一、建立数学模型波形弹性垫圈模具型面是一个复杂的空间曲面,如图1所示。图1中,y_1—γ_1θ和y_2—γ_2θ两曲线是波形弹性垫圈模具内外圆圆周尺寸沿极坐标的展开圈。为使模具的上下模很好配合,模具型面曲线方程取正弦曲线 First, the establishment of mathematical model Wave washer washer mold surface is a complex space surface, shown in Figure 1. In Figure 1, the two curves y_1 -γ_1θ and y_2-γ_2θ are the unfolding circles along the polar coordinates of the inner and outer circular circumferences of the corrugated elastic gasket mold. In order to make the upper and lower mold with a good fit, the mold surface curve equation to take a sine curve