Abstract
This paper is mainly aimed at 0.28 + 6 × 0.26 steel cords and 0.26 + 6 × 0.24 steel cords under different lay length conditions through the ABAQUS finite element analysis software to limit the tensile performance of the steel cord and the stress field distribution during the tensile loading. Based on the finite meta-analysis, in this experiment, the tensile simulation of the same kind of steel cord at the twist lay length of 5 mm, 7 mm, 9 mm, 11 mm, 13 mm, and 15 mm was carried out under the condition of 2 mm/s. The results show that, under certain conditions of other process conditions, with the increase of the twisting distance of the steel cord strands, the strength of the steel cord increases, the deformability decreases, the stress concentration decreases, and the spinning loss decreases. The spinning loss formula is modified to reduce the calculation error.
Highlights
Steel cords are usually used as meridian tire skeleton structures and play an important role in improving tire strength, performance, and service life [1,2,3]
Wang et al [15, 16] summarized three modeling methods including three-dimensional drawing software and modeling equation combined modeling, using the sweeping method for modeling, and mathematical software combined with three-dimensional drawing software modeling. en, the data envelopment analysis method was introduced into the steel cord modeling analysis
In order to make the steel cord finite element analysis process consistent with the steel cord tensile performance test process as much as possible, a 5 mm length MPC constraint was applied to both ends of the steel cord through the reference point, and according to the tensile test process, using a dynamic explicit analysis step, a completely fixed boundary condition is applied to one end of the rope, and the other end is stretched at a constant speed of 2 mm/s in the stretching direction
Summary
Steel cords are usually used as meridian tire skeleton structures and play an important role in improving tire strength, performance, and service life [1,2,3]. In 2019, Li et al [18] analyzed the influence of steel cord length, wire diameter, rubber thickness, and the number of internally distributed steel cords on the drawing force of the steel cord conveyor belt joint. The finite element method is used to determine the internal stress distribution and spinning loss state of the steel cord under different lay length conditions to improve the performance of the steel cord. It is attempted to analyse the force distribution of steel cord core and surface strands and the trend of maximum load through ABAQUS finite element analysis software for the stretch load of steel cords under different lay length conditions. It is attempted to analyse the force distribution of steel cord core and surface strands and the trend of maximum load through ABAQUS finite element analysis software for the stretch load of steel cords under different lay length conditions. e steel cord model is made of 0.28 + 6 × 0.26 (0.28 mm diameter single wire with 6 surface strands, 0.26 mm diameter monofilament) steel cord, and 0.26 + 6 × 0.24 (center strand is 0.26 mm diameter monofilament, surface strands of the wire is 6 0.24 mm diameter single wire) steel cord, through the ABAQUS software model building module for steel cord 3D model drawing and the use of ABAQUS finite element analysis section for 0.28 + 6 × 0.26 steel cord and 0.26 + 6 × 0.24 steel cord at 2 mm/s stretch simulation under conditions
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