高频焊管

高频焊管焊接过程的微机综合自动控制

Computer Automatic Control of High Frequency Pipe Welding Process

近年来我国中大直径高频焊管（HFW或ERW）机组快速发展。

In recent years in China middle and big diameter HFW pipe mills have been developed swiftly .

φ76mm高频焊管生产的焊接机理及调试中的寄生振荡浅析

Discussion on welding mechanism of and parasitic oscillation occurring in commissioning of φ 76mm hi-frequency welded pipe mill

本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。

The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation , metallographic technology , fracture analysis and EBSD technology .

新研制的Φ114mm高频焊管生产线采用快速拆装轧辊专用设备，比一般轧辊拆装操作方便，拆装轧辊的时间缩短。

Employed by the Φ 114mm high frequent weld pipe production line , the newly developed special equipment for roll quick assembling / disassembling makes easy and time-reducing operation of roll assembling / disassembling .

为查明J55钢高频焊管焊缝处的冲击功差异较大的原因，对母材、焊接热影响区及焊接区进行了微观分析。

To investigate the reason of the great difference in impact toughness of welding seam of high frequency welding pipe , samples taken from base metal , heat affected zone and welding seam were analyzed through microscopy .

介绍了厦门爱普森公司生产的EEC-30型智能金属管道涡流探伤仪在实际生产中的应用，充分肯定了涡流探伤技术在高频焊管生产中不可替代的作用。

This paper introduces the application of EEC-30 type intelligentized and digital welding pipe eddy current flaw detector by Xiamen Epson Corporation . It fully affirms the important roles of the eddy current detecting technique in the production of the high-frequency welding pipe .

高频焊管的微机恒温控制系统

The Constant Temperature Control System by Microcomputer for High Frequency Welding Tube

高频焊管微区腐蚀电位分布

The micro-area potential distribution diagram of high frequency welding tube

高频焊管生产过程质量控制的三个环节

Three Steps of Quality Control in the Process of High-Frequency Welded Pipe

螺旋缝高频焊管机组双功能技术改造的几点浅见

The Double Function Technological Reform of Spirally High Frequency Welded Pipe Mill

高频焊管机组刮外毛刺机构的改进

Improve on Outside Burr Scraping Mechanism for High Frequency Welded Pipe Unit

特种锰钛合金钢在高频焊管机挤压辊上的应用

Special Manganese-titanium Alloy Steel Application in High Frequency Welded Pipe Squeeze Roller

新型固态高频焊管电源的开发

Development of New Type Solid High Frequency Power Source

高频焊管机焊接挤压力的微机自适应控制

Microcomputer Adaptive Control for the Welding Squeezing Force in HF Welded Pipe Mill

高频焊管常见焊接缺陷分析

The Common Weld Defects of High Frequency Welded Pipe

高频焊管焊缝的温度自动控制系统

Temperatures Automatic Control System of HFW Welded Pipe Seam

一种高频焊管焊接温度控制系统

A High Frequency Welded Pipe Welding Temperature Control System

高频焊管焊接温度观测器

A Welding Temperature Observer for HF Welded Pipe

高频焊管焊接点温度的传感及其模糊控制

Sensor and fuzzy control system for temperature at welds of hi frequency welded pipe

无内焊瘤高频焊管

HF pipe welding with no inside welding beading

合金贝氏体球铁在高频焊管机轧辊上的应用

Application of alloy bainitic nodular cast iron in roller of high frequency welding machine

在线涡流探伤仪在短带钢高频焊管生产中的应用

The Application of On-line Eddy Current NDT in Manufacturing Short-band Steel High Frequency Welded Pipes

高温形变热处理新工艺在高频焊管轧辊制造中的应用

Application of the New High Temperature Deforming Process in High Frequency Welded Pipe Roller Fabrication

高频焊管轧机合金球墨铸铁轧辊的研究应用

The Research and Application of Alloy Nodular Cast Iron Roll for HF welded Steel Pipe Mill

焊管成品长度与中直径高频焊管机组产量及投资的关系

Relation of Quantity and Investment Between Welded Pipe Length and Medium Diameter High-frequency Welded Pipe Units

本套设备适合于高频焊管生产线上进行焊缝的补锌及电容喷涂。

Specially suitable for zinc patching of weld seam in tube welding line , and capacitor spray .

Φ63.5高频焊管机组冷却供水系统的改进设计

Rebuilding of the water supply system in the Φ 63 . 5 high frequency welding pipe set

介绍了高频焊管对焊接工艺的要求，提出了有关工艺及技术参数。

The demand to welding process of high-frequency welding pipe is introduced , some related parameters proposed .

涡流探伤在高频焊管中的应用高频焊管机辊轮寿命研究

Application of Eddy Current Detection in High-frequency Welding Pipe Research on Roller Life of the High-frequency Welding Tube Mill