查询词典 puddle welding

Focused on many problems existing in pressure control system of drilling pipe friction welding,such as high failure rate and poor amenability,the basic principles of friction welding and electro-hydraulic proportional technique were briefly described.

针对焊接钻杆连续驱动摩擦焊机采用开关阀组成压力控制系统存在故障几率高、可控性差等问题，将电液比例控制技术应用在摩擦焊压力控制中，实现了摩擦焊轴向压力闭环控制、滑台进给速度的开环控制；可对摩擦焊机主轴速度、轴向压力、轴向缩短量、主电机电流、油温等进行实时检测。

The welding of sleeve and steel plate, anchor bar and sleeve all adopt the intermittent welding.

套筒与钢板的焊接，锚筋与套筒的焊接均采用间断焊接。

The arc length is one of the most sensitive parameters that influence welding quality at all-position TIG welding.

在厚壁管窄间隙全位置TIG焊中，弧长是影响焊接质量最敏感的焊接参数之一。

In this paper the image sensor technology and the relationship between the shape of the welding arc light and the location of welding torch has been investigate.

本文以图像传感技术为研究对象，分析了钨极惰性气体保护焊中焊接弧光的形态变化与焊炬空间位置的关系，并在此基础上设计了智能化不锈钢阀球气体保护焊接试验装置。

The welding current can be adjusted remotelt.It is an ideal arc welder to replace a motor driven arc welding set.

它操作方便，可远距离调节焊接电流，是取代弧焊电动发电机组的理想焊接电源。

The following studies have been done:① According to the technological requirements of CO2 shielded arc welding machine, a set of control system for are-welding inverter power supply is developed.

根据熔化极CO2焊机具有燃弧和短路两种工作状态，且两种状态下控制目标不同的特点，在控制系统中设计了双闭环反馈：焊接电压反馈及焊接电流变化率di/dt反馈。

Pure tungsten also provides good arc stability for AC sine wave welding, especially on aluminum and magnesium, but is not typically used for DC welding (it does not provide as strong of arc starts as thoriated or ceriated electrodes).

纯钨还提供良好的交流正弦波焊接电弧稳定，特别是对铝、镁、但并不是一般用于直流焊接(不提供强劲电弧或开始为thoriatedceriated电极)。

The measuring method of the dynamic characteristic of arc welding power source is always a difficult problem in welding.

弧焊电源动特性的测定方法在焊接研究中一直是一个很难解决的课题。

The integration of welding machine and arc welding robot system is implemented successfully.

成功的实现了该电焊机与弧焊机器人系统的集成。

To increase deposition rate and welding speed is the aim of high efficient arc welding.

0前言焊接作为工业生产的重要环节，效率的提高对总的生产率的提高有着举足轻重的作用。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。