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分析了阿基米德滚刀加工渐开线齿形的原理误差,推导出滚刀切削刃连续位置的包络线方程及齿形误差的计算式:θ=(nβ)/(Hcos αcos λ)r2sin2α+2r2ha+ha2-((ρnβ)/(Hcos αcos λ))2-1+cos-1((H)/(ρnβ)cos αcos λ)-α△fF=ρ{[(1)/(cos α)((nβ)/(Hcos λ)-(1)/(r2))r22sin2α+2r2ha+ha2]-[((ρnβ)/(Hcos αcos λ))2-1-((ρ)/(r2cos α))2-1]+[cos-1