优化后的模具在锻造过程中承受较小的应力分布，从而可以确保模具的使用寿命以及锻件的质量不受影响。
The optimized die is subject to less stress during forging process, which can ensure the service life of dies and guarantee the quality of forging part.
利用有限元软件模拟了V型砧的锻造拔长过程，并对不同夹角的V型砧压下后锻坯塑性变形区内应力、应变的状态进行比较。
The V-anvil drawing process of large forgings was simulated using FE software, and the stress-strain distributions in the plastically deforming area were compared after different V-anvils drawings.
随着锻造温度的增加，变形抗力和加工应力减小，合金的成形性能得到提高。
With the increase of forging temperature, the deformation resistance and stress for working are decreased, which brings about the improvement of formability.
无论是平砧拔长还是新fm锻造法，都要对料宽比加以控制，才能实现横向无拉应力锻造。
Only when the blank width ratio is confined, can no crosswise tension stress forging be realized, regardless of flat platen stretching or the new FM forging method.
其次，应力值较大的地方应变值较小，符合锻造过程中的应力应变变化规律。
Besides, in the position of larger value stress the local strain is smaller that coincide with the law of stress and strain change during the common forging process.
根据轴向应力对棒料剪断方式及其断口形状的影响，设计了对螺帽锻造所用热轧棒料能进行精密剪切下料的新型结构的径向支持下料模具。
The die for the blanking under the radial clamp of nuts for 1C engine is designed based on The effect of radial stress on the shearing method for bars and the fracture shape.
用三维有限元数值模拟软件DEFORM-3DTM进行了数值模拟研究，得到了锻造载荷-行程曲线以及整个成形过程的应力和应变分布等，并与传统的均匀加放余量法进行了比较。
At the same time, 3D-FEM simulation of the whole process was performed using DEFORM-3DTM software. And the load-stroke curve, effective stress and strain distribution, and so on were obtained.
水平V形砧锻造法在内部应力状态、金属纤维组织、锻件的整体性能、宏观几何形状等方面都优于普通平砧锻造法。
The forging method is superior to the common flat anvils(FA) forging method in inner stress states, metal tissue, overall properties and geometrical shapes of forgings.
根据数值模拟结果，研究了不同锻造工艺参数(变形温度、变形速率、压下量等)对叶片锻造过程中的变形力、应力和应变变化的影响规律。
According to the simulation results, we studied the effect of the process parameters, including the deformation temperature, initial strain rate and stroke, on the load, equivalent st...
根据数值模拟结果，研究了不同锻造工艺参数(变形温度、变形速率、压下量等)对叶片锻造过程中的变形力、应力和应变变化的影响规律。
According to the simulation results, we studied the effect of the process parameters, including the deformation temperature, initial strain rate and stroke, on the load, equivalent st...
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