| 1. | Reduction per pass
每道次压下量 |
| 2. | The optimized speed curve can bring a steady press - down dimension in the process of the ring rolling which could assure high quality products
优化后的芯辊进给速度曲线能保证辗扩过程中始终有理想的每转压下量，从而降低缺陷的发生，提高零件质量。 |
| 3. | Based on ladle refining , wide flat anvil forge with great forging ratio , heat treatment process of " normalizing + spheroidizing + diffusion hydrogen " , the cold roll blank has been forged succesfully , and the percent of pass is up to 90 . 5 %
采用钢包精炼炉冶炼、宽平砧大压下量锻造、 “正火+球化+扩氢”的热处理工艺，成功制造了冷辊坯，合格率达90 . 5 。 |
| 4. | Abstract : the lubricating condition of cold rolling is affected by many factors . this paper shows the relationship between the friction coefficient and three rolling parameters , such as rolling speed , reduction and concentration of rolling lubricating oil
文摘:主要研究了在冷轧过程中,轧机辊缝摩擦系数受轧制速度、相对压下量以及乳化液浓度因素影响的变化规律。 |
| 5. | Abstract : based on ladle refining , wide flat anvil forge with great forging ratio , heat treatment process of & quot; normalizing + spheroidizing + diffusion hydrogen & quot; , the cold roll blank has been forged succesfully , and the percent of pass is up to 90 . 5 %
文摘:采用钢包精炼炉冶炼、宽平砧大压下量锻造、 “正火+球化+扩氢”的热处理工艺，成功制造了冷辊坯，合格率达90 . 5 。 |
| 6. | An experiment of the scaled down fmv forging process is carried out under the conditions of different high reduction and different speed of upper anvil in order to verify the redeveloped deform3d , the constitutive relation inserted in deform3d and the material constitutive parameters
根据大型汽轮机转子的实际锻造过程，完成了几种不同的压下量和变形速度的按比例缩小的fmv拔长工艺模拟试验。 |
| 7. | According to the work condition of one 1450 five - stand tandem cold mill , reduction distribution as decision variable , the penalty function was established , in which rolling pressure distribution ratio was as objective function and the constraint condition of reduction distribution was as penalty term
根据某1450五机架冷连轧机生产工况，以压下量分配为自变量，以轧制力成比例分配为目标函数，将压下量分配的约束条件作为惩罚项，建立惩罚函数。 |
| 8. | The influences of the high reduction and the upper anvil speed on microstructure evolution are discussed . a comparison between the simulated and experimental results on distribution of the average grain size shows that both results are in agreement very well . this means that the redeveloped deform3d is successful
分析讨论了压下量和变形速度对微观组织的影响，并通过试验结果和计算结果的比较，验证了所使用的材料本构模型及其参数值的正确性，也说明了本文所进行的软件二次开发是成功的。 |
| 9. | ( 2 ) for the cyclic pressing technics , the thickness of densified layer of ring was studied , and the rules which the technics must follow had been investigated , and the influence of parameter on densification results had also been investigated . according to the theory of rolling , the conclusion of thickness of densification layer had been drawn for the dual - direction cyclic pressing . the term that decreased height of one stage and distance of one step advancing had been researched
( 2 )对楔压压透深度规律进行了初步探索,同时对楔压过程参数(单道次压下量和楔压步进量)所要遵循的规律以及楔压工艺参数(压制方式、压下量和压制温度)对坯件性能的影响进行了研究。 |
| 10. | Abstract : based on the principle that the radical force of each roller should be equal roughly during the stagger spinning process , matching relationships among reductions of rollers on slope are defined after considering fully various influence factors of radical force . then locus equation of each roller is defined by using geometry relationship
文摘:基于错距旋压过程中各旋轮的径向力大致相等的原则，在充分考虑了影响径向旋压力的各因素后，确定了处于斜坡时各旋轮的压下量之间的匹配关系，进而利用几何关系分别求得各旋轮的运动轨迹方程。 |
