The welders engaged in the welding shall be fully qualified and holding welding certificates from the classification society for the type of welding carried out.
从事的焊接的焊工应该有充分的资格和持有给焊接发证的船级社的证书。
Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.
在进行碳钢及低合金钢的焊接时应进行预热。预热温度在焊接开始到结束期间应保持均衡。
For safety the propane tank was filled completely with water during all welding procedures to prevent fire or explosion from propane fumes.
出于安全的丙烷罐是装满了水，完全在所有焊接程序，以防止火灾或爆炸的丙烷气体。
Then some measures for preventing lamellar tearing were proposed from the aspects of steel material selection, joint detail design, fabrication and welding process.
并从钢材选材、结构接头设计、加工及焊接工艺措施等方面提出了防止钢结构厚板层状撕裂的技术措施。
The grind sharpened Angle of tungsten electrode, the diameter of end face and welding parameters that are important for welding are introduced from theory to application.
对与焊接至关重要的钨极高磨尖角度、端头直径，焊接规范参数从理论到应用予以介绍。
For replacing coke oven flame welding material imported from foreign country, based on experiment, we developed CAE type flame welding material.
为替代从国外进口的焦炉火焰焊补料，实验研制了CAE型火焰焊补料。
This paper introduces the main processes about typical structure, welding sequence, lines fairing and quality control etc. for the conversion from single-hulled tanker to double-hulled tanker.
本文主要介绍了油轮单壳改造为双壳的典型结构、焊接顺序、线型光顺、质量控制等方面的主要工艺流程。
Advanced design concept from the South Korea. Special for the welding of membrane structure, can be customized with different out-put power and different Settings according to your demand.
本机台引入韩国先进设计理念，专为帐篷、膜结构、尖顶等特殊焊接设计的各种帐蓬、膜结构机台。此机台可根据客户要求设定不同功率与配置。
It presents that the real, time monitoring technology for laser welding from the detecting used signals and contents.
从检测信号和内容两个方面介绍了国内外激光焊接质量实时检测技术的研究现状。
The He-Ar mixed gas TIG welding for AZ31 magnesium alloy plate by was carried out. The surface of observed joint is smooth free from heap high and appearance defects.
在氦-氩混合气体保护条件下，对AZ31镁合金板材进行了TIG焊接，获得了表面光滑、无堆高和无变形等缺陷的焊缝。
The probe choices for ultrasonic crack detection of welding line of light sheet are discussed from two aspects of theory and practice.
从理论和实践两方面探讨了薄板焊缝超声波探伤探头的选择方法。
Such a machining device is used to remove material from workpieces (28) or for connecting workpieces (28) by bonding, especially by means of welding.
这种加工设备用于工件(28)上的材料侵蚀或工件(28)的材料连接，尤其用于工件焊接。
The invention discloses a device for preventing high temperature caused by welding metal embedded parts from burning out concrete base layers and a method thereof.
本发明公开了避免金属预埋件焊接高温烧坏混凝土基层的装置和方法。
Controlling for the variables related, preventing the crriage from cracking during welding and correcting distortion for it after welding are discussed, too.
提出了焊接过程中产生裂纹的控制方法及对焊后变形的矫正方法。
Weldability of WT-62CF steel both for inland and for plateau uses are proved from experiments. The reliable welding procedure and QA measures are drawn up.
论证了WT-62CF钢在内地和高原现场的焊接性，制定了可靠的焊接工艺及质量保证措施。
From the perspective of flexible welding robot system design, analyze the structure feature and welding accessibility of rear axel housing for bulldozer and clarify the approach of fixture design.
从机器人柔性焊接系统设计的角度出发，分析了推土机后桥箱的结构特点和可达性，明确了焊接工装设计思路。
Ceramic Ferrules are Specially designed for various stud welding. The products are made from cordierite which is ideal material and applied in shipbuilding industry, heavy construction fields, etc.
螺柱焊陶瓷环是各种类型螺柱与钢铁基体焊接时的保护定型环，由优质堇青石原料制成，广泛用于造船，桥梁制造，重型工业等领域。
A tolerance curve of heat resistance for human being body under simple protective condition is obtained from experiment. The curve is used as a reference to determine the temperature of start welding.
经试验得出一条在简单防护条件下人体耐热曲线，将其作为确定始焊温度的参考；
The bolts are made from excellent quality alloy steel, the nuts and washers are made from carbon steel, cheese head studs for stud welding are made from ML15AL.
螺栓选用优质合金钢，螺母、垫圈选用优质碳结钢，圆柱头焊钉选用ML 15al。
The bolts are made from excellent quality alloy steel, the nuts and washers are made from carbon steel, cheese head studs for stud welding are made from ML15AL.
螺栓选用优质合金钢，螺母、垫圈选用优质碳结钢，圆柱头焊钉选用ML 15al。
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