Secondly, on the base of FEM, mesh stiffness of straight toothcylindrical gear is calculated, and curve of stiffness is find.
其次，用有限元法，计算了直齿圆柱齿轮传动的啮合刚度，得出了啮合刚度的变化曲线。
2
The single stage skewed toothcylindrical gears reduction gear optimized design, is a multi-objective optimization question.
单级斜齿圆柱齿轮减速器的优化设计，是一个多目标优化问题。
3
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.