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 helical vane is analyzed. The helical vanes are welded together and added the external force to be cold-drawing formation.
对螺旋叶片进行了分析，把螺旋叶片焊接组合起来，旋加外力，冷拉成型。
According to relevant product requirements, mold choice and mold tolerance configuration during the cold-drawing are mainly solved.
试验中根据产品要求，重点解决了冷加工模具选用、公差配置等技术问题。
This paper discusses how to select the parameters while applying the vibrating age pressing in the production of precision cold-drawing tubes.
介绍振动时效工艺在精密冷拔钢管生产过程中应用时参数的选择。
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。
Adopting cold-drawing hight coils or bars of stocks and heating automatically it fits for light producing six angle bolts, rivets and other articles with heads.
采用冷镦拨光盘或棒料，自动进行镦锻，适用于制造光六角螺栓，锍钉及其它带头部的零件。
There exist problems of cold-working hardening and hydrogen-brittle in the cold-drawing process for seamless steel tube, responsible for the cracking in the steel tube.
在无缝钢管的冷拔过程中，存在着冷作硬化和氢脆现象，它们是造成钢管开裂的主要原因。
The cold steel machine for wire drawing-up of the bale, with the cold wire drawing machines, cold rolled ribbed machine, spiral machine supporting the use of cold-drawing.
本机适用于钢筋冷拔丝的收线打捆，可与冷拔丝机，冷轧带肋机，冷拔螺旋机配套使用。
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。
Based on analysis of the process of pipe cold-drawing plug's wear-caused failure with the Dointview of friction science, measures for surface strengthening of the said plug were made.
用摩擦学的观点分析了冷拔顶头磨损失效过程，提出了冷拔顶头表面强化措施。
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。
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。
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。
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。
The technological procedure of cold drawing was introduced.
对冷拉伸实施步骤进行了介绍。
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％。
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。
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。
I gasped, pressing my cheek against the cold marble, drawing what little calmness I could from the ancient stone.
我喘气，压迫对抗感冒大理石的我颊，画什么小的平静我可以从远古的石头。
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。
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。
Objective To evaluate the function of the vas endothelium cell by the peripheral artery blood stream drawing before and after the cold pressor test.
目的探讨通过冷激发(冷加压)试验前后描记末梢动脉血流图这一无创性检测来评估血管内皮细胞的功能。
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。
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。
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。
Straight wire drawing machine is cold drawing production equipment for metal wire . It is in huge structure and sophisticated control.
直线式拉丝机是金属丝冷拔的生产设备，结构庞大，控制要求复杂。
A powerful drawing-thickening technology was prompted for double-cup-shaped workpieces, it combined the characteristics of cold extrusion with drawing process.
结合冷挤压与拉深工艺的特点，以双杯形工件为对象，开展了冲锻成形过程的强力拉深增厚工艺研究。
A powerful drawing-thickening technology was prompted for double-cup-shaped workpieces, it combined the characteristics of cold extrusion with drawing process.
结合冷挤压与拉深工艺的特点，以双杯形工件为对象，开展了冲锻成形过程的强力拉深增厚工艺研究。
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