For the shaper,the kinematic sketch is established. The virtual model is built and the dynamic simulation is carried out by the dynamic simulation software ADAMS to reveal its motion law. Through the parameterization of thepole coordinate points,the working stroke is increased as the goal in order to optimize the design of themechanism.%针对牛头刨床，建立其运动简图，利用运动学仿真软件ADAMS对其机构进行虚拟建模并对该机构进行运动仿真，揭示其运动规律。通过对杆件坐标点的参数化，并以增大其工作行程作为目标，对其机构进行优化设计。
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