论文中用到了哪些理论知识？

滚珠丝杠计算论文 摘要：本文研究了滚珠丝杠的计算问题，并提出了一种新的计算方法。首先，介绍了滚珠丝杠的结构和工作原理，然后分析了滚珠丝杠的负载和传动特性。针对滚珠丝杠的计算问题，提出了一种基于有限元分析的计算方法。通过建立滚珠丝杠的有限元模型，对其进行力学分析，得出了滚珠丝杠的应力和变形情况。然后，根据计算结果，确定了滚珠丝杠的设计参数，包括丝杠直径、螺距、滚珠直径、滚珠数量等。最后，通过实验验证了计算结果的正确性。 关键词：滚珠丝杠；有限元分析；设计参数；应力；变形 Abstract: This paper studies the calculation problem of ball screw and proposes a new calculation method. Firstly, the structure and working principle of ball screw are introduced, and then the load and transmission characteristics of ball screw are analyzed. In view of the calculation problem of ball screw, a calculation method based on finite element analysis is proposed. By establishing the finite element model of ball screw and analyzing its mechanics, the stress and deformation of ball screw are obtained. Then, according to the calculation results, the design parameters of ball screw are determined, including the diameter of screw, pitch, diameter of ball, number of ball, etc. Finally, the correctness of the calculation results is verified by experiment. Keywords: ball screw; finite element analysis; design parameters; stress; deformation