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以三维有限元法对多齿对同时啮合直齿圆锥齿轮轮齿变形和瞬时啮合刚度进行了详尽分析研究．用ＳＧＤＣＳ齿轮动态效应试验台进行了轮齿变形的激光测试，测试结果与理论计算结果的变化趋势具有稳定的一致性．
The three-dimensional finite element method is used to analyze and analyze the deformation and instantaneous meshing stiffness of simultaneous teething of spur bevel gears. The laser test of gear tooth deformation was carried out with SGDCS gear dynamic effect test bench. The test results are consistent with the trend of the theoretical calculation results.