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<p>A novel vibratory thru-feed rolling process for involute splined shaft was proposed and validated on a prototype equipped with a resonant module. The effects of lubricating medium, vibration frequency, and vibration amplitude on axial load were investigated. Through experimental analysis with the nonlinear surface fitting method, the optimum process parameters were determined to be a vibration frequency of 41&#xa0;Hz, amplitude of 0.5&#xa0;mm, and oil lubrication. An additional experimental validation was performed under these optimal conditions, resulting in a 39.06% reduction in axial load compared to the condition with neither vibration nor lubrication. Furthermore, the dimensional accuracy and mechanical properties were still within the requirements. Specifically, the grain size was refined by 56.54%, residual compressive stress increased by 143%, and hardness improved by 31%.</p>

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Axial load of vibratory thru-feed rolling process for involute splined shaft

  • 期刊论文

  • 发表日期：

    2025年1月9日

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  • Dazhou Liu,
  • Yangfeng Cao,
  • Hengwang Ren,
  • Yongfei Wang,
  • Shengdun Zhao

摘要

A novel vibratory thru-feed rolling process for involute splined shaft was proposed and validated on a prototype equipped with a resonant module. The effects of lubricating medium, vibration frequency, and vibration amplitude on axial load were investigated. Through experimental analysis with the nonlinear surface fitting method, the optimum process parameters were determined to be a vibration frequency of 41 Hz, amplitude of 0.5 mm, and oil lubrication. An additional experimental validation was performed under these optimal conditions, resulting in a 39.06% reduction in axial load compared to the condition with neither vibration nor lubrication. Furthermore, the dimensional accuracy and mechanical properties were still within the requirements. Specifically, the grain size was refined by 56.54%, residual compressive stress increased by 143%, and hardness improved by 31%.