Roll pass on angle steel rolling, I-beam rolling and U-section, etc. were intensively studied.
他对角钢孔型轧制的，工字钢轧制和U -型钢轧制等剧做过深入研究。
The experimental research was mainly carried out in a rolling test facility at atmospheric pressure and temperature, and the test section was glass tube, through which the air and water co-current flow and form different flow patterns.
实验研究主要是在常温常压下的摇摆台架上进行，试验段为透明的有机玻璃管，空气和水作为流动工质同向通过试验段形成不同形状的流型。
But the research on cold ring rolling of irregular section ring is relatively backward, there are many technical problems during production process.
而异形截面环件冷辗扩的研究则相对滞后，实际成产中存在较多技术难题。
Based on finite element simulation and experiment, the research of residual stress was put forward for the first time. It obtained the variation laws of residual stress in the process of cold rolling deep ball groove section bear race.
基于有限元模拟和实验方法，首次进行了环件冷辗扩残余应力的研究，得到了深沟球截面环件冷辗扩过程中残余应力变化规律。
The production situation, including selection of pass schedule, characteristic of pass design, trial rolling process as well as whole process, of having applying the technique of producing 270mm seamless tube blank on 550 medium section mill is introduced and summarized in the paper.
介绍了Φ550mm 中型轧机上采用Φ270mm 圆管坯轧制圆钢的生产情况，包括孔型系统的选择，孔型设计的特点，试轧情况及对试制过程进行了概括总结。
It is put forward that the optimum design for section steel rolling is fundamental method to prevent technical failure.
论文在对目前各种型钢轧制工艺计算机辅助设计文献中所用的优化设计方法作出研究之后认为：它们难以满足这一要求。
Add lubricating oil to the bearing of top framework block, the bearing of motion block of hang coop, rolling wheel axle of lift framework, block of hang shaft, the turning axle of safety institute, slid of rope-break safety institute, end of standard section etc.
9.3.1.4顶架滑轮轴承，吊笼动滑轮轴承，提升架滚轮轴，吊杆滑轮，停层安全机构转轴，断绳安全机构滑道，标准节端部等润滑点按润滑周期表的要求定期加油。
According to the actual working conditions of the vertical cold ring rolling machine with single following guide roller, the kinematical models of cold rolling rectangular cross-section ring and ball ring were established respectively, the diameter variation rules of both rings were analyzed and the guide roller motion rule under certain rolling condition was researched.
根据立式单导向辊随动导向冷辗环机的实际工况，建立了矩形截面环件和深沟球截面环件冷辗扩的运动学模型，分析两种环件的直径变化规律，研究了一定辗扩工艺条件下导向辊的运动规律。
According to the actual working conditions of the vertical cold ring rolling machine with single following guide roller, the kinematical models of cold rolling rectangular cross-section ring and ball ring were established respectively, the diameter variation rules of both ring s were analyzed and the guide roller motion rule under certain rolling condition was researched.
根据立式单导向辊随动导向冷辗环机的实际工况，建立了矩形截面环件和深沟球截面环件冷辗扩的运动学模型，分析两种环件的直径变化规律，研究了一定辗扩工艺条件下导向辊的运动规律。
Even though, it seemed little difficult after this first stage, when engine dumped while Road Runner was rolling down one section of the course.
虽然，似乎有点困难，第一阶段后，当发动机倾销，而道亚军是滚下该课程的其中一节。
The bracket's sliding plate used as the rolling mill's spindle in the light-medium section workshop of the Bar Plant was transformed three times after its imported sliding plate lost efficacy, but not showing satisfactory effect.
棒材厂中小型车间轧机接轴使用的托架滑板长期受到磨擦力与冲击力的作用，在进口滑板失效后先后进行三次国产转化，未取得满意效果。
The changing law of residual stress in cold ring rolling was obtained by comparing the results, which provided the base for controlling residual stress and dimension accuracy when rolling groove ball section ring.
通过分析比较，得到了沟球截面环件冷轧过程中残余应力的变化规律，为控制沟球截面环件冷轧残余应力及尺寸精度提供了依据。
Tensile specimens 44.5-mm long with a reduced gage section of 20.3 x1.52 x 0.76 mm3 were machined from the tempered plate with gage lengths parallel to the rolling direction.
拉伸试样44.5毫米长，以减少轨段20.3 x1.52 × 0.76 mm3和被加工的锻炼板片的长度，平行于轧制方向。
It is widely employed in many industrial domains. The most attractive domain of ring rolling technology is to roll the rings with specially-shaped cross section directly. But the rolling deformation law of ring with specially-shaped cross section is more complicated compared with rectangle section ring and in the process there are lots of special phenomenon such as underfilling, shrinking-drawing, concave, saucer shape and etc.
环件轧制技术最有吸引力的领域和发展方向是直接轧制成形截面轮廓复杂的异形截面环件，然而，与矩形截面环件相比，异形截面环件轧制成形规律更复杂，轧制过程中常常出现截面轮廓充不满、拉缩、凹坑、碟形等各种特有现象，这些现象是异形截面环件轧制成形规律的客观反映。
Study of the possibility of crack for the section rolling and other forming processes.
研究型钢轧制和其他成型过程中裂纹形成的可能性。
1 Rolling mill of Anyang Steel can produce large and medium angles, medium-size rounds in its section mill train by using 150×150mm billet, successfully realizes the transformation of billet specification from 120×120mm to 150×150mm.
第一轧钢厂型材机组通过对现有的部分工艺装备进行改进，开发了大、中规格角钢及中圆钢采用1502方坯轧材工艺，成功地实现了1202方坯向1502方坯的转化和平稳过渡。
H- section steel in the Section Steel Plant, rough rolled, directly enters the finishing mill train, causing some parts in the surface pressed in by reoxidation rolling scale, influencing the appearance of the steel.
型钢厂中型线的H型钢经粗轧后，直接进入精轧机组，造成表面部分二次氧化铁皮压入，影响了钢材的外观形象。
Based on study of real measured data at situ, the calculated modelling of rolling stock temperature of Nb microalloyed HSLA steel during rough and finish rolling from thickness 210～250 mm slab to 3.0～8.0 mm finishing strip by 3/4 hot continuous rolling mill train including calculation to stock temperature reduction at roll table, rough rolling, finishing rolling and laminar flow cooling section has been established.
以含铌高强度低合金钢为主要研究对象，坯料厚度2 1 0～2 5 0mm ，带坯厚度32～38mm ，成品带钢厚度3.0～8.0mm ，根据3 4连续式热连轧机轧制工艺特点，在大量现场实测数据的基础上，建立了轧制过程中轧件温度的数学模型。1 温度计算模型确定边界热流变化取决于边界的冷却条件，边界条件不同，界面的热流密度及对流换热系数的计算公式各异。
The experiment was conducted in cold rolling machine D56G90, the diameter and section profile of the groove ball ring in different rolling stages were measured.
在D56G90型冷辗环机上进行实验，测量了不同阶段的环件直径和沟球截面形状。
Tension control of the continuous rolling, continuous section rolli
为提高型钢连轧机的张力控制精度，笔者进行了预张力式智能化微张力控制系统的研究。