The cause of strip width shrink ( SWS) during hot continuous rolling is analyzed. A method to calculate SWS ratio is provided, some approaches for SWS reduction are discussed. 分析了窄带钢热连轧过程宽度拉缩的原因,给出了计算宽度拉缩率的方法,探讨了减少宽度拉缩的技术途径。
Active disturbance rejection control and chaos optimization for strip width and gauge multivariable systems; 应用非线性规划方法进行可控串补非线性自抗扰控制器的参数优化。
Direct Generalized Predictive Control Method Based on RBF for Finishing Strip Width Control 基于RBF网络直接广义预测精轧宽度控制
Chatter is easy to accelerate destroyequipments, influence the product quantity, and cause marks covering the strip width etc, sometimes and even appear to break phenomenon. 轧机振动易加速设备磨损,影响产品质量,导致产品出现振动纹等,有时甚至出现断裂等缺陷。
The shear and rolling residual stress profile along the strip width were calculated, respectively. 利用改进的裂纹柔度法对精密铜合金板带轧向残余应力进行了检测。
According to process parameters given by level 2 model, TCS system changes gap opening of vertical edging rolls to control strip width through feed forward and feedback technology. 通过前馈和反馈技术,TCS按照二级模型给出的工艺参数实时变换立辊开口度来控制带钢的宽度。
The regression equation between strip width and crop yield was conducted. 建立了带距与各作物产量的回归方程。
Cause analysis and calculation method for the strip width shrink during hot continuous rolling 窄带钢热连轧宽度拉缩的分析及计算
Influence of Strip Width on Shape Control Capability of 4-high CVC Hot Strip Mill 板宽对4辊CVC热轧机板形控制能力的影响
For width of carbon steel, problem of strip head and tail width narrowing was solved effectively through optimizing adjustment of model parameter, and strip width accuracy was improved. 本文就碳钢的宽度而言,针对带钢头尾宽度拉窄的现象,通过对模型相关参数的优化调整,有效解决了头尾宽度拉窄的问题,提高了带钢的宽度精度。
The Effect of Beam Angle upon the Hydrographic Survey of Strip Width 波束角效应对航道测宽的影响
A new method for determining the machining strip width of the flat end cutter was presented, which depends on the intersection points between the effective cutting shape and the offset curve of the normal transversal along the path interval direction on the machined surface. 沿行距方向,通过对被加工曲面法截线的偏置曲线与有效切削轮廓求交,得到一种走刀行距的计算方法。
Numerical Simulation Study on Effect of the Strip Width on the Surface Subsidence 条带采宽对地表沉陷影响的数值模拟研究
The change of strip crown is in direct proportion with work roll shifting distances and roll bending force and the square of strip width. 板凸度的变化与工作辊横移距离及弯辊力大小呈线性关系,与板宽呈抛物线关系。
Milling edges machine of spiral submerged arc welded pipe unit is strip edges machining unit equipped to producing large wall thickness steel pipe and used for ensuring strip width and strip edges bevel quality. 螺旋埋弧焊管机组铣边机是针对生产大壁厚钢管而配备的带钢边缘加工设备,用来保证钢板板宽精度和板边坡口质量。
If the wire radius is 1/ 4 of the strip width the equivalence is applicable to both the induced currents and the reactions in both two-dimensional and three-dimensional cases. 证明了当细线半径等于带宽的1/4时,在二维和三维的情况下,不仅感应电流相等,而且反应也相等。
An analytical expression to calculate the conducting strip interdigital capacitance with strip width and spacing being unequal on a dielectric substrate is derived by the method of conformal transformation. Its error is estimated within 1.7% which is reasonable for application. 本文运用保角变换法,简捷地导出了计算介质片上的指线宽度与指线间隔不相等的金属条带交指型电容的解析表示式,误差在1.7%以内,符合实用的要求。
The calculating analysis on the inhomogeneous temperature distribution along the strip width during hot-rolling 板带热连轧过程中横向温度分布不均匀性的计算解析
And last, the structural critical bucking load is related to the CFRP length, the CFRP strip width, the CFRP strip thickness and the CFRP strip location. 改变加固在WF型梁上的CFRP条的长度、跨度、厚度和位置,对结构的临界屈曲荷载也有较大的影响。
In the design of crossed strip foundation under column, the load from column shall be distributed to the strip foundation in two direction. The first step is determining the strip width. 在柱下十字交叉条形基础设计中,要将柱子传来的荷载在两个方向的条形基础上进行分配,但需首先确定条形基础的宽度。
If calculating two direction strip width at same time according to the load at each node, no repetitive pilot calculation is needed. This is a easy and accurate method, suitable for calculation of multi-story frame structure. 采用根据每个节点的荷载同时计算该节点处两方向基础宽度的方法,不需反复试算,简便准确,可用于一般多层框架结构的基础计算。
LVC ( Liner Variable Contour) is a new type of work roll contour. Gap crown can linearly vary with strip width by use of the contour and strip shape performance can be adjusted through shifting. LVC(LinerVariableContour)工作辊辊型是一种新型辊型,这种辊型实现了辊缝凸度随板宽变化成线性变化,并可以通过窜辊来调节板形性能。
Firstly, the queue theory of M/ G/ 1 is used to model single file and RAID's response time, and the optimal strip width is proposed. 首先,利用M/G/1排队理论对单个文件和整个阵列的平均存储响应时间建模,并提出了最优分片宽度理论计算公式;
The relationship among the strip crown, strip width and rolling load is derived from the theory of roll elastic deformation. 另外,还以轧辊的弹性变形理论出发导出了带钢凸度、宽度及轧制压力之间的关系。
Three important functions of hot strip width control system 热轧带钢宽度控制系统的三项重要功能
Easy calculation of strip width for small diameter thin wall straight seam welded tubes 小直径薄壁直缝焊管带钢宽度的简易计算
A new work roll contour is advanced which is a linear variable crown ( LVC) roll. This roll contour can realize linear ratio of gap crown and strip width. 提出一种新型线性变凸度工作辊辊型即LVC辊型,这种辊型实现了辊缝凸度调节与板宽成线性化。
The effects on reducing wind erosion by crop stubbles, which are defined as biological fences with parameters of strip width and stubble height, were studied by wind tunnel and field measurements. The study provided a reliable methodology to determine wind erosion in the drought agricultural area. 通过风洞实验和田间小区试验研究了不同作物、带宽和茬高的间作留茬及生物篱减轻风蚀效果及分布规律,为确定不同形式旱作农田防风蚀措施的技术参数提供了科学依据。
Under same wind speed, the wind erosion modulus decreased as a power function when the strip width was increased. 在一定风速吹蚀下,土壤风蚀模数随带宽的增加而减小,风蚀模数与带宽符合幂函数曲线变化规律。
Because of its limited air height and scanning angle, its strip width is limited ( less than traditional photogrammetry). 由于激光雷达系统的飞行高度有限,扫描角也有一定的范围,这决定了其扫描带宽是有限的(而且小于传统的航空摄影测量方式)。