On the basis of the analysis of threshing units currently used also, a mathematical model of bow-wire tcoth arrangement and kinematic equations for grain ear have been set up in this paper.

• 本文根据“接触次数”的原理分析了一些现有的脱粒装置,建立了弓齿排列的数学模型和谷穗的运动轨迹方程式。