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弧齿锥齿轮齿面残余应力是磨削条件下各种因素综合作用而产生的。建立了影响磨削残余应力的磨削基本参数、磨削热和磨削力的数学模型。在有限元3D单齿模型基础上,进行了弧齿锥齿轮磨削残余应力的有限元仿真与分析,并试验验证了此方法是可行的。结果表明:残余压应力呈现在弧齿锥齿轮齿面上,而残余拉应力在齿内;磨削残余应力与磨削深度、砂轮速度、展成速度、磨削液有关;磨削残余应力的降低能有效地预防磨削裂纹。
Spiral bevel gear tooth surface residual stress is grinding conditions under the combined effect of various factors arising. A mathematical model of basic parameters of grinding, grinding heat and grinding force that affect the residual stress of grinding is established. Based on the finite element 3D single tooth model, the finite element simulation and analysis of the residual stress of the spiral bevel gear grinding are carried out. The results show that this method is feasible. The results show that the residual compressive stress is presented on the tooth surface of spiral bevel gear and the residual tensile stress is in the tooth. The residual stress of grinding is related to the grinding depth, wheel speed, developing speed and grinding fluid. The residual stress Lowering can effectively prevent grinding cracks.