The criterion that should be obeyed as designing the die transition of cross wedge rolling was expounded in theory.
从理论上阐明了设计楔横轧模具过渡段应遵循的准则。
2
The effect of the rolling tension stress on the natural frequencies of the circular saw is discussed and the criterion to evaluate its dynamic behaviour is proposed.
从理论上探讨了圆锯片受适张度应力作用时固有频率的变化规律，提出了合理的圆锯片辊压适张度评价准则。
3
Present design criterion for the roller. This will be have guiding significance to the design of ring rolling technology.