分析了螺柱焊接质量的现状，剖析了瓷圈和螺柱对螺柱焊接质量的影响。
The present status of bolt welding quality is presented. The effect of porcelain cover and bolt on the quality of bolt welding is analysed.
根据弹性动力学理论，采用纵向导波与弯曲导波相结合的方法对螺柱所受轴向应力进行无损检测。
Based on the theory of elastodynamics, the longitudinal guided wave and flexural guided wave group velocity dispersion curves for M22 stud were calculated.
基于步进式电弧螺柱焊方法，以焊接过程中螺柱与工件之间挤压力为控制量，实现对螺柱送进深度的控制。
In this paper the extrusion pressure between the stud and the workpiece during stepping arc stud welding process is acted as the controlled variable so as to control the stud plunge depth.
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