运用变形功原理，推导出求金属塑性挤压过程中挤压力的一种极其简捷的近似计算式。
On the principle of the deformation work this paper words out a very simple method for approximate calculation of the extrusion force in the metalic plastic extrusion processes.
从而为变形力、变形功与节省材料的角度优化设计体积成形工艺及模具找到了有效途经；
All above make it possible to optimize the bulk forming process and the die design in respect of decreasing forming force and saving material.
通常棒子会变热，你做的功，变成热能，导致棒子的变形。
And in general the rod gets hot, and the work that you have done goes into heat and goes into the deformation of the rod.
在福州961人防工程乌山主通道工程施工中采用中洞先行的施工方法，地功地控制了地表变形，保证了地表建筑物的正常使用。
Center drift first construction method was adopted in Wushan main tunnel of Fuzhou 961 Civil Air Defence Work, and ground surface deformation was well controlled.
最大塑性功原理又称第二塑性变分原理，在致密体塑性变形分析中是运用能量法进行变形力能计算的基础。
Maximum plastic work principle is an important theorem for analyzing plastic deformation which is a foundation to calculate deformation force with energy method.
理想形变假设认为变形是在整体塑性功取得相对极值的条件下得到的，给出了理想形变的数学公式和有限元表达。
The mathematics formula and FE expression of ideal forming obtained when the global plastic work has its relative extreme value is provided.
并根据试验所得的数据，对各种变形制度所对应的轧制力，轧制功以及轧制周期进行了比较。
Basing upon the experimental data, comparison has been made for different deformation schedule in regard to the corresponding rolling force, rolling energy and rolling cycle.
因此，它比泵直接传动的压机升压快，但是在使工件产生变形时作的功都是相等的。
So hydraulic press driven by pump-accumulator can boost pressure more quickly than driven directly by pump, but the work is equal when the two types of presses make work pieces deformed.
因此，它比泵直接传动的压机升压快，但是在使工件产生变形时作的功都是相等的。
So hydraulic press driven by pump-accumulator can boost pressure more quickly than driven directly by pump, but the work is equal when the two types of presses make work pieces deformed.
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