芯棒

冷拔内螺旋凸筋管的芯棒设计

Design of internal plug for internal spiral - ribbed tube cold drawing

以上三种控制方案，不仅能有效地控制半浮芯棒的速度，还能适用于其它场合动力性负载的速度控制。

The three schemes for feed control not only effectively control the feed speed of the semi-floating plug but also suit the speed control of dynamic control in various cases .

用AutoCAD软件对弯管芯棒进行快速图解设计

The Fast Drawing of Mandril in Bending Tube by Using AutoCAD

LD型冷轧管机轧制过程中的芯棒轴向力

Axial plug force in LD cold tube mill on rolling

LD钢芯棒使用寿命研究

Investigation on service life of LD steel mandrel

分析了由位置控制器、直流传动装置和PLC组成的半浮芯棒连轧机组限动链控制系统的硬件配置及软件组成。

Hardware and software configuration of drive system with position controller , DC drive unit and PLC for a retainer of semi-floating mandrel mill are analysed .

介绍了利用AutoCAD软件对管材弯曲工艺中弯管芯棒进行快速图解设计的方法。

This paper brings forward a means of fast drawing of the mandril 's structure in bending tube by using AutoCAD .

PCVD大芯棒与其光纤生产工艺

The Process for Fiber Manufacture with PCVD Big Core Rod

MPM芯棒限动控制系统轮胎内衬层生产线连动控制系统的实现

Research and design of connecting move control system for tyre underlayer product line

国产30m长芯棒坯的研制

Development of 30m-long mandrel blank in China

其中，芯棒由M段导磁材料与M1段非导磁材料间隔分布构成。

The core bar is composed of M sections of magnetic cores and M 1 non magnetic portions arranged alternately .

MPM芯棒限动控制系统

Multi-stand pipe mill mandrel-retaining control system

500kV棒形悬式复合绝缘子芯棒脆断的预防措施

Precaution for Composite Rod Insulator of 500 kV Against Rod Brittle Fracture

采用MATLAB软件编程模拟了口模中塑料熔体的流动状态，展示了塑料熔体在口模中的速度分布，分析了芯棒偏中对口模中塑料熔体速度分布的影响。

Flowing state of plastics melt in die is simulated by programming based on MATLAB software . Velocity distribution of plastics melt in die is displayed . Influences of core eccentricity on velocity distribution are analyzed .

Assel三辊轧管机组芯棒限动速度及循环工艺的探讨

Discussion on mandrel retained speed and circulation process of Assel 3-roll pipe mill

安全脱模系统是为了解决NEPE推进剂装药发动机主芯棒脱模而研制的专用设备系统。

The safety demolding system is designed for main core demoulding from the NEPE high-energy rocket motor in safety .

Marc对方形异型钢管的无芯棒辊挤成型过程进行了有限元分析，得到了成型过程中应力与变形的分布与变化以及成型后异型管的结构形状。

Marc , resulting in the identification of distributions of the stress and deformation during the formation process and the structural profile of the shaped tube after formation .

安全脱模系统已成功应用于多台HTPB配方固体推进剂装药发动机及两台NEPE高能装药发动机的主芯棒脱模。

The system has been applied in the main core demoulding process for the solid rocket motors with HTPB propellant or NEPE high-energ propellant .

比较了CPE机组与新型狄塞尔轧管机组及少机架限动芯棒连轧管机组的工艺和技术特征。

In addition , comparision of the CPE mill plant with the Diescher mill plant and the new type retained-mandrel mill plant with fewer stands is made in terms of process and technical features .

SJ-3芯棒润滑剂的研制及其综合性能考察

Development of SJ-3 Mandrel Lubricant and Investigation of Its Properties

开轧温度对Φ250mm芯棒钢热连轧力能参数影响有限元分析

Influence of Initial Billet Temperature on Continuous Rolling Force Parameters of Φ 250 mm Mandrel Steel by Finite Element Analysis

简述天津钢管公司φ250限动芯棒连轧机组生产20G高压锅炉管的工艺和质量状况。

This paper introduces the situation of technology and quality of the 20G high pressure boiler tube produced by φ 250 retained mandrel continuous rolling mills in Tianjin Pipe Corporation .

AF-0Ⅱ型热轧钢管芯棒润滑剂研制成功

Successful development of af-0 ⅱ type lubricant for mandrel for pipe hot-rolling

通过对鞍钢Φ159MPM连轧管机组变形工艺的分析，提出开发160MPM附加孔型系统，解决芯棒再利用问题的方案。

On the basis of analyzing deforming technique of Φ 159MPM continuous rolling pipe mills in Angang , a plan for developing the additional pass system for160MPM and reusing mandrel is put forward .

介绍了美国USS／Kobe钢公司φ114mm全浮动芯棒连轧管机组的工艺特点，设备及技术参数。

The article deals with an on-the-spot investigation of the φ 114mm full-floating mandrel mill employed by the USS / Kobe Steel Corp. , U , S. A , covering such aspects as technological features .

天津钢管公司φ250限动芯棒连轧机组浅述介绍了天津钢管公司轧管厂Φ250mm限动芯棒连轧管机组热轧20G高压锅炉管的在线常化工艺。

The co-authors introduce the on-line normalizing process for Grade 20G high-pressure boiler pipes hot - rolled with the φ 250mm retained mandrel mill line at Tube-rolling Plant , Tianjin Steel Tube Corp.

从1978年第一个限动芯棒连轧管厂在Bergamo投产算起，限动芯棒连轧管工艺已经历了17年的发展过程。

Since the commissioning of the first MPM tube plant in Bergamo , the tube rolling technology has experienced a continuous development for 17 years .

通过对楔横轧的几组工艺参数进行分析，利用DEFORM-3D软件对整个过程建模，对带芯棒轧制的过程进行模拟，并得到了理想的模拟结果。

Analyse several groups of cross wedge rolling process parameters . Then I built a three-dimensional rigid-plastic finite element model by using software DEFORM-3D . By the simulation of rolling process with mandrel , I get the ideal simulation results .

介绍在无缝钢管生产中芯棒温度测控系统的组成及MODCELL多回路控制器的基本应用。

The composition of the temperature monitoring system for the core rod in seamless steel tube production and the basic application of MODCELL Multiple-Loop Controller are introduced .

介绍了用二辊或三辊轧机试轧φ57～76mm小直径热轧荒管的工艺参数、轧辊和芯棒的力能参数、荒管的表面质量及几何尺寸精度等。

The article gives a description to the process parameters , roll and mandrel performance parameters , surface quality and dimensional accuracy of 57mm ~ 76mm small-diameter pipes hot-rolled on two-roll tube mill or on three-roll tube mill .