main weld的例句大全

An Electrometric Study on the Stress Distribution of Main Weld Joints of Large Welded Structure Gear

大型焊接结构齿轮主焊缝应力的电测研究

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The low surface tension and low viscosity of aluminum alloys are the reason that the change of surface tension temperature gradient is not the main mechanism of activating flux increasing weld penetration of activating TIG welding.

而铝合金材料表面张力小，粘度低，是导致表面张力温度梯度改变不是活性剂增加铝合金活性TIG焊熔深的主要机理的重要原因。

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Through welding characteristic analysis of No. 8 turbine blade material in Shizuishan Power Plant, particularly analyzes technique main points of blade welding, carefully introduces on-site weld repair technique plan and concrete process of turbine blade.

通过对宁夏石嘴山发电厂8机汽轮叶片材料的焊接性和焊接工艺要点的分析，详细介绍了汽轮机叶片的现场焊接修复工艺方案及具体过程。

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The results show that tiny crack main by using the unqualified protect gas ( Ar) during welding could cause the increasing hydrogen contain in the weld area, created the hydrogen embrittlement crack.

结果表明：由于焊接工艺规范控制不当，未及时进行消氢处理，焊件的碳当量提高具有明显的淬硬倾向，焊接结构和较大的焊件厚度引起拘束应力等综合作用产生了延迟裂纹。

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Design of Protecting Circuit for Melt-Weld Failure of Main Noddle on Contactor

接触器主触头熔焊故障的保护电路设计

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Discussion of Assembly and Weld Process Programs for the Cased Bridge Grain's Main Beam

箱型桥式起重机主梁装焊工艺方案讨论

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Because the side beam is asymmetric, and the external four longitudinal weld locate four corner of longitudinal neutral axis ( X axis) of the side beam. For the groove weldment, the shrinkage of weld metal is the main factor making residual welding deformation.

由于侧梁非严格对称，且外部4条主焊缝环绕在纵向中性轴（X轴）的四个角点；焊缝金属收缩是形成焊接残余变形的主要因素。

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Weld is main connection for rail vehicles structure, is also prone to fatigue failure of the danger zone.

焊接是铁路车辆结构的重要联接方式，也是最容易发生疲劳破坏的薄弱环节，绝大多数的疲劳事故发生在焊接部位。

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The main contents include: With combination of Z-N PID self-tuning formula and relay self-adaptation control methods, the PID parameters of weld area of furnace is given automatically.

结合Z&N PID自整定公式和继电自整定控制方法，自动整定加热炉焊接区的PID参数。

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The main features are that the back surface weiding seams are even, smooth and weld edge tidy, excellent in performances of welding technology and welding seam dynamics. Unique output special design can suit wire filling welding and form good-looking welding seam.

主要特点是背面焊缝匀称、光滑，焊趾整齐，焊接工艺性能及焊缝力学性能优良。独特的输出特性设计更适合填丝焊接，焊缝美观。

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Analysis of Crack of Weld on Main Steam Piping Drainage of Unit 1 in Xibaipo Power Plant

西柏坡发电厂~1机主汽疏水管焊口裂纹分析

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the drawing up and main content of the standard gb 17925-1999 standard practice for x ray real time examination of cylinder weld are described.

概述GB17925-1999《气瓶对接焊缝X射线实时成象检测》标准的编制情况和主要内容。

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Method for handling weld seam quality of main beam of power plant

电厂大梁焊缝质量的处理办法

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According to the forming theory of square-box part and the deformation characteristics of TWB under force, some main factors were analyzed, including blank holder force ( BHF), thickness difference, the mechanical properties of blank and the weld location.

根据盒形件的冲压成形理论，并结合拼焊板受力时的变形特点分析了影响拼焊板冲压成形的主要因素，即压边力、板厚差、板料力学性能和焊缝位置等。

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The results indicate that the powder's main deformation mechanism is elastic-plasticity in the earlier stage of milling, and it is the reciprocal process between cracking and conglobation, welding-on in the later.

结果表明：在球磨的初始阶段，粉末的主要变形机制是弹塑性变形，后阶段是粉末的破碎与团聚、焊合的互逆过程为主；

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Results show that aligning heating device center and weld center, and heating main tube along stub tube root locally to520~ 580 ℃, can prevent the maximum temperature excursion.

结果表明：加热装置的中心与焊缝中心重合，主管沿接管座根部局部附加加热至520～580℃时，可较好地克服最高温度偏移。

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During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.

在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。

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