中文摘要：

针对导针在横机成圈编织过程中的运动规律和应力最大位置均不明确等问题，利用ABAQUS／CAE建立了横机成圈机构的有限元模型，通过ABAQUS／Explicit,显示求解器模拟了横机成圈编织的动态过程，得到了整个成圈过程中导针随时间变化的位移、速度、加速度曲线图。通过分析这些曲线，找到了三角和织针或导针发生碰撞冲击的关键点，并得到了这些关键点的导针的应力云图。仿真结果表明，导针在整个成圈过程中，应力最大位置出现在导针和三角首次接触时，最大应力为857．1MPa。该研究结果为横机成圈机构的进一步分析及优化提供了理论基础。

英文摘要：

Aiming at the problem that the guide needle＇s motion law and the maximum stress position are not clear in the knitting process of the fiat knitting machine, the ABAQUS/CAE was utilized to establish the finite element model of the knitting mechanism of the fiat knitting machine. The needle＇s curves of the displacement, velocity and acceleration in process of knitting were gotten by simulating the dynamic knitting process of the fiat knitting machine via the ABAQUS/Explieit solver. Through the analysis of these curves, the key points of the contacts and impacts between knitting needle or guide needle and cam were found. Then the stress cloud charts of the key points of the guide needle were obtained. The simulation results indicate that the maximum stress position of the guide needle is at the location of the guide needle and the triangular which contact in process of knitting and the maximum stress is 857.1 MPa. The results provide a theoretical basis for the further analysis and optimization of the knitting mechanism of flat knitting machine.