矫直

The results show that the bending deformation and curvature evolvement are different from those obtained by general leveler.

研究结果表明，板材在十五辊组合矫直机矫直过程中弯曲变形和曲率演化有别于普通矫直机，可以得到更高的薄板矫直精度。

In this article, an effective, no scratch straightening cutting machine for hot rolled ribbed bars is presented.

介绍了一种用于矫直热轧带肋钢筋的高效、无划伤的矫直方法，并论述了该矫直机的矫直原理及力学参数计算方

With the advancement of technology, people's growing demand for the bar, its accuracy is also getting higher and higher, before people parallel roller leveler straightening tubes, rods and other circular cross-section of the build, round-wood in hand Direct the process of rotation is easy to produce, and only straightening roundwood roll axis perpendicular to the longitudinal section on the bend.

随着科技的进步，人们对棒材的需求量越来越大、对其精度要求也越来越高，以前人们采用平行辊矫直机矫直管、棒等圆形断面条材，圆材在矫直过程中容易产生自转现象，并且只能矫直圆材垂直于辊轴的纵向剖面上的弯曲。

It isverified that the method for using little deformation condition was true with accurate solution of three-piece straightening curve.

文摘：基于三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

It isverified that the method for using little deformation condition was true with accurate solution of threepiece straightening curve.

文摘：三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

Moreover, the theory overall looked that, still wasat the rough stage, first was its basic parameter determination alsomust depend upon many experiences algorithms and the empirical data, roller distance, roller diameter, Next is many technical phenomenalike spiral curved waste product, the noise, theslanting roller characteristic, the slanting roller rollershape characteristic, the distortion match characteristic andso on all lacks the theory elaboration; Is once more the theoryconcise quality is insufficient, set of formulas not only cannotinclude each kind of cross section molding, even cannot include thesimilar cross section but the size and the material quality differentwork piece, like the curved distance and so on all lacks the generalexpression with the curvature.

另外，就矫直理论的总体来看，仍然处于粗糙阶段，首先就是其基本参数的确定还要依靠许多经验算法和经验数据，如辊数、辊距、辊径、压弯量及矫直速度等；其次是许多技术现象如螺旋弯废品、矫直缩尺、矫直噪声、斜辊矫直特性、斜辊辊形特性、拉弯变形匹配特性等都缺乏理论阐述；再次是理论的概括性不够，一套公式不仅不能包括各种断面型材，甚至不能包括同类断面而尺寸和材质不同的工件，如弯距和矫直曲率等都缺少通用表达式。

Moreover, the theory overall looked that, still wasat the rough stage, first was its basic parameter determination alsomust depend upon many experiences algorithms and the empirical data, roller distance, roller diameter, Next is many technical phenomenalike spiral curved waste product, the noise, theslanting roller characteristic, the slanting roller rollershape characteristic, the distortion match characteristic andso on all lacks the theory elaboration; Is once more the theoryconcise quality is insufficient, set of formulas not only cannotinclude each kind of cross section molding, even cannot include thesimilar cross section but the size and the material quality differentwork piece, like the curved distance and so on all lacks the generalexpression_r with the curvature.

另外，就矫直理论的总体来看，仍然处于粗糙阶段，首先就是其基本参数的确定还要依靠许多经验算法和经验数据，如辊数、辊距、辊径、压弯量及矫直速度等；其次是许多技术现象如螺旋弯废品、矫直缩尺、矫直噪声、斜辊矫直特性、斜辊辊形特性、拉弯变形匹配特性等都缺乏理论阐述；再次是理论的概括性不够，一套公式不仅不能包括各种断面型材，甚至不能包括同类断面而尺寸和材质不同的工件，如弯距和矫直曲率等都缺少通用表达式。

By analyzing the characteristic of the straitening process of the concentrative drive straightener, the coupling between the shafts is studies and the traditional method of calculating the transmission torque is improved.

通过分析集中驱动式矫直机矫直过程的特点，研究矫直机工作辊扭矩之间的耦合关系，改进了集中驱动的辊式矫直机传动扭矩的计算方法。

Tension-bending leveler unit is comprehensive and continuous tension leveler roller leveler features, making metal strip stretching in a row, for the turn of the joint role, to have a plastic strip and the extension of access to straightening, the elimination The sheet metal shape defects, such as: the waves, in waves, the channel, such as warping.

拉伸弯曲矫直机组就是综合连续张力矫直机和辊式矫直机的特点，使得金属带材在连续拉伸、连续交替的联合作用下，使带材产生塑性延伸而获得矫直，消除金属板材的板形缺陷，例如：边浪、中浪、槽形、翘曲等。

It is explain clearly that the inside and outsider correcting straight technology's history and actuality, design calculates in the paper. Also including the roller quotients, roller distance and roller count choosing of the different model material correcting straight of train apply the break.

文中对国内外矫直技术的历史及现状、矫直机的设计计算等进行了详细阐述，论证了矫直火车制动梁用异型材所用矫直机的辊系、辊距以及辊数选取原则，并且给予了充分的计算数据用以支持所选方案的合理性。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。