气压焊

小型数控移动式钢轨气压焊控制系统的改进

Transformation of Small CNC Traveling Rail Gas Pressure Welding Control System

钢轨气压焊试验研究

Study on the Gas Pressure Welding Process of Steel Rail

本文采用PLC专用模块和VB编程技术，开发成功了钢轨气压焊工艺参数和温度检测系统，实测了气压焊接工艺参数及其温度变化情况；

In this paper , a detect system of welding parameter and temperature field is developed with Visual Basic ( VB ) technology ;

针对这种情况，西南交通大学焊接研究所成功研制了基于PLC的数控式小型气压焊轨机，焊接接头质量的合格率高而稳定，得到了很好的评价。

In view of this situation , the welding institute of Southwest Jiaotong University successfully developed the mini-type CNC gas pressure machine , which welded joints , with high pass rate and stable quality , and received a good evaluation .

通过实测钢轨气压焊的焊接热循环曲线，并以此作为基础数据，采用Gleeble热模拟试验的方法模拟钢轨在气压焊工艺条件下的焊接热循环过程。

Base on the actual welding thermal cycles curve of rail through air pressure welding , welding themal cycles process was simulated by Gleeble thermal simulation tests .

钢轨气压焊顶锻量的计算应含钢轨在加热阶段产生的轴向变化量，当顶锻量为35mm～40mm时，接头质量优异；

The calculating of upsetting length should include the length change during the heating stage , and the welded joints are excellent if the value of upsetting length is controlled between 35mm and 40mm ;

如何控制钢筋气压焊焊接质量

Control of the Quality of Gas Pressure Weld for Steel Bars

钢筋氧液化石油气熔态气压焊新技术

A New Oxygen-liquid Petroleum Gas Pressure Welding Technique in Melt of Reinforcement

基于CAN总线的钢轨气压焊控制系统

The Control System Based on CAN-BUS in Gas Pressure Welding of Rail

气压焊是目前钢轨现场焊接的主要方法之一。

Gas pressure welding is one of main welding technique used in field .

半自动钢筋气压焊在梅山大桥工程中的应用

Application of Semi-automatic Gas Pressure Welding in Meishan Bridge

钢轨气压焊参数检测与温度场有限元模拟研究

Temperate Field Study with Ansys Simulation and Parameter Detection of Rail Gas Pressure Welding

对碳钢钢轨气压焊进行了试验研究。

The experiment of the gas pressure welding of carbon steel rail was carried out .

新型气压焊轨机参数采集与质量管理信息系统

The data acquisition and information system for quality control of new rail gas pressure welding machine

钢轨的焊接方法目前常用的有闪光焊、气压焊、铝热焊和电弧焊。

At present , rail welding includes flash welding , gas pressure welding , thermit welding and arc welding .

钢轨气压焊以其焊接方便、成本低，且能保证焊接质量的特点成为最具有竞争优势的焊接方法之一。

The gas pressure welding is convenience , low cost and can guarantee the welding quality . It has become one of the most competitive methods of weld .

在钢筋施工技术中，焊接高效的连接方式。建筑钢筋常用的对焊方法有：闪光对焊、气压焊、搭接焊、窄间隙电弧焊。

In the steel construction technology , welding and efficient connections construction steel butt welding methods commonly used are : flash butt welding , pressure welding , lap welding , narrow gap arc welding .

从而成功地实现了对气压焊的焊接压力、气体流量、顶锻位移量等焊接过程参数的控制，并使控制系统具有较快的动态响应速度和较高的控制精度。

So the control of the welding parameter such as welding pressure , gas flux , upsetting length is realized , and the system has a high dynamic response rapid and a high control precision .

目前，在中国铁路行业应用广泛的移动式气压焊轨机焊接接头质量影响因素多，特别是受人为因素影响大的缺点。

At present , when the gas welding machine , with application of a wide range in Chinese railway industry , welded joints , its quality can be affected by many factors , especially by human .

气压焊是钢轨现场焊接方法之一，为保证焊接质量，采集并记录焊接过程的参数是十分必要的。

Gas pressure welding is a important rail welding method with the merits of convenience , low costs and high performance . In order to ensure the welding quality , it is necessary to collect and record the data of welding process .

结果表明：本文建立的三维温度场模型，能够反映钢轨气压焊温度场动态变化规律，可用于加热器火孔定量调整与优化，以及焊接工艺参数选择；

The results show that the three-dimensional ( 3-D ) finite element temperature field model in this paper can describe the dynamic temperature distribution of gas pressure welding of rails , which is useful for optimizing the size of welding-flame nozzle and selecting appropriate welding parameters ;