conditions is discussed.A precise calculation method of damp forces with computer program, which remedies the defect of some proximate formulas with big errors, and the method and procedure of designing eccentric...

    In this paper, a theoretical analysis of the Characteristic of eccentric cam profile and self-lock condition of eccentric clamping mechanisms are developed, which counteract the weaknesses of some traditional textbooks and papers. The possibility of further improvement of the work function Under steady work conditions is discussed.A precise calculation method of damp forces with computer program, which remedies the defect of some proximate formulas with big errors, and the method and procedure of designing eccentric clamping mechanisms are presented.

    本文对偏心凸轮曲线特性进行了理论分析,对偏心轮夹紧机构的自锁条件进行了推导,弥补了传统的夹具教科书和有关文献在这方面的不足,论证了在工作平稳的条件下进一步提高工作性能的可能性,提出了夹紧力的精确计算方法和电算程序。弥补了过去误差很大的近似计算公式的缺陷。本文还提供了偏心轮夹紧机构的具体设计方法和步骤。

     
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