成型的封头通常应用单板制作。
传统的线圈成型模只能成型线圈的端部形状，而该装置在此基础上增加了对线圈的预弯、铲头、封焊等功能，在定子线圈热压前一次完成以上各工序。
But in this shaping installation, besides the mentioned functions, shaping, shoveling, soldering and sealing of the stator coils can be completed at the same time before hot pressing.
对在压力容器缠绕成型中，同一个纵向缠绕层中两端封头采用不同的缠绕角缠绕进行缠绕线形的理论分析与计算。
In this paper, we conduct the analysis and calculation to the winding pattern of the pressure vessels with different winding angle in both of the dome ends in the same winding layer.
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