焊接

Such as the 12mm plate butt welded flat bottom closure φ3.2mm the electrode selection, welding current :80-85A, filling, cover the surface layer of the electrode selection φ4.0mm, welding current :165-175A, a reasonable choice welding current and electrode diameter, easy to control bath temperature, is the basis for forming weld.

如12mm平板对接平焊的封底层选用φ3.2mm的焊条，焊接电流：80-85A，填充，盖面层选用φ4.0mm的焊条，焊接电流：165-175A，合理选择焊接电流与焊条直径，易于控制熔池温度，是焊缝成形的基础。

It is a kind of double-twist star quadding machine with motorized taking-up, tension control system, twist pitch maker(pre-spiraller), enclosed bow type carriage, separator, yarn binder, capstan wheel, bar traverser and semi-automatic reel loader-unloader, etc.

生产线技术特点：焊接电流自动跟踪牵引速度特殊设计的成型工具，确保焊接的稳定进行特殊设计的电气工艺控制板，确保焊接平稳能实现设备的停车再启动的功能，满足生产线间断操作废带收卷速度自动跟踪牵引速度配置清晰高倍显示焊缝溶池的监视系统高速星绞设备概述：本机主要用于长途通信电缆的四线组绞合，是一种双节距星绞机，由主动收线、张力控制装置、扭矩发生器、封闭弓式绞笼、分离器、扎纱装置、牵引轮、光杆排线及半自动线盘装卸装置等组成。

Measures of improving for low temperature toughness by selecting the welding materials and strictly controlling the welding process for welded joints of low temperature low-alloy steel, nickel alloy steel and chrome-nickel austenitic stainless steel for low temperature pressure vessels were summed up.

为了改善工作于低温环境的压力容器用低合金低温钢、镍合金钢和铬镍奥氏体不锈钢的焊接接头低温韧性，而采取改进焊接材料、严格控制焊接工艺的措施。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.At last, Advices for seismic design based on tests and FEM analysis are presented at last. The study is rather comprehensive and systematic, and the conclusions. can be useful for revising design code, guiding design of engineering, and provide good basis for further to study behavior of shear beam-to-column connections.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

By means of scanning electron microscope and EDS test, the factors which have a great influence on the ultrasonic wire bonding between the CdZnTe electrode and the Au down-lead are studied, such as surface treatment technology, electrode thickness of CZT wafer and ultrasonic welding parameters.

采用扫描电镜及EDS测试研究了高电阻CdZnTe金电极与外引线的超声焊接工艺，探讨了CdZnTe表面处理工艺、接触电极厚度及焊接参数对引线超声焊接质量的影响规律。

Furthermore, the bonding pressure and welding power have a great effect on the ultrasonic wire bonding rates between the down-lead wire and the CZT contact electrode after the electrode layer preparation technology of CZT wafer is fixed on.

此外，CZT接触电极制备工艺和楔入压力都是影响CZT接触电极与引线超声波焊接质量的主要因素，当CZT接触电极制备工艺确定后，楔入压力成为影响CZT接触电极与引线超声波焊接质量的主要因素，焊接功率则为次要因素。

The influence of different post weld heat treatment conditions on the microstructures and mechanical properties of friction welded joints between drill pipe DZ60 steel and its tie-in 40Cr steel has been discussed.

摘 要：首次采用摩擦焊接工艺对地质勘探用钻杆的管体与接头进行了焊接试验，探讨了不同的热处理工艺条件对DZ60钢钻杆管体与40Cr钢接头摩擦焊接头组织与性能的影响，并与采用热墩粗工艺生产的钻杆管体组织与性能进行了对比。

The paper analyzed the residual stress in the machine frame of drying part of the high speed paper machine caused by welding, discussed the effect of welding parameters on the residual stress and compared the mechanisms and efficiencies of eliminating the weld stress by heat treatment and aged-vibrating processes.

对高速纸机干燥部机架焊接所产生的残余应力进行了分析，指出了焊接工艺参数对残余应力的影响；分析比较了热处理和振动时效两种工艺方法消除焊接残余应力的机理和效果。

The paper analyzed the residual stress in the machine frame of drying part of the high speed paper machine caused by welding, discussed the effect of welding parameters on the residual stress and compared the mechanisms and efficiencies of eliminating the weld stress by heat treatment and aged-vibrating processes.

摘 要：对高速纸机干燥部机架焊接所产生的残余应力进行了分析，指出了焊接工艺参数对残余应力的影响；分析比较了热处理和振动时效两种工艺方法消除焊接残余应力的机理和效果。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。