The processes of preheating and welding of super scale penstocks were detailed.
本文详细叙述了巨型压力钢管的预热装配和焊接过程。
Steel surface should be no visible grease and dirt, and there is no attachment not firm scale, rust, paint and other impurities (water soluble salt and welding residue).
钢材表面应无可见的油脂和污物，并且没有附着不牢的氧化皮、铁锈和油漆涂层及其它杂质（水溶性盐和焊接残渣）。
The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.
针对振动焊接中激振器的激振力不大、频带不宽等缺陷，本文研制了一种以超磁致伸缩激振器为执行元件的微振动平台。
This air grinder is used for burr clearing, sanding, polishing, roll scale thining and welding in working ship, chemical machinery, mechanism manufacture repairing and working and so on.
该气砂轮在船舶锅炉、化工机械及各种机械制造和维修工作中，用于清除毛刺和氧化皮修磨焊缝、砂光、抛光等作业。
Because of the high demand for processing technology and equipment in common use common molding, to cast it hardly tools, so it is difficult to formation welding production scale.
由于钛的加工技术要求很高，用普通设备很难浇铸成型，用普通工具又很难将它焊接起来，所以很难形成生产规模。
Welding process certification test is an important test complied with EN standard to validate the welding process, ensure the welding quality and meet the requirements of manufacture in large scale.
焊接工艺认证试验是在焊接生产中根据欧洲标准，验证焊接工艺、保证焊接质量，从而满足大规模生产需要的重要试验。
Metal Doctor (MD) is a pulsed micro-welding process that is being used increasingly for small scale and precision coating and repair of high value components.
金属医生是一种脉冲微弧焊接过程，可以用来在小面积范围内实现精密涂层和用来修复高附加值的部件。
This air grinder is used for burr clearing, sanding, polishing, roll scale thinning and welding in working ship, chemical machinery, and mechanism manufacture repairing and working and so on.
该气砂轮在船舶锅炉、化工机械及各种机械制造和维修工作中，用于清除毛刺和氧化皮修磨焊缝、砂光、抛光等作业。
The use of large-scale high-temperature steel welding butterfly valve manufacturer, mainly for high-temperature medium duct smoke and gas pipelines.
大型高温蝶阀采用钢板焊接制造，主要用于高温介质的烟风道和煤气管道。
Construction technology of large-scale pipeline and mixing type vertical downwards-welding technology is introduced.
介绍了大型管网施工工艺程序和混合型立向下焊焊接工艺原理。
In the welding engineering of large-scale pipe structures, the assembly precision and the branch pipe cutting curve of two intersecting pipes haven't been settled for a long time.
在大型管结构的焊接工程中，相交双管的装配精度及支管下料高度一直未得到很好的解决。
The company has the advanced large-scale automatic computer program control resistance welding machine, complete specialized check-out facility and exquisite processing craft.
浸塑电焊网、隔离栅及防风抑尘网、钢筋焊接网等。公司拥有先进的大型自动电脑程控压阻焊机，齐全专业的检测设备和精湛的加工工艺。
Pit-less type platform scale, checked iron surface plate (surface plate of SST models is smooth plate) combined with welding U-shaped steel girder formed a higher strength and reliable platform scale.
台面采用花纹面板（不锈钢系列为光板面板），U型钢梁焊接，强度高。
We have advanced production equipment with full range, such as machine processing, heat dealing, welding, test measurement, packing and shipping, meanwhile we also have large-scale production.
具备机械加工、热处理、焊接、检测计量和包装发运等配套齐全的先进生产装备和大规模生产能力。
It is essential to control assembly and welding deformations for large scale spheral tank with thin wall in order to guarantee spheral tank construction quality.
大型薄壁球罐组装及焊接变形的控制是保证球罐施工质量的关键，文章从球罐半成品、球罐组装及焊接工艺三方面介绍了控制球罐组装及焊接变形的措施。
It is essential to control assembly and welding deformations for large scale spheral tank with thin wall in order to guarantee spheral tank construction quality.
大型薄壁球罐组装及焊接变形的控制是保证球罐施工质量的关键，文章从球罐半成品、球罐组装及焊接工艺三方面介绍了控制球罐组装及焊接变形的措施。
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