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Research on the Spring Creep Based on the Load Simulator of the Double Torsion Spring Steering Gear
Bo Zhang1, Peijie Ren1, Zhuo Wang1
1College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China.
Abstract:
In this paper, creep at room temperature is studied using a mechanical double-spring steering-gear load table, and the results are used to determine the accuracy of theoretical and simulated data. A creep equation at room temperature, based on the parameters obtained by a new macroscopic tensile experiment method, is used to analyze the creep strain and creep angle of a spring under force. The correctness of the theoretical analysis is verified by a finite-element method. Finally, a creep strain experiment of a torsion spring is carried out. The experimental results are 4.3% lower than the theoretical calculation results, which demonstrates the accuracy of the measurement, with an error of <5% achieved. The results shows that the equation used for the theoretical calculation is highly accurate and can meet the requirements of engineering measurement.
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