介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机，分析其光学系统。
A practical high-power CO2 laser welding and cutting equipment with high beam quality was introduced, the optical system was analyzed.
因此我们进行了高功率、高光束质量的激光焊接设备的开发和研究。
Then we carry on the study and development on laser welding equipment with high beam quality.
针对激光深熔焊过程中易出现的气孔问题，作者提出光束摆动激光焊接减小气孔倾向的工艺。
Porosity is apt to occur in deep penetration laser beam welding, which has severe influence on the mechanical properties of laser welded joint.
激光器发生的光束可以焊接金属。
激光焊接过程中产生的等离子体对激光束有屏蔽作用，降低了焊接熔深，甚至出现缺陷。
Plasma produced in laser welding process has shielding effect to the laser beam and decreases the melting depth on even result in the defect.
其中重点讨论了M2参数对焊接中光束行为的影响以及光束聚焦特征参数对深熔焊接工艺参数和焊缝质量的影响。
The key points are the influences of M2 parameter to the beam behavior and Kf parameter to welding quality in laser deep penetration welding.
此模块在功率和光束质量方面满足激光塑料焊接等应用的要求。
This high power LD module can meet the requirements of plastic processing in power and beam quality.
激光束作为一种“工作母机”，在切割、钻空和焊接金属方面已发现是非常有用的。
As a "machine tool", the laser beam has been found useful in cutting, drilling, and welding metals.
激光束可实现时间和能量上的分光，能进行多光束同时加工，为更精密的焊接提供了条件。
Laser beam can Spectro. Can conduct many beam light while machining. for more precision the welding provide conditions.
将激光束耦合进入光纤，聚焦于工件上实施焊接，采用光纤传输非接触焊接，具有更大的灵活性。
Will laser beam optical fiber laser coupling will enter. Focusing at implementation of workpiece on welding. By using optical fiber transmission non-contact welding, Have more flexibility.
激光焊是一种高质量、高效率的焊接方法，但铝合金对激光束具有较高的反射率及较低的吸收率而很少使用。
Laser welding is a kind of welding method of high-quality and high efficiency, but it is rarely used because of high reflectivity and low absorption of aluminum alloy against the laser beam.
激光焊是一种高质量、高效率的焊接方法，但铝合金对激光束具有较高的反射率及较低的吸收率而很少使用。
Laser welding is a kind of welding method of high-quality and high efficiency, but it is rarely used because of high reflectivity and low absorption of aluminum alloy against the laser beam.
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