According to the photographic principle for on-line measurement of the diameter of hot rolling bar, a new method is introduced.
阐述了摄象法实现热轧圆钢的直径在线检测原理。
For the bar and wire endless rolling process, the welded area is required to have similar properties as the base metal.
棒线材的无头轧制工艺，要求焊接部位与基体具有同样的性能。
Improvement of precision of bar steel rolling size and performance forecast requires the bar steel precise counting.
随棒材轧制尺寸精度和性能预报准确程度的大幅度提高，对棒材的精确计数要求也越来越高。
In multi pass hot bar rolling, there are many complicated influences which may affect the final dimensional precision and mechanical properties.
棒材热连轧生产过程中，影响产品最终尺寸精度和性能的因素较多。
All kinds of formulae calculating the spread of bar steel rolling have been analysed theoretically and evaluated by experiments.
从理论和实验两方面分析了现有各种确定型钢轧制宽展变形的方法。
The basic principle of micro tension controlling in rolling process of bar and the realization means of micro tension controlling in PLC program were analyzed.
分析了棒材轧制过程中微张力控制的基本原理，以及微张力控制在PLC程序中的实现方式。
It is introduced how to select reasonable compression ratio and use relative rolling process according to the quality of billet to improve quality of bar.
介绍了根据连铸坯的质量生产棒材选择合适压缩比，采用相应的轧制工艺，提高产品质量。
It may make quantitive account of skew ratio from plain roller rolling square bar.
此模型可对平辊轧制矩形件产生的脱方量进行定量计算。
This paper introduces the endless rolling equipment of bar factory in Tangshan, and the mathematical model of controlled object is set up.
本文介绍了唐钢棒材厂的无头轧制设备，建立了被控系统的数学模型。
The control process of bar rolling speed was presented and the effects of low tension, loop and cascade control in speed regulation were described.
介绍了棒材轧线的系统结构及轧机速度控制过程，详细说明微张力、活套以及级联控制等在速度调节中的作用。
The influence of multislit rolling on the bar rolling workshop designing has been analysed from equipment selection, etc.
从设备选型、 加热炉设计和生产规模等方面分析了多线切分轧制对连轧棒材车间设计的影响。
The special wire and bar steel rolling shop of Sirun Rolling Steel Ltd. bas been introduced. The equipment is secondhand that imported from Sweden.
介绍了锡润轧钢股份有限公司利用由瑞典引进的二手设备建成合金钢棒线材车间的情况和工艺特点。
In order to achieve normal rolling, many steps, in controlling transfer bar temperature, rolling rhythm, thread speed and controlled cooling and so on, are taken.
为了实现正常轧制，在控制粗轧带坯温度、轧制节奏、穿带速度、冷却控制等方面采取了多项措施。
Some typical cold bed structures in bar and shape rolling workshops at home andabroad and the principle to configurate reasonably cold bed are introduced.
介绍了国内外小型轧钢车间一些典型的冷床结构和合理配置冷床的原则。
By simultaneously sampling roll-bar speed and estimating tension by electric current-torque method the forward slip model for continuous shape rolling can be identified on-line.
在正常连轧生产条件下，同时在线采集轧辊与轧件速度并采用电流—力矩法估计机架问张力值，可以在线地识别前滑模型。
To introduce the application of SIMOREG K 6ra24 fully digital DC converter for the wire rod and bar continuous rolling mill production line, describe its configuration, functions and characteristics.
介绍SIMOREGK6ra24全数字直流调速装置在棒线材连轧生产线上的应用，说明其配置、功能及特点。
The validity of the new model has been examined by the bar rolling experiment and the rigid-plastic FEM simulation.
为验证新模型，完成了棒材轧制试验，并且利用刚塑性有限元法对轧制过程进行了模拟。
Atze and Dirk sit at the bar, coughing, rolling unfiltered cigarettes and asking if anyone wants a drink.
阿兹和德克坐在吧里，咳嗽着，手里转着未滤过的香烟，问着人是否要喝酒。
Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.
滚动托料球，减少板料划伤，并可减少摩擦阻力。
The temperature field of the bar in and out the deformation zone during continuous rolling is simulate by finite element method.
采用有限元法分析了棒材连续热轧中变形区及出变形区时轧件横断面温度场。
How to locate the guide roll and loop-rising roll of loop device used in wire and bar rolling mill are discussed. The paper put forward the design and calculation method for the both.
探讨了棒、线材轧机活套装置中导辊与起套辊的位置布置，并给出了其位置布置的设计计算方法。
The often happened problems during continuous rolling for bar are analyzed. A software system of computer simulation is developed. It has provided the scientific basis for production.
分析了棒村连轧生产中易出现的问题，开发了核材连轧轧制模拟软件系统，为实际生产中的工艺控制提供了依据。
As a key equipment in bar mill, the normal operation of the cold shear will influence the steel rolling directly.
冷剪机是棒材生产线的关键设备，它的正常运行直接关系到轧钢生产。
The microstructure and its distribution of ribbed bar, produced by critical austenite control rolling and control cooling, were observed by means of microscope.
用金相方法观察了采用临界奥氏体控轧控冷工艺生产的带肋钢筋的组织及其分布。
In bar rolling production, the output of small-size products can be greatly increased by slitting technology.
棒材生产中，切分轧制技术能大幅提高小断面品种的产量，圆钢切分技术需要高精度控制。
The validity of the new model was examined by the bar rolling experiment and the 3D rigid-plastic FEM simulation.
为了验证新模型，进行了棒材轧制试验并且利用三维刚塑性有限元法对轧制过程进行了模拟。
The application of large system cybernetics to bar or wire rolling plants is narrated.
论述了大系统控制论在棒线材厂的应用。
The technique characteristic of controlled rolling and controlled cooling are introduced as well as its application in bar continuous-rolling in Han Steel.
介绍了控制轧制和控制冷却的技术特点及其在邯钢连轧棒材生产中的应用。
In bar rolling process, the technical conditions of roughing may change and make camber occurred, for example, different temperature at both bar side, bar wedge and off-center in biting.
在板坯轧制过程中，由于某些因素的影响，使板坯在粗轧阶段的工艺参数发生变化，如冷却不均匀，使板坯两侧存在温度差、板坯具有楔形及在咬入过程中偏离轧辊中心线等，都会使板坯产生侧弯现象。
In bar rolling process, the technical conditions of roughing may change and make camber occurred, for example, different temperature at both bar side, bar wedge and off-center in biting.
在板坯轧制过程中，由于某些因素的影响，使板坯在粗轧阶段的工艺参数发生变化，如冷却不均匀，使板坯两侧存在温度差、板坯具有楔形及在咬入过程中偏离轧辊中心线等，都会使板坯产生侧弯现象。
应用推荐