To solve the problem of the variety of the main rod's size after welding to adjustable tower crane standard section, because of the difference of the material batch, a novel approach is proposed.
针对塔式起重机标准节主弦杆因材料批次不同焊接后尺寸不同的问题，提出对塔式起重机标准节主弦杆焊胎的改进方法。
Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.
某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。
Also can be according to the welding object size, designed to different specifications of the mouth spray tin.
也可以是根据焊接的对象大小，设计成不同规格的喷锡口。
Enhancing the quality of vehicles body welding and fitting method are the control of size indicators and the comprehensive control of all factors leading welding and fitting errors.
介绍提高汽车车身焊装质量的方法是通过控制尺寸指标和对产生焊装误差的各方面因素进行合理、综合的控制。
Emphasize how to solve this question in size, and structure, manufacture, welding, and corrosion - inhibited.
详述了怎样解决尺寸确定、机构设计、加工制造、焊接的问题。
Decreasing welding thermal input will decrease the oxygen content and the number and size of oxide inclusions, and it improves the toughness of weld metal.
降低焊接线能量时，将降低熔敷金属中的氧含量及其氧化夹杂物的数量和大小，从而提高熔敷金属的韧性。
The changing of welding process factors would result in the change of weld size and shape, and have effects on welding quality.
焊接工艺因素的改变会引起焊缝尺寸和形状的变化，进而影响焊接质量。
The weld size was controlled according to the definition of leg on the corner joint and DL/T869—2004 (power plant welding technical regulation), which led to the effective thickness was insufficient.
按目前大多数人认可的角接接头焊脚的定义，根据DL/T869—2004《火力发电厂焊接技术规程》去控制焊接尺寸，会出现焊缝有效厚度不足的问题。
Longtan hydropower station is large in big structure size of spiral case, high in installation accuracy and welding requirement, poor in welding environment, and short in construction period.
龙滩水电站机组蜗壳结构尺寸大，安装精度和焊接要求高，焊接环境差，工期要求短。
The strength of fillet welding joint is related not only to the fillet weld size, but also depends on the base metal strength matching.
角焊缝的强度不仅与焊脚尺寸有关，还取决于焊缝金属与母材强度的匹配。
Size is expected to start from the calculation, cutting, straight seam welding, the whole round, press-fit, girth welding, leak detection, have a certain degree of technical difficulty.
从下料展开尺寸的计算、裁剪、直缝焊接、整圆、压装、环缝焊接、检漏等都有一定的技术难度。
This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size, welding form, welding surface size, welding method.
论述在焊接生产中，如何防止和减少焊接变形，并在焊缝长短、焊缝大小、焊接形式、焊接面大小、焊接方法方面加以探索。
However, with increasing the welding speed, the size of the grains in the NZ decreased slightly.
随焊接速度增加，晶粒尺寸略有减小。
The fracture of the pump shaft is mainly caused by large size non metallic inclusions and point welding between the lock nut and the pump shaft.
结果表明，大尺寸的非金属夹杂和背帽外缘的点焊是引起泵轴过早断裂的主要原因。
It was examined that the dynamic peculiarity, the welding line flaw, the size of steel member section and the rusty phenomenon of an existing municipal steel-box girder bridge.
对某在用市政钢箱梁桥的动力特性、焊缝缺陷、应力和变形、钢构件截面尺寸和锈蚀情况进行了检测，按规范要求验算了结构的整体稳定和局部稳定。
Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
The adaptable control TIG automatic welding system for large-size astronautics container circumferential was introduced in this paper.
介绍了一种大型宇航容器环向焊缝适应控制TIG自动焊接系统的设计方案。
Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
The results show that the reducing with the particle size of Al, the burning speed improves rapidly and the welding controllability gets worse.
结果表明，随铝粉颗粒尺寸减小，燃烧速度迅速提高，焊接可控性变差；
The shape and size of plasma in laser welding process was studied with high-speed CCD carnera.
结果表明，侧吹喷嘴高度和侧吹流速的变化对光致等离子体行为和焊缝形貌有显著的影响；
The results reveal that the grain size of welding seam decreases with the increase of welding velocity and the rate of tubes' extension increases under the same technological conditions.
经对试验结果分析表明：在其它工艺参数不变的情况下，随着焊接速度的增加，焊缝组织的晶粒度减小。铜管的扩口率增加。
Flange into fixture in the mould, open switch will be 120 regional automatic welding, according to the size of the flange size to replace fixtures mold, cable length can be arbitrary adjustment.
支线自动焊好，根据法兰的大小规格来更换夹具模具，网线长度可任意调整。
Results show that after various welding simulations, the grain size of austenite imposes the most significant effect on the tensile and impact properties;
结果表明，在焊接热模拟条件下，原始奥氏体晶粒尺寸是影响机械性能的主要因素。
Weld-shape(butt weld width, size of fillet weld)is an indicator of weld features and it also is an important factor of quality welding.
焊缝尺寸 （如对接焊缝的焊缝宽度、角焊缝的焊角尺寸等 ）是表示焊缝形状特征的指标 ，是影响焊缝质量的重要因素之一。
The parameters are laser power, power density, beam spot size, welding speed, laser mode and auxiliary gas blow.
研究了激光焊缝质量与激光焊接工艺参数的关系；
The mixing proportion of WC and matrix metal, the grain size of WC, the composition and hardness of the matrix and other factors on wearability of the spray welding coating are discussed in the paper.
本文重点研究了碳化钨与粘结金属的配合比例、碳化物颗粒的粒度、粘结金属的组织成分及其硬度等因素对喷焊层耐磨性的影响，并初步得出某些因素对喷焊层耐磨性的影响规律。
By welding operating testing, measurement of Hannover arc characteristics analyzer, hardness test and wear test, the influence of rutile particle size on the properties of the electrodes was studied.
通过操作性能测试、汉诺威电弧质量分析系统测试、硬度试验和磨损试验，研究了金红石粒度对焊条性能的影响。
By welding operating testing, measurement of Hannover arc characteristics analyzer, hardness test and wear test, the influence of rutile particle size on the properties of the electrodes was studied.
通过操作性能测试、汉诺威电弧质量分析系统测试、硬度试验和磨损试验，研究了金红石粒度对焊条性能的影响。
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