The optimization design of the CAM curve is very important in the design of a zoom system because it will eventually affect the stability of image surface and flexibility during zoom operation.
由于变焦系统的凸轮曲线对变焦过程中像面的稳定、操作的灵活性都有重要影响，因此变焦曲线的优化设计有着重要的意义。
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。
Based on the curve of quintic polynomial, the take-up CAM is designed, and the method of optimized design is presented in this paper.
利用五次多项式曲线对挑线凸轮进行了设计；并根据刺绣机的特殊要求，提出了刺绣机最优化设计方法。
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