A Parallel Indexing Cam Mechanism with Internal Placed Followers

A new type of parallel indexing cam mechanism is discovered.The composition of the cam profile is proposed and the formulas of the mechanism parameters are established by synthesis of its configuration and size.The equations for working pro- file and pressure angle of the cam are derived based on the inverse model and the derivative of pitch curve of cams.An example is given and demonstrates that it is available to design the new mechanism using the derived expressions.     

电子凸轮通电脉冲频率的研究

论述了电子凸轮通电脉冲频率关系式的推导过程，给出了电子凸轮的部分控制程序框架，揭示了电子凸轮通电脉冲频率与凸轮从动件运动规律之间的内在联系，为实现电子凸轮从动件的速度控制提供了理论依据。     

火力发电厂锅炉用碎渣机凸轮材料磨损性能研究

采用激光和等离子弧淬火表面硬化技术,对火力发电厂锅炉用碎渣机凸轮常用材料合金钢40Cr进行激光表面硬化处理,并将其在销盘式摩擦试验机上进行了摩擦磨损试验.结果表明,激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性.     

基于Pro／E的ATC装置中弧面凸轮分度机构设计与仿真

弧面凸轮分度机构广泛应用于现代自动机械。ATC装置中的弧面分度凸轮的工作廓面复杂．而且是不可展曲面．难于设计和精确制造．应用CAD软件Pro／E，能够快速而准确地设计弧面分度凸轮。同时利用Pro／E的运动仿真功能．检查机构的设计缺陷，对结构进行优化设计。     

数控凸轮轴磨床加工中的仿真技术

在数控凸轮轴磨床加工中进行计算机仿真,对于检查程序错误、避免故障发生、提高加工精度、方便用户具有极为重要意义.重点介绍了全数控凸轮轴磨床加工中凸轮廓形曲线、加工曲线、速度曲线及加速度曲线的计算机仿真基本原理以及软件实现方法.     

Mathematical Modeling of the Numerical Control Cam Grinder Wheel Center Displacement and Its Application

Considering grinding a cam with numerical control(NC)cam grinder,a mathematical model should be estab- lished with the unified parameter based on the original cam-lobe lift data to describe the movement of wheel and establish the relation between the wheel center coordinate,the measuring angle and workpiece's spindle rotation angle.By analyzing,the grinding wheel can be regarded as different followers.To the planar and roller followers,different mathematical models are established, but they can be unified in Eqs.(17)of this paper with the different value of the roller radius r_1.And also the model is suit for the edged follower when assuming the roller radius r_1=0.Experimental verification was done with TKM120 CNC/CBN grinder with NC sets' interpolation according to the model,which shows that high precision parts can be manufactured and this mathemat- ical model can be practically applied for NC cam grinder.     

Mathematical Modeling of the Numerical Control Cam Grinder Wheel Center Displacement and Its Application

Considering grinding a cam with numerical control (NC) cam grinder, a mathematical model should be established with the unified parameter based on the original cam-lobe lift data to describe the movement of wheel and establish the relation between the wheel center coordinate, the measuring angle and workpiece's spindle rotation angle. By analyzing, the grinding wheel can be regarded as different followers. To the planar and roller followers, different mathematical models are established, but they can be unified in Eqs.(17) of this paper with the different value of the roller radius r1. And also the model is suit for the edged follower when assuming the roller radius r1=0. Experimental verification was done with TKM120 CNC/CBN grinder with NC sets' interpolation according to the model, which shows that high precision parts can be manufactured and this mathematical model can be practically applied for NC cam grinder.     

凹圆弧底直动从动件盘形凸轮机构设计新方法

找出了凹圆弧底直动从动件盘形凸轮与原有凸轮之间的区别与联系，并统一了原有凸轮的设计方法，新方法实质上是内凸轮机构当滚子半径大于基圆半径时的一种特殊情况。     

细纱机新型成型机构控制方法的研究

提出变频调速系统控制细纱机偏心凸轮成型机构的算法，介绍了单片机同步控制传动装置的原理及其软硬件实现，并通过实验进行了分析。运行结果表明：该控制系统调节方便，运行可靠，能够满足实际应用的需要。     

加工弧面凸轮专用数控铣床的研究开发

以Y3180型滚齿机的床身、工作台为基础，根据弧面凸轮的加工特性，研究开发具有双回转坐标的专用数控设备，提出加工弧面凸轮专用数控铣床的3种方案；通过论证比较，选择了较为合理的方案，并针对有关技术难点制定了相应的技术路线。