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在英制圆锥滚子轴承设计中．主参数之一的滚子半锥角ψ的确定很重要．也很麻烦．需初定一ψ值，通过繁琐的计算与调整．使其满足壁厚系数和其他约束条件的要求。给出了一种英制圆锥滚子轴承ψ值的计算方法。附图1幅。
In the English tapered roller bearing design. The determination of the half-cone angle ψ of the roller, one of the main parameters, is important. Also very troublesome. Need to set a ψ value, through tedious calculations and adjustments. Make it meet the requirements of wall thickness coefficient and other constraints. A method for calculating the ψ value of inch tapered roller bearing is given. Figure 1 picture.