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  rough rolling
     PROBLEMS AND COUNTERMEASURES FOR“1+3"ROUGH ROLLING PROCESS
     热轧粗轧“1+3”工艺产生问题及治理对策
短句来源
     Simulation Research on 2050mm Rough Rolling Mill System
     2050粗轧轧机系统仿真研究
短句来源
     PREDICTION OF ROUGH ROLLING FORCE BY BP NEURAL NETWORKS
     粗轧过程轧制力BP神经网络预报
短句来源
     Temperature Model of Rough Rolling Process for Mill 2050
     2050轧机粗轧过程温度仿真模型的研究
短句来源
     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.
     根据现场实测数据的研究 ,建立了铌微合金化高强度低合金 2 10~ 2 5 0mm厚板坯轧成 3.0~ 8.0mm成品带钢在 3 4连续式轧机组粗轧和精轧时轧件温度计算模型 ,包括辊道、粗轧段、精轧段、层流冷却段轧件温降的计算公式。
短句来源
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  roughing mill
     Principle and Application of Vacuum Coolant Filter for Φ750×Φ1400/2800mm Roughing Mill
     Φ750×Φ1400/2800mm热粗轧机乳液真空过滤器及其应用
短句来源
     The Modification Scheme of Main Drive Universal Spindle for 2800mm Hot Roughing Mill
     2800mm热粗轧机主传动万向接轴修复方案设计
短句来源
     Roughing mill setup and automatic width control mathematic model are adopted in the width control of 1780 mm hot strip mill plant of Stainless Steel branch.
     不锈钢1780 mm热轧生产线上的宽度控制中,主要采用了粗轧设定数学模型(RSU)及自动宽度控制模型(AWC)。
     The Development & Application of the Semi-steel C9-1 Roll for Hot-strip Roughing Mill Stand Ⅰ
     热轧带钢粗轧Ⅰ机架C9-1半钢轧辊的开发应用
短句来源
     Finite Element Simulation of Plate roughing mill roll Strength
     中厚板粗轧机轧辊强度的有限元模拟
短句来源
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  roughing
     Principle and Application of Vacuum Coolant Filter for Φ750×Φ1400/2800mm Roughing Mill
     Φ750×Φ1400/2800mm热粗轧机乳液真空过滤器及其应用
短句来源
     Roughing and intermediate rolls for structure and wire mills were made of adamite steel contain-ing 1.3~1.5%C;
     型钢和线材轧机的粗轧和中间机架的轧辊采用含C 1.3~1.5%;
短句来源
     The Modification Scheme of Main Drive Universal Spindle for 2800mm Hot Roughing Mill
     2800mm热粗轧机主传动万向接轴修复方案设计
短句来源
     Study and Implementation of Mainshaft Disassembly and Assembly Process for Baosteel 2050mm Hot-rolling Roughing
     宝钢2050热轧粗轧机主轴的拆装工艺研究与实施
短句来源
     Roughing mill setup and automatic width control mathematic model are adopted in the width control of 1780 mm hot strip mill plant of Stainless Steel branch.
     不锈钢1780 mm热轧生产线上的宽度控制中,主要采用了粗轧设定数学模型(RSU)及自动宽度控制模型(AWC)。
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  rough mill
     Application of TDC in Baosteel 2050 Rough Mill
     TDC在宝钢2050粗轧生产线的应用
短句来源
     Study on Improvement of the Main Transmission System in 2800 Rough Mill
     2800热粗轧机主传动系统改造方案研究
短句来源
     Study on Modeling and Optimization for Hydraulic Width Control in Rough Mill and Tension Control in Finish Mill
     粗轧液压宽度控制系统与精轧张力控制系统仿真及优化研究
短句来源
     Screw Down Automatic Calibration of Rough Mill R6
     粗轧R6压下自动标定
短句来源
     Simulation of camber control for rough mill of hot strip rolling
     带钢热轧粗轧机跑偏控制仿真
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  rough rolling
Thus, the thermal history of a slab during rough rolling was computed using a model in which the mean heat-transfer coefficient between the roll and the slab was determined from an estimate of the rolling load.
      
  roughing mill
Production organization in the roughing mill inspection and conditioning section
      
A knowledge link is built for automatic input and roughing mill process, typical processes of a hot rolling mill.
      
An example of knowledge extraction in roughing mill process is shown in Figure 7.
      
Its output frequency ranges to about 25 Hz, making it ideal for specialized applications, such as in roughing mill stands.
      
In conventional control concepts uncertainty about the degree of spread is compensated by excess strip width in the roughing mill.
      
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  roughing
Performance evaluation of horizontal flow roughing filter as a pretreatment system
      
In this study, two horizontal flow roughing filters (HRF) were investigated with pilot-scale and field-scale plants.
      
Experimental study of scaling properties and roughing mechanisms in C60-Ag thin films
      
Although the rms values are similar, the scaling properties of the thermal roughing and the kinetic roughing surfaces are quite different.
      
The relations between the scaling properties, microstructures and roughing mechanisms are discussed based on the AFM and TEM results.
      
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  rough mill
Active disturbance rejection control for hydraulic width control system for rough mill
      
RIP-X: Decision software to compare crosscut-first and rip-first rough mill systems
      
RIP-X is software which was developed to simulate the rough mill cutup of lumber.
      
RIP-X: Decision software to compare crosscut-first and rip-first rough mill systems
      
RIP-X is software which was developed to simulate the rough mill cutup of lumber.
      
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  其他


Jor the production of narrow strip of less than 600 mm in width, a hot strip mill with a planetary mill as roughing mill and three to four 4-high mills as finishing mill was suggested. The features of the said mill are less in number of mill stands, lower in investment and easily operate. Hot strip mills of 750 and 450mm has been designed which can be used to produce strips of 1.25mm minimum thickness, up to 620 and 320mm in width and up to 6.5and3 tons in coil weight respectively. The planetary mill used is...

Jor the production of narrow strip of less than 600 mm in width, a hot strip mill with a planetary mill as roughing mill and three to four 4-high mills as finishing mill was suggested. The features of the said mill are less in number of mill stands, lower in investment and easily operate. Hot strip mills of 750 and 450mm has been designed which can be used to produce strips of 1.25mm minimum thickness, up to 620 and 320mm in width and up to 6.5and3 tons in coil weight respectively. The planetary mill used is of the clam type which we have developed and used successfully twice in a pilot plant. The important features of clam type planetary mill are: higher in mill rigidity, lower in weight simpler in synchronous mechanism of upper and lower planetary rolls. The feasibility of using this hind of hot strip mill to roll narraw strip has been discussed.

为了大力发展窄带钢的生产,提出了用行星轧机辅助的窄带钢连轧方案。这是一种用行星轧机作粗轧、用3~4架四辊轧机作精轧的新的连轧工艺。其特点是机架少,投资省、易于调整。本文提出了750及450毫米两种连轧机的设计方案,分别用来生产最大宽度为620及320毫米,最小厚度为1.25毫米,卷重3~6.5吨的窄带钢。其年产量分别为33~40万吨及15~18万吨。我们对行星轧机经历了三次从实践到认识的循环过程。我们所发展的新型钳式行星轧机具有刚度大,重量轻,同步准确可靠及能够长期正常运转等优点,把它用在这种连轧机前,可以便连轧机有较高的作业率及较好的工作性能。本文对这种连轧机设计方案的可行性进行了阐述。

Roughing and intermediate rolls for structure and wire mills were made of adamite steel contain-ing 1.3~1.5%C;0.2~0.6%Si;0.7~1.0%Mn;0.8~1.2%Ni;0.8~1.2%Cr;0.4~0.6%Mo and up to 0.035%Pand S.The rare earth addition fined the carbide and improved the toughness. The rolls were cast in chilled mould.The cast rolls were annealed at 1050~1100℃,spheroidizedat 800~820℃,normalized above 900℃ and tempered at 600~650℃. The heat-treated rolls had a tensile strength more than 65kg/mm~2 and hardness Hs41~45. The service life...

Roughing and intermediate rolls for structure and wire mills were made of adamite steel contain-ing 1.3~1.5%C;0.2~0.6%Si;0.7~1.0%Mn;0.8~1.2%Ni;0.8~1.2%Cr;0.4~0.6%Mo and up to 0.035%Pand S.The rare earth addition fined the carbide and improved the toughness. The rolls were cast in chilled mould.The cast rolls were annealed at 1050~1100℃,spheroidizedat 800~820℃,normalized above 900℃ and tempered at 600~650℃. The heat-treated rolls had a tensile strength more than 65kg/mm~2 and hardness Hs41~45. The service life of such adamite rolls was 2~10 times the life of cast rolls of 70Mn2 steel and30000 yuan/year cost of rolls can be saved.

型钢和线材轧机的粗轧和中间机架的轧辊采用含C 1.3~1.5%;Si 0.2~0.6%;Mn 0.7~1.0%;Ni 0.8~1.2%;Cr 0.8~1.2%;Mo 0.4~0.6%和P、S≤0.035%的半钢制造。成分中加入稀土元素细化了碳化物,改善了韧性。轧辊在金属型中铸造,并经1050~1100℃扩散退火,800~820℃球化退火,900℃以上正火和600~650℃回火。热处理后轧辊强度大于65kgf/mm~2,硬度HS41~45。这种半钢轧辊的使用寿命比70Mn2铸钢轧辊提高1~9倍。每年在每一机架上可节约轧辊费用3×10~4(?)。

Bar and rod rolling with flat rolls is a new technique for producing bar and rod products with grooveless rolls. It applies to the roughing and intermediate trains of producing bar and rod products. When using the rolling technology with flat rolls, it must analyze the metal flow, predict the values of bulge and spread, ontrol the phenomenon of separating rectangular.

平辊轧制棒材是一项以无孔槽轧辊生产棒材产品的新技术。它适用于生产棒材的粗轧和中轧机组。运用平辊轧制工艺时,必须分析金属流动,预测凸度值、宽展值,控制脱矩现象。

 
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