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中文摘要：
根据多股簧的成形过程,分析了单股钢丝中心线的空间结构,在现有几何参数基础上计算了钢索分布圆半径、钢丝螺旋倍数和钢丝中心线的轨迹扫描参数。提出了基于特征扫描的多股簧辅助设计方法,通过一个扫描步即可得到多股簧单股钢丝中心线的模型,并给出了基于PROE软件的建模方法。在上述多股簧设计计算的基础上,采用模型结果,给出了多股簧加载过程中弹簧和钢丝应力应变特性的ABAQUS有限元仿真分析。分析结果显示了多股簧承载时钢丝的应力应变特性、钢丝截面的应力分布情况、加载速率对多股簧簧圈振动的影响,弥补了现有多股簧分析和测试手段的不足,为多股簧的生产加工和性能实验提供有效的指导。
英文摘要：
The spatial structure of single wire is analyzed based on the forming process of stranded wire helical springs.Additionally,three parameters are derived from the existing foundation,including distribution circle radius of strand,spiral parameter of single wire and track scanning parameter.The aided design method of stranded wire helical springs based on feature scanning is put forward in which the centerline model of single wire can be obtained through one scanning step and the modeling method is given based on PROE code.The simulation analysis for spring in loading is performed by using ABAQUS code based on the calculation results.The finite element analysis results show the stress-strain ability of wire and the stress distribution of the section.The affects of loading rate on vibration of coils is also found.The results can make up for the deficiency of existing methods and give more beneficial assistance for production processing and performance test of the stranded wire helical springs.
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同项目期刊论文
Mathematical model for determination of strand twist angle and diameter in stranded-wire helical spr
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