A concept so called "front workingregion" is devised by the author for revising the vibration isolation theory.
提出了“前工作”区的概念，修正了隔振理论。
2
According to stress distribution pattern in workingregion of the workpiece, the plastic flow condition is inspected, the mechanism of cold rolling forming is analyzed.
通过工件工作区的应力分布云图考察金属材料的塑性流动情况，分析冷辗成形的机理。
3
The obtained optimum parameters, workingregion diagrams and working efficiency curve diagrams have more practical value in selecting AAR process and operating parameters.