结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
随焊接热输入和激光功率密度的增大，焊缝截面由钉形向近X形转变。
With increase of heat input and laser power density, the cross section of the weld transformed from nail shape to near X shape.
研究了外加横向电流对铝合金CO_2激光焊接焊缝成型的影响。
The influence of transverse current on seam formation of CO2 laser beam welding of Aluminum alloys has been investigated.
激光焊接时正确选择侧吹工艺可以增大焊缝熔深。
The penetration depth of weld metal can be increased by selecting correct gas-assisting blowing in laser welding.
激光视觉传感作为目前最有发展前景的焊缝跟踪方法，已引起了人们的普遍关注，并逐步在焊接生产中得到了推广应用。
Laser vision sensing, as one of the most promising seam tracking methods, has been paid more and more attention and gradually employed widely in the welding production.
结果表明：激光功率的增加更有利于最大焊接速度的提高，只有合理的工艺参数组合才能取得良好的焊缝成形。
The results show that increasing laser power is more beneficial to the increase of maximum welding speed and the effect of the welding parameters on the weld shaping is evident.
试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.
前者试验获得了一定激光功率和离焦量条件下两组焊接速度和送丝速度的匹配关系，并发现填充焊丝的加入对焊缝咬边现象确有改善；
Two groups of matching relation of the weld speed and the wire feed rate were found in a condition of invariable laser power and focus position.
针对机器人焊接中的激光结构光焊缝图像，提出了数学形态学滤波去噪方法。
Aiming at the welding image produced by laser structure light under robotic welding, it introduces a noise filter method based on Mathematical Morphology.
对ZL114A铝合金薄板采用激光填丝焊接，通过三种不同成分的铝合金焊丝，向焊缝中添加合金元素。
ZL114A aluminum alloy sheet was tested by laser filler wire welding . Through the three different alloy compositions of aluminum alloy welding wire, to add different alloy element to the weld.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
研究了填充合金粉对CO_2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。
The influences of the filler metal powder on the laser power density threshold value, weld formation and process stability were studied during CO_2 laser welding of aluminum alloy.
以不锈钢SUS304作为试验对象，分别研究了焊接速度、散焦离焦量、激光功率和保护气体等工艺参数以及活性剂和活性元素硫对不锈钢yag激光焊焊缝成形的影响。
The effects of welding speed, defocusing distance, laser power, shielding gas, activating flux and activating elements on weld shape in YAG laser welding of SUS304 stainless steel was studied.
研究了激光焊接的参数和焊缝的金相组织。
Process parameters and the metallurgy aspect of the weld are studied.
测量了激光对接焊后热轧钢板正背表面焊缝宽度，分析了激光焊的焊接速度对热轧钢板焊缝成形和质量的影响。
The width of laser welds on the top and bottom surfaces of hot rolled plates after laser welding was measured.
激光焊缝窄，基材锌层阳极保护作用得以保存，激光焊接板仍具有较好耐蚀性。
Since laser weld is narrow, and the anode protection effect of zinc on the base metal was not destroyed, the joint has good corrosion resistance.
为消除LY 12 CZ铝合金激光焊接时焊缝中常见的气孔和裂纹缺陷，通过正交实验，优化了激光功率、扫描速度、保护气体流量等工艺参数，并采取适当的焊前预处理工艺。
Through orthogonal experiment, laser power, scanning rate and gas flow were optimized and pretreatment techniques were adopted to cancel pore and crack in laser weld of LY12CZ.
研究了激光焊缝质量与激光焊接工艺参数的关系；
The parameters are laser power, power density, beam spot size, welding speed, laser mode and auxiliary gas blow.
通过利用自行研制的分束焊接头将一束激光分为能量相当的两束激光，在沿焊缝方向上串联产生了两个焦点。
A self designed welding head is described. The welding head can divide one torch into two equally and the two focuses are in series along the weld.
结果表明，在侧吹保护气体的条件下，激光深熔焊接能有效地避免高强度镀锌钢热影响区的软化和控制焊缝气孔及焊接接头裂纹的产生。
By adopting blowing side protective gas, the problem that gas hole was easy to form owed to evaporation of zinc and moisture of circumstances in laser...
结果表明，在侧吹保护气体的条件下，激光深熔焊接能有效地避免高强度镀锌钢热影响区的软化和控制焊缝气孔及焊接接头裂纹的产生。
By adopting blowing side protective gas, the problem that gas hole was easy to form owed to evaporation of zinc and moisture of circumstances in laser...
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