冷拔

日本住友金属公司和NKK开发的油润滑冷拔法

Oil lubrication cold-drawing process developed by Sumitomo Metal Industries Ltd. and nkk , Japan

结果表明，冷拔态的铋黄铜，由于β相沿着冷加工方向分布，同时位错密度和残余应力的增加，导致了其耐脱Zn腐蚀性能比热轧态的黄铜和铸造态的黄铜差。

The results show that dezincification corrosion resistance of cold-drawing Bi-brass is worse than that of hot-rolled Bi-brass and as-cast Bi-brass as a results of β phase distributed along cold-working direction and the increase of dislocation density and residual stress .

基于计算机仿真优化的钢管冷拔过程CAD系统

CAD system for tube drawing based on FEM simulations of drawing processes

CAPP技术在冷拔钢管工艺设计中的应用

Application of CAPP Technology for process design for cold-drawn steel tubes

冷拔无缝钢管CAPP系统的开发

Development of CAPP system for cold - drawing of seamless steel tube

冷拔无铅含Bi易切削黄铜的研究

Study of Cold Drawn Unleaded Bismuth Containing Free-cutting Brass

退火态与冷拔态0.45%C钢表层的循环硬化与软化的X射线研究

A Study on Cyclic Hardening and Softening in the Surface Layer of Annealed and Cold Strained 0.45 % C Steel with X-Ray Technique

LB－50双链冷拔管机的改造利用

Revamping and application of LB-50 double chain cold-drawn tube mill

MLC1-1000Z型磁粉式离合器在钢管冷拔机上的应用

The operation of MLC_1-1000Z magnetic powder clutch in cold tube drawing machine

20G冷拔高压锅炉钢管中魏氏组织的生成及消除

Development and Elimination of Widmannstatten Structure of Cold-drawn 20G High Pressure Boiler Steel Tube

热轧Si-Mn双相钢冷拔后回复动力学特征

Feature of Recovery Kinetics in Cold-Drawn As-Hot-Rolled Si-Mn Dual-Phase Steels

Fe-Cr-Al合金冷轧及冷拔工艺性研究

Study on the Technology of Cold Rolling and Cold Drawing Fe-Cr-Al Alloy

以拔制力400t预应力框架式液压冷拔机机架为例，利用CAD/CAE集成的方法，完成了冷拔机机架的CAD建模及有限元分析。

The method of CAD / CAE was employed to accomplish CAD modeling and finite element analysis of400T prestressed frame-type hydraulic drawbench stand .

400t预应力框架式液压冷拔机机架有限元分析

Finite Element Analysis of 400t Prestressed Frame-type Hydraulic Drawbench Stand

小减面率冷拔对Fe-Ni基恒弹性合金f-t曲线的影响

Influence of Small Reduction of Area on Frequency-Temperature Relationship of Constant-Elasticity Fe-Ni Base Alloy in Cold Drawing

控制热穿孔后荒管的冷却速度可获得F＋B的双相组织，并减少冷拔过程中50%的退火次数。

By controlling the cooling speed of pierced billet after hot piercing , the DP-structure F + B could be obtained . The times of annealing the process of cold , drawing could be decreased by 50 % .

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 .

合肥钢铁公司150t高精度冷拔机投入使用

150t high - precision cold drawing mill put into use in Hefei Iron & Steel Company

魏氏组织是20G冷拔高压锅炉钢管所不允许的异常组织。

As an abnormal structure , the Widmannstatten structure is impermissible for the cold-drawn 20 G high pressure boiler steel tube .

72A帘线钢线材冷拔笔尖状断裂分析和改进工艺措施

Analysis on Pencil-Tip Shaped Fracture of Cord Steel 72A during Cold Drawing and Improvement of Process

LB-20单链冷拔管机主链板可靠性设计

Reliability design of main link-plate of LB-20 mono-chain pipe cold drawing mill

0.15C双相钢丝强度曲线测定及其冷拔硬化率

Strength Determination and Drawing Hardening Rate 0.15C Dual Phase Steel Wire

利用内氧化法制备了Al2O3/Cu复合材料，研究了该材料在不同冷拔变形量和Al2O3含量下，其硬度值随退火温度变化的规律，并进行了显微组织结构分析。

Al_2O_3 dispersion strengthened copper composite was produced by internal oxidation . The hardness depends on temperature for two different content alloys after different cold work deformations was investigated . The microstructures of the samples were also analyzed by TEM .

本文测定了0.15C双相钢丝的拉伸强度-冷拔减面率关系曲线。

The Curves of Strength-draught have been determined for a 0.15C dual phase steel wire .

采用SCR技术和在线固溶处理方法制备了直径为4.8mm的6201铝合金导电线材，研究了该线材及其冷拔的直径3.0mm线材的微观组织、力学性能和导电性能。

6201 aluminum alloy wires were prepared by SCR process and on-line solution , and the microstructures and properties of wires were investigated .

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 .

壁厚小于2mm冷弯薄壁型钢受弯构件承载力试验研究及理论分析防止冷拔薄壁无缝钢管尾部产生纵向螺旋形壁厚不均的技术探讨

Experimental Study and Theoretical Analysis on Load Carrying Apacity of Cold-Formed Flexural Members with Thicknesses Less Than 2mm ; Technical Approach to Prevention of Longitudinal Spiral Eccentricity in Tail End of Cold-drawn Light-wall Seamless Steel Pipe

黄铜在3%的NaCl溶液中会生成Cu2O、CuCl钝化膜，产生钝化现象，极化测试表明冷拔状态无铅黄铜产生点蚀现象。

The passivation phenomenon of the brass in 3 % NaCl solution can be observed due to the creation of passive film of Cu_2O or CuCl_2 . Occurrence of pitting corrosion in cold-drawn brass can be found after the polarization measurement .

冷拔使该黄铜强度增加（大于600MPa），塑性下降5%~9%。

The tensile strength of the brass increases ( greater than 600 MPa ) while the plasticity decreases ( 5 % ~ 9 % ) after cold drawing .

高精度冷拔钢管的效益性分析

Economical analysis of the high - precision hard - drawn tube