Abstract: It describes the basic structure of screw component, presents itsmachining technique. The examples validate that the process is useful and efficient.

• 文摘:介绍了进口螺旋国产部件的基本结构，阐述了该部件在制造过程中的加工工艺，经实践验证效果良好，并取得了显著的经济效益。