The influence of laser power, welding speed and the focus position to the laser welding process as well as the assist gas to the instability of the welding process are analyzed.
分析了激光功率、焊接速度和焦点位置对焊接过程的影响以及保护气体对焊接过程不稳定性的影响。
Detection and control of the laser beam focus position is one of the key technologies to ensure laser beam cutting processing quality.
激光焦点位置的检测与控制是激光切割系统中的关键技术之一。
We use a space coordinate method to position and point the target and align the laser beam, and use an off-focus radius-finding technique to find the laser focus.
详细描述了神光装置激光聚变物理实验靶瞄准定位系统的原理和结构，提出了“空间坐标法”进行靶定位和靶瞄准，利用“离焦定半径”完成了激光调焦。
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.
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；
The key factors of laser welding' s quality are applying suitable laser parameters, ensuring that welding head is perpendicular to work piece and focus point is in the right position.
采用合适的激光参数、保证焊接头与工件表面的垂直姿态以及焦点位置是影响焊接质量的关键因素。
The key factors of laser welding' s quality are applying suitable laser parameters, ensuring that welding head is perpendicular to work piece and focus point is in the right position.
采用合适的激光参数、保证焊接头与工件表面的垂直姿态以及焦点位置是影响焊接质量的关键因素。
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