凸轮活塞式发动机的核心部件为双面空间圆柱凸轮，其轮廓曲线将影响发动机的工作性能。
The core part of the piston CAM engine is the spatial cylindrical CAM with dual surfaces, whose profile affects the overall engine performance.
与传统图解法相比，极坐标矢量法设计空间凸轮廓线工作量减少了约5 0 %，并有利于凸轮廓线的精确数控加工。
Comparing to the traditional graphic method, the workload of new method is about 50% less than that of the graphic method and it is more suitable for the numerical controlled manufacturing.
首先根据工作原理建立了数学模型，然后从分析设计理论误差出发，提出了以虚拟样机技术作为辅助手段的贴标机凸轮轮廓曲线的参数化的设计算法。
Advance modern means and research method such as digital thehnology, virtual prototype(VP), dynamic design is utilized on the theory study during the course of new model equipment's research.
首先根据工作原理建立了数学模型，然后从分析设计理论误差出发，提出了以虚拟样机技术作为辅助手段的贴标机凸轮轮廓曲线的参数化的设计算法。
Advance modern means and research method such as digital thehnology, virtual prototype(VP), dynamic design is utilized on the theory study during the course of new model equipment's research.
应用推荐