The microstructure evolution and properties transform of 70 steel wires in cold drawing were studied.
研究了冷拉70钢的组织演变和性能变化。
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单链冷拔管机的主链条链板进行了可靠性设计分析。
The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.
本文简述了无缝钢管冷拔前头部加热炉的改造。
Effects of cold drawing and water quench process on mechanical properties of prestressed wires have been studied in laboratory.
在实验室条件下研究了冷拔与水淬火工艺对予应力钢丝力学性能的影响。
Effects of cold drawing and water quench process on mechanical properties of prestressed wires have been studied in laboratory.
研究表明碳素钢予应力钢丝采用水淬火取代铅浴进行索氏体化处理是可行的。
The microstructure and defects related with hot-rolling and cold drawing of high carbon steel rod were introduced in this paper.
介绍了高碳钢盘条的显微组织及其常见的与热轧工艺、冷拉拔工艺等生产过程相关的组织缺陷。
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的材料可以通过冷拔来控制大小尺寸和表面质量，或两者。可稍微提高抗拉强度。
P There shall be no welds in wires and bars. Individual wires of strands may contain staggered welds made only before cold drawing.
在线材与棒材内部不能有焊接。钢绞线内的单条钢绞线可能有交错焊缝，但必须是在冷拉之前。
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，冷变形后不同温度下扩散处理的复合界面状况存在差异。
During cold drawing, the alloy exhibited excellent workability. Deformation twins appeared when the reduction of cold deformation was around 20%.
当冷变形率在20%左右时，出现变形孪晶，使得合金强度有大幅度提高。
During preparing silve sheathed tape, rolling after cold drawing without annealing, adopting large draught perpass were both benefit improving Jc.
在带材制备过程中，冷拉以后不退火直接轧制，采用大的道次压下量，均有利于提高临界电流。
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。可为用户加工生产材质型号热轧圆钢及冷拉圆钢。并可长期现货供应。
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.
本文介绍了一种结构独特，可显示拔制负荷的新型超长三线冷拔机。
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.
说明了该冷拉调直机的基本工作原理，推导了确定关键尺寸参数的基本公式。
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.
对拉丝工艺中的反张力与界面摩擦系数及产品性能间的关系作了理论和实践方面的详细论述。
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盘条冷加工断裂的主要原因，重点阐述高碳钢连铸小方坯中心碳偏析和夹杂物的控制措施。
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、断口扫描电镜及电子探针分析等手段，对4 5钢棒材冷拔断裂的原因进行了分析研究。
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量的冷加工，对钢管再加工时允许有限的冷变形(例如：弯曲，扩口)。
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：对不同拉拔变形程度及不同温度退火后的钽丝织构，借助极图与现代ODF分析术进行了研究。
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较冷拔法具有更好的表面质量、尺寸精度和高的收得率。
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.
研究了冷拉变形对稀土铝导线和纯铝导线导电率的影响，发现冷加工变形对稀土铝导线的导电率影响甚微，测得的稀土铝导线的导电率比纯铝导线的导电率高（IACS）0．69％。
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.
研究了冷拉伸对聚酯纤维聚集态结构、聚酯纤维回弹性能的影响，并讨论了PTT纤维的弹性回复机理。
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.
介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。
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.
介绍了研制的回转式钢管冷轧头机工作原理、主要技术参数及优点。
A cold hand squeezed his heart. He got down on his knees and began drawing Numbers in the sand.
一只冰冷的手攫住了他的心，他跪下来开始在沙子上写数字。
The influences of liquated zincing and cold-drawing on the mechanical properties of high strength dual phase steel wires have been investigated.
本文研究了热镀锌及镀后冷拔对高强度双相钢钢丝力学性能的影响。
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，理论计算值与实测值较吻合，可为冷拔内螺旋凸筋管的拔制设备选型提供理论依据。
The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.
利用上界法推导了冷拔内螺旋凸筋管拔制力计算式。
The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.
利用上界法推导了冷拔内螺旋凸筋管拔制力计算式。
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