• The microstructure evolution and properties transform of 70 steel wires in cold drawing were studied.

    研究了70组织演变性能变化

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  • An analysis is made with the reliability design of the main link-plate of LB-20 mono-chain pipe cold drawing mill.

    对LB - 20单链管机链条链板进行了可靠性设计分析

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  • The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.

    本文简述无缝钢管头部加热炉改造

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  • Effects of cold drawing and water quench process on mechanical properties of prestressed wires have been studied in laboratory.

    实验室条件下研究了淬火工艺应力钢丝力学性能影响

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  • Effects of cold drawing and water quench process on mechanical properties of prestressed wires have been studied in laboratory.

    研究表明碳素钢应力钢丝采用淬火取代铅浴进行索氏体化处理是可行

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  • The microstructure and defects related with hot-rolling and cold drawing of high carbon steel rod were introduced in this paper.

    介绍了高碳钢盘条显微组织及其常见的热轧工艺、拉拔工艺等生产过程相关的组织缺陷

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  • Material in Condition a may be given a final cold drawing for size control or finish, or both, slightly raising tensile strength.

    条件A材料可以通过控制大小尺寸表面质量两者可稍微提高抗拉强度

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  • P There shall be no welds in wires and bars. Individual wires of strands may contain staggered welds made only before cold drawing.

    线材棒材内部不能焊接钢绞线单条钢绞线可能交错焊缝但必须之前

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  • Diffusion bonding results indicate that the interface situation is different merely by a cold drawing and then a diffusing process.

    研究结果表明变形不同温度下扩散处理的复合界面状况存在差异。

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  • During cold drawing, the alloy exhibited excellent workability. Deformation twins appeared when the reduction of cold deformation was around 20%.

    变形率在20%左右出现变形孪晶使得合金强度有大幅度提高。

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  • During preparing silve sheathed tape, rolling after cold drawing without annealing, adopting large draught perpass were both benefit improving Jc.

    带材制备过程中,以后退火直接轧制采用的道次压下量,有利于提高临界电流。

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  • Alloy steel, die steel, tool steel. Processing materials for the user model and the cold drawing hot rolled round steel bar. Can be long-term stock.

    合金钢模具钢工具钢。可用户加工生产材质型号热轧圆钢圆钢。并长期现货供应。

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  • A new over-long pipe cold drawing mill with three pipes drawn simultaneously, which has an unique structure and a display device for drawing load, is described.

    本文介绍了一结构独特,可显示负荷新型超长线拔机。

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  • This paper states the basic principle of operation of cold drawing and straightening machine. It derives basic formula to determine the major size and parameters.

    说明了该基本工作原理推导确定关键尺寸参数的基本公式

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  • In this article, relations among reverse tension, friction coefficient and quality of wire are discussed in theory and practice of cold drawing process in detail.

    拉丝工艺中的张力与界面摩擦系数产品性能关系理论实践方面的详细论述。

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  • The main causes for bringing about cold drawing fracture of 82b wire rod are investigated. The control measures of center carbon segregation and inclusions of high car...

    研究造成82B盘条冷加工断裂主要原因,重点阐述高碳钢连铸小方坯中心偏析夹杂控制措施

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  • The fracture reason of 45 steel bar during cold drawing was analyzed by chemical inspection, metallographic examination, scanning electron fractograph and electron probe analysis.

    采用化学成分分析金相分析、断口扫描电镜电子探针分析等手段,对4 5棒材断裂原因进行了分析研究。

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  • LC the final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming e. g. bending, expanding.

    冷加工(软)最后热处理之后进行小变形冷加工,对钢管加工允许有限变形(例如弯曲,扩口)。

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  • The cold drawing textures of the tantalum wires for different reductions in area and their recrystallization textures at different temperatures were investigated by pole figures and ODF.

    摘要:不同变形程度及不同温度退火后钽丝织构,借助现代ODF分析术进行了研究。

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  • Compared to cold drawing process, the cold rolling for high precision bars has certain distinct advantages: better surface finish obtained. superior dimension control and higher metal yield.

    前言:冷轧法生产的高精度钢材具有更好表面质量、尺寸精度得率。

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  • The results showed that the effect of cold drawing on the conductivity of aluminium wire with RE is slight, and the conductivity increases (IACS)0.69% than that of aluminium wire without RE.

    研究变形稀土导线纯铝导线导电影响发现冷加工变形对稀土铝导线的导电率影响甚微,测得稀土铝导线的导电率纯铝导线的导电率高(IACS)0.69%。

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  • The effect of cold drawing on aggregation structure of PET fiber and the rebounding performance of PET fibers were studied, and the elasticity recovering mechanism of PTT fiber was discussed.

    研究拉伸聚酯纤维聚集态结构、聚酯纤维回弹性能影响讨论了PTT纤维弹性回复机理

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  • The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.

    介绍北京钢铁研究总院采用计算机仿真技术计算机辅助设计技术,开发出具有优化功能钢管过程CAD系统通用软件

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  • Presented in the paper is an introduction of the rotary pointing machine for steel pipe cold drawing covering such aspects as working principle, major technical data as well as performance advantages.

    介绍了研制回转钢管冷轧工作原理主要技术参数及优点。

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  • A cold hand squeezed his heart. He got down on his knees and began drawing Numbers in the sand.

    一只冰冷攫住了下来开始沙子上数字

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  • The influences of liquated zincing and cold-drawing on the mechanical properties of high strength dual phase steel wires have been investigated.

    本文研究热镀锌及镀后冷拔强度钢丝力学性能影响

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  • The experiment result shows that the theoretical values are close to those measured, which provides a theoretical basis for internal-ribbed pipe cold-drawing equipment type selecting.

    实验表明理论计算实测值较吻合,内螺旋凸筋的拔制设备选型提供理论依据

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  • The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.

    利用上界推导了冷螺旋凸筋拔制计算

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  • The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.

    利用上界推导了冷螺旋凸筋拔制计算

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