Expatiated on the structure of screw of three scresw pump, according as the structure, created a modeling process in ug and detailed introduce the process.

• 阐述了三螺杆泵中的主要零件“螺杆”的结构特征,在ug下依据螺杆的结构特征创建一个符合这个结构特征的建模过程,并作了较详细的介绍。