Three-way or four-way round pipe welding is a common technique in practice.
将圆形管件焊接成三通、四通等是焊接行业经常遇到的工艺。
The invention relates to a Cu-Al pipe welding joint, a preparation method and a special core rod thereof.
本发明涉及一种铜铝管焊接接头、其制备方法及专用芯棒。
The problem of half-pipe jacket equipment is the leakage induced by cracks in half-pipe welding position.
半管夹套设备的问题，是在半管的焊接位置出现裂缝泄漏引起的。
The early losing effectiveness causes of the superheater pipe welding joint were investigated and analysed.
针对某电厂异种钢焊接接头高温早期失效的过热器管件进行了调查研究和失效分析。
This invention relates to a kind of pipe welding control system for controlling welding temp. by welding speed.
本发明涉及一种由焊接速度控制焊接温度的焊管控制系统。
The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.
管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。
A dual processor interactive control system with functions of welding parameter regulation and real-time control is designed and implemented for pipe welding robots.
针对管道焊接机器人设计了一个双处理器的参数调节、实时控制功能的交互式控制系统。
Welding: all kinds of metal products brazing, all kinds of tool blade, saw tooth welding, steel pipe, copper pipe welding, the same kind of dissimilar metal welding;
焊 接：各种金属制品钎焊、各种刀具刀片、锯片锯齿的焊接、钢管、铜管焊接、同种异种金属焊接；
The latest developments of application of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
Although it is cheap, the time-relay, with the low control precision, stability, reliability and other performance, can't satisfy the demand for higher quality of Cu-Al pipe welding.
虽然时间继电器成本低，但若达到铜铝管焊接高质量，其时间控制精度、稳定性、可靠性等性能指标已不能满足要求。
The new pre-treating Process is first described publicly in the article in order to provide references for the pipe-welding industry of our country.
本文是第一次向国内公开介绍这种全新的预处理工艺，供国内焊管行业参考。
The new pre-treating Process is first described publicly in the article in order to provide references for the pipe-welding industry of our country.
本文是第一次向国内公开介绍这种全新的预处理工艺，供国内焊管行业参考。
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