摘要
介绍了机械零件设计工作中如何合理、科学地选择零件表面粗糙度 ,以及用AutoCAD绘制机械零件工作图时 ,如何利用AutoCAD中的块操作建立。
This paper introduces how to choose the value(R a) of surface roughness scientifically and rationally during the mechanical spares design, and how to mark signs of surface roughness fastly by using the block making and inserting in AutoCAD drawing.
出处
《电力学报》
2003年第1期32-34,共3页
Journal of Electric Power
