无焊接管路连接技术的管路都是冷拔的,无需任何加热,因此无论是装置前或装置后,都不需要化学清洁。
Non welded technology, USES no heat and tubing is all cold drawn, therefore there is no requirement for chemical cleaning, either on site or Offsite.
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 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.
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.
从冷轧带肋钢筋的各种性能中分析了它在混凝土构件中所起的重要作用,并与冷拔低碳钢丝做了充分的比较。
From all kinds of property of cold rolled and twisted steel, the essay analyses its important functions in concrete member and makes comparison between it and cold drawn, low carbonated steel.
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.
本文主要介绍化学气相沉积(CVD)技术应用于冷拔模具以及采用该技术的模具在制作过程中的几个问题。
This paper mainly introduces application of chemical vapour deposition (CVD) technology to the cold-drawn dies and relevant methods to make dies by using this technology.
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.
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 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.
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.
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.
由于加工硬化效应的影响,随着冷拔变形量的增加,合金丝材的室温强度增加,扭转塑性下降。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
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.
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.
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.
本文对冷拔机拔制小车的形式进行了探讨,并对各类小车的工作原理和用途作了分析和比较。
The paper discusses the categories of drawn-car of cold-drawn machines, their operating principle and utilization are also analysed and compared.
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.
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.
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.
实验结果证明,理论计算值与实测值较吻合,因而,该公式可在冷拔内直筋管的生产中应用。
Experimental results proves that the theoretical values are close to those measured, so this formula can be used in production of cold-drawn inner fin 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.
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.
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.
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.
分析了冷拔钢材行业现状的五大特点。从六个方面提出了对冷拔行业进行产业调整的对策。
The five characteristics of cold-drawn steel industry status are expounded. The countermeasures of industrial readjustment of cold-drawn industry is put forward from six aspects.
建立了冷拔钢管管坯下料长度的数学模型,用CACPP软件系统研究了管坯长度对钢管生产成本的影响。
The effect of tube bloom length on the production coat of the steel tubesis analyzed by CACPP software system.
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.
利用多元线性回归建立了冷拔外螺纹铜管凸筋高度与坯料壁厚之间的经验关系式。
The experience relationship between fin-height and rough tube wall-thickness for cold-drawn outer-spiral-fin tube is established with many-membered Iinear regression in this paper.
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.
根据江苏省机械设计研究所为该型冷拔机撑杆提供的设计参数,对其强度、刚度和稳定性作了详细分析与计算,并给出理想充压方。
According to Jiangshu Province Machinery design Research Institute provides design parameter for it, analysis strength, stiffness and stabilization, gives a ideal supercharging pressure way.
根据江苏省机械设计研究所为该型冷拔机撑杆提供的设计参数,对其强度、刚度和稳定性作了详细分析与计算,并给出理想充压方。
According to Jiangshu Province Machinery design Research Institute provides design parameter for it, analysis strength, stiffness and stabilization, gives a ideal supercharging pressure way.
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