它是制作标准或特殊材料的冷拔或冷轧的部分。
It is fabricated from drawn or rolled sections in standard or special materials.
本文简述了无缝钢管冷拔前头部加热炉的改造。
The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.
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.
本文简要介绍了运用此工艺冷拔碳钢管试生产情况。
The test drawing of carbo steel pipes using the process is described briefly.
采用工程法推导了冷拔内直筋管拔制力的计算公式。
The formula of drawing force for cold-drawn inner fin tube is derived with slab method in this paper.
通过试验及长期的生产实践，证明了该冷拔管机技术可靠。
Relevant experiments and long - term operation practice of the mill have shown the technologically reliability of the mill.
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。
This paper discusses how to select the parameters while applying the vibrating age pressing in the production of precision cold-drawing tubes.
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 influences of liquated zincing and cold-drawing on the mechanical properties of high strength dual phase steel wires have been investigated.
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。
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.
主要产品分为：1、各种规格冷拔无缝钢管，用于机械、化工等行业。
The main products are: 1, various specifications Cold-drawn seamless steel tubes for mechanical, chemical and other industries.
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。
An analysis is made with the reliability design of the main link-plate of LB-20 mono-chain pipe cold drawing mill.
实践证明，第三代磷化剂是目前使用性能最好的一种冷拔钢管磷化剂。
It is proved that the third one is the best for cold-drawn steel tubes at present.
针对45钢冷拔厚壁管存在内表面横裂纹问题，分析了其产生的原因。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
北满特钢加热炉由烧煤气改烧油后，冷拔材表面产生严重增碳的现象。
When the fuel for the heating furnace of Beiman Special steel Corporation was changed from gas to oil, severe carbonization happened on the surface of cold-drawn steel.
本实用新型提供了一种在冷拔机上与冷拔机小车配套使用的双头牙板。
The utility model provides a double-head tooth-plate which is matched with a drawbench dolly on the drawbench.
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.
提出用高温近火方法来改善矩形截面冷拔型钢表面残余应力的工艺探索。
The technical investigation of relieving residual stress on the surface of rectangular cold drawn section by means of high temperature heat treatment was provided.
经过冷轧和冷拔，柱状晶组织细化为纤维晶组织，并产生显著的加工硬化。
After cold rolled and drawn, the columnar crystals fined to fibrous crystals, which resulted in remarkable work hardening.
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。
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.
铝及铝合金。冷拔棒材条材和管材。第8部分：多孔拉拔管尺寸和形状公差。
Aluminium and aluminium alloys. cold drawn rod bar and tube. part 8 : porthole tubes, tolerances on dimensions and form.
对20G高压锅炉管产生裂纹的原因进行了分析，结果表明是冷拔工艺不当所致。
The paper investigated the causes of 20g High Force Boiler Pipe. The reason accounted for crack was incorrect draw technology.
冷拔无缝钢管内表面的氧化皮始终以块状或粉末状存在，难以满足用户的使用要求。
As a chronic problem with cold-drawn seamless steel pipes, inner surface scale in the form of lump or powder makes such pipes unsatisfactory to relevant customer requirement.
是指在常温下，经过冷拉、冷弯、冷拔等冷加工把钢板或钢带加工成各种型式的钢材。
Refers to the room temperature after cold, cold, cold, cold processing the steel plate or strip processing into various types of steel.
专业从事生产各种牌号的冷拔不锈钢无缝钢管，全线采用具有国内先进水平的工艺加工。
Professional engaged in the production of various grades of cold-drawn stainless steel seamless steel tubes, all used with the domestic advanced level of processing.
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。
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.
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 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.
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。
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。
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.
应用推荐