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为了改善弧齿锥齿轮印痕的稳定性,提出了印痕敏感性系数的优化设计方法.首先,参数化齿面印痕,并分析等效错位量对印痕参数的影响;定义了印痕参数相对于错位量的敏感性系数,建立基于印痕面积和印痕水平位置的敏感性系数之和最小的数学模型,优化小轮机床调整参数,获得具有稳定印痕的齿面.算例的仿真结果表明:在一定的错位量范围内,优化后齿面印痕的敏感性系数之和减小了,改善了印痕的敏感性;印痕发展试验验证了齿面印痕在实际工况下的稳定性.
In order to improve the stability of the spiral bevel gear imprints, an optimized design method of the sensitivity coefficient of the imprints is proposed.Firstly, the influence of the equivalent dislocation on the imprinting parameters is analyzed, The sensitivity coefficient is established, and the mathematical model based on the sum of the sensitivity coefficients of the imprinted area and the imprinted horizontal position is established to optimize the adjustment parameters of the small wheel machine to obtain the tooth surface with stable imprints.The simulation results of the example show that: in certain misalignment The sum of the sensitivity coefficients of the optimized tooth flank imprints is reduced and the sensitivity of the imprints is improved. The development test of the imprints verifies the stability of the tooth flank imprints under actual conditions.