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力臂
相关语句
  arm of force
    This thesis regresses the model of tensile stress, the model of power consumpution and the model of arm of force coffience for 4 kinds of steel. It also select the right rolling force model and the forward slip model for different kinds of steel,creating appropriate tension and reducing system.
    该论文研究中拟合了研究钢种(四个钢种)的变形抗力模型,力臂系数模型,能耗模型,选择了合适各个钢种的轧制压力模型、前滑模型等,确立了合适的张力制度和压下制度,建立了设定计算数学模型组。
短句来源
    The predicated result of rolling torque is also closer to the practical values, because of firstly considering the effect of geometrical shape parameters of deformation zone on arm of force coefficient.
    对轧制力矩的计算首次考虑了变形区几何形状对力臂系数的影响 ,从而使预报结果更为接近实际。
短句来源
  相似匹配句对
    The predicated result of rolling torque is also closer to the practical values, because of firstly considering the effect of geometrical shape parameters of deformation zone on arm of force coefficient.
    对轧制力矩的计算首次考虑了变形区几何形状对力臂系数的影响 ,从而使预报结果更为接近实际。
短句来源
    This paper analyses the cause of producing impression on the end of round steel sheared by arc knife-edge shears and puts forward the method to produce anti-bending moment by increasing the length of force arm based on lever principle for enhancing the end quality of sheared round steel
    分析了弧剪刃剪切圆钢时轧件剪切端头产生压痕的原因,提出了运用杠杆原理,增加力臂长度,产生反弯曲力矩,以及提高剪切圆钢的端头质量的方法。
短句来源
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This paper discusses the rolling load and torque in edging stocks of Hbeam under continuous rolling condition and the effect of the tension on these two forces. The rules of variation of the stress function and the coefficient of the tension arm are determined. The process of edging stocks of Hbeam is analyzed by using Rigid Plastic FEM. the load and torque in edging stocks of H-deam are calculated theoretically. The results of the calculation are in agreement with the experimental results. This achievement...

This paper discusses the rolling load and torque in edging stocks of Hbeam under continuous rolling condition and the effect of the tension on these two forces. The rules of variation of the stress function and the coefficient of the tension arm are determined. The process of edging stocks of Hbeam is analyzed by using Rigid Plastic FEM. the load and torque in edging stocks of H-deam are calculated theoretically. The results of the calculation are in agreement with the experimental results. This achievement can be extended to the engineering calculation in H-beam production.

本文通过实验研究了在连轧条件下轧制H型件边端的轧制力和力矩及张力对它们的影响,确定丁轧边端时的应力函数和力臂系数的变化规律。用刚塑性有限元法对轧H型件边端的力能参数进行了理论计算,计算结果与实验结果符合较好。本文的研究结果可推广于H型钢生产的工程计算。

This paper analyses the cause of producing impression on the end of round steel sheared by arc knife-edge shears and puts forward the method to produce anti-bending moment by increasing the length of force arm based on lever principle for enhancing the end quality of sheared round steel

分析了弧剪刃剪切圆钢时轧件剪切端头产生压痕的原因,提出了运用杠杆原理,增加力臂长度,产生反弯曲力矩,以及提高剪切圆钢的端头质量的方法。

Presently, the calculation of rolling force and energy on rolling mill has large enough error no matter what theoretical model, empirical or semiempirical model is used Based on different conventional and modern models, a software has been developed for calculation of rolling force and energy on wire rod rolling mill The prediction precision is enhanced greatly For calculation of rolling force, a modified function, which considers the austenite recrystallization is adopted The calculated rolling torque...

Presently, the calculation of rolling force and energy on rolling mill has large enough error no matter what theoretical model, empirical or semiempirical model is used Based on different conventional and modern models, a software has been developed for calculation of rolling force and energy on wire rod rolling mill The prediction precision is enhanced greatly For calculation of rolling force, a modified function, which considers the austenite recrystallization is adopted The calculated rolling torque is also near to measured values, because the effect of geometrical parameters of deformation zone on actuating arm coefficient is considered Through a large number of tests at Tangshan Iron and Steel (Group) Co and Dayawan Steel, it is proved that the maximum deviation of calculated rolling load from measured is about 10 %, for motor load the deviation is about 15 % The development, features and effects of the software are introduced in the paper

对孔型中轧制的力能计算 ,目前无论是理论模型还是经验、半经验模型 ,计算结果均偏差较大。笔者在研究传统与现代的各种计算模型与方法的基础上 ,开发出热轧棒、线材时的力能计算软件。该软件对轧制压力的计算首次提出并采用了考虑奥氏体再结晶变化的修正函数 ,使预报精度大大提高 ;对轧制力矩的计算首次考虑了变形区几何参数对力臂系数的影响 ,从而使力矩的计算更为贴近实际。经唐钢棒材厂、大亚湾棒材厂的大量测试与试用 ,轧机负荷的最大偏差为 10 %左右 ,电机负荷的最大偏差为 15 %左右 ,从而达到了较高的精度水平。概要介绍了该软件的开发、应用与效果。

 
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