The distribution law of horizontal cross section area of ring forging and ring blank is put forward to describe the rolling formability of conical ring with inner steps.
对内台阶锥形环件轧制难度进行了分析，提出用环件锻件和轧制毛坯的水平横截面积分布规律来描述内台阶锥形环件的轧制难度。
The cooling process of crankshaft blank before forging was simulated. The reliability of the simulation program was confirmed by comparison the change of simulated temperature with that of measured.
对曲轴坯料锻造前的冷却过程进行了模拟，研究了温度场的变化情况，通过与实测结果的比较，证明了模拟过程的可靠性。
The effect of temperature field on forging process was also analyzed. Furthermore, the hypothesis that the temperature of blank was well-distributed during forging used in the simulation was proved.
分析了温度场分布对锻造过程的影响，并验证了锻造模拟过程中坯料温度分布均匀这一假设的可行性。
The forming defect of the bend forging and the influence of blank and die shape parameters are studied. All of these provide theoretical basis for practice.
分析了弯曲成形中出现的主要缺陷，提出了毛坯形状和尺寸、模具参数对成形质量的影响规律，为实际生产提供了理论依据。
In this paper, the precise warm forging for finger gear blank of motorbike is numerically simulated using software DEFORM.
采用DEFORM软件对摩托车带爪齿轮坯进行了温精锻成形工艺数值模拟分析。
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.
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。
The research results will be significant for extending the engineering application of cross wedge rolling, especially for the application of forming blank for closed die forging.
研究结果对于扩大楔横轧工艺的应用有实际意义，尤其是对于锻件制坯成形的应用，将起到良好的作用。
The preparation treatment of the blank, the structure design of the cold-forging die and the manufacturing technical requirements were generated basing on practice experience.
根据实践经验总结了毛坯的制备处理、冷镦模具结构设计及加工技术要求。
It's very difficult to make the volume of blank material and bulk of closed cavity equal because of all kinds of influence of factors for no-draft closed-forging.
对于无飞边闭式模锻，由于各种因素的影响，很难使坯料体积与闭式模膛的容积恰好相等。
By analyzing a typical example, this article gives a method of determining the weight of cutting stock during finish forging gear blank.
通过一个典型实例的分析，给出了确定精锻齿坯下料重量的方法。
The extruding forming and finish die forging were simulated, and the simulation results show that the backward extruding blank is right and can form forgings;
对挤压制坯、开式终锻成形进行了有限元模拟。模拟结果显示，挤压毛坯能正确成形锻件；
The extruding forming and finish die forging were simulated, and the simulation results show that the backward extruding blank is right and can form forgings;
对挤压制坯、开式终锻成形进行了有限元模拟。模拟结果显示，挤压毛坯能正确成形锻件；
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