所以控制电弧后拖是高速焊改善焊缝成形的关键。
Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.
应用所研制的双丝脉冲mag高速焊多相位数字化协同控制电源装备进行了大量的双丝高速焊工艺试验。
Finally, the technologic experiment of twin-wire welding was done with the equipment of twin-wire pulsed MAG high speed welding power supply and its multi-phase digital synchronic control system.
本文介绍了用于高速光电组件的表面安装型焊球阵列（BGA）封装技术。
Surface mount BGA Packaging Technology for high-speed Optoelectronic modules is described in this paper.
对球形储罐焊后整体热处理常用的燃油高速喷嘴内燃法进行回顾，并就开始研制的微机自动控制系统做了简介。
The method of internal combustion with high speed jet nozzle used in the local whole post weld heat treatment of spherical tanks was reviewed.
双电弧共熔池脉冲gmaw焊集高速高效、优质和自动化于一体，近来备受重视，但国内对此研究不多。
The high-speed twin arc pulse GMAW welding technology possesses the advantages of high efficiency, high quality and automatization, and is paid much more attention to nowadays.
当用于高速流体（湍流）或热循环应用时，为了避免松开，螺纹阀座环应该锁焊在阀体上。请在订购时加以指定说明。
Threaded seat rings should be lock welded to the body when used in high velocity (turbulent) or thermal cycling services to avoid loosening. Please specify.
结合大型钛材铸焊结构高速鼓风机叶轮的研制，阐述了其叶轮的制造工艺特点。
Combining with development of high speed blower impeller with large titanium material cast welding structure, the manufacturing technical feature of the impeller is set forth.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
本文对高速钢刀具闪光对焊经常出现的主要缺陷问题进行了具体分析，并提出了有效的解决措施。
In this paper, the defects appeared in flash butt welding for HSS cutting tools have been analyzed. And the effective resolving way has been put forward.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
介绍了自行车车圈双面双缝高速次级整流缝焊新工艺、新设备，并对其加热特点、技术要点及焊接参数等问题进行了探讨。
The heating and other technical characteristics as well as procedure parameters are introduced in this paper for bicycle wheel - tyre double seam high speed welding.
焊和高速高精度运动定位技术是关键技术。
Ultrasonic wave bonding and precision positioning at high speed are key technologies.
建立了高强铝合金双丝MIG焊熔滴过渡高速摄像系统以及焊接参数采集系统，获取了不同工艺规范下的脉冲熔滴过渡形式。
The high-speed camera system and data acquisition system of welding parameters were created for tandem MIG welding of high strength aluminum alloy.
沿江高速公路峭岐枢纽互通跨线主桥采用钢箱梁结构形式，全焊式连接。
Qiqiao pivot of riverine expressway interflows the line and crosses over the the main bridge of the Jingfu expressway adopted the steel case roof beam structure form.
公司拥有九洲松下CM 88c - M高速贴片机、多温区回流焊等设备以及空调房生产车间，是产能和品质保证。
JLG will provide production capacity and quality assurance for our customer by Panasonic CM88C-M Hi-speed mounting and reflow equipment in air conditioned workshop.
根据机器人焊接电源的要求，研究了一种由高速单片机80c3 2 0为控制器的IGBT逆变式弧焊电源。
At the special request of robot, this paper study a IGBT inverter arc welding power source which is controlled by high speed single-chip microcomputer 80c320.
试验结果表明，通过对短路过渡过程中各个不同阶段的输入能量的控制，可提高焊接过程的稳定性，实现CO2焊的高速化。
The results show that the welding stability can be improved by controlling the input energy in each period to achieve high-speed CO2 arc welding.
然后主要从双丝或多丝电弧焊工艺和双焊炬组合焊接工艺两个大的方面着重介绍了纵列式熔化极气体保护焊、等离子弧-熔化极气体保护焊和双电极熔化极气体保护焊等高速弧焊工艺。
Then, high-speed arc welding processes are introduced, such as tandem GMAW, PAW-GMAW and DE-GMAW, based on two categories:twin or more wires arc welding process and two-torch combined welding process.
公司拥有无铅回流焊、高速贴片机及无铅环保车间，高度重视产品品质，为客户生产出稳定、合格的产品。
We pay more attention on the products quality and produce the stable, and qualified products for our customers.
公司拥有无铅回流焊、高速贴片机及无铅环保车间，高度重视产品品质，为客户生产出稳定、合格的产品。
We pay more attention on the products quality and produce the stable, and qualified products for our customers.
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