Industrial Laser Welding Equipment

Three types of welds can be achieved with laser welding: conduction, conduction/penetration and penetration or 'keyhole.' Conduction welds are performed at low energy, resulting in wide, shallow weld nuggets. Conduction/penetration welds utilize a medium energy density and result in a deeper weld nugget. Penetration or keyhole welds are resultant of direct energy delivery into the material being welded resulting in deep, narrow nuggets.

As laser welding is a non-contact process, there are a great number of joint geometries that can be welded. The most significant requirement is that there be a close fit-up at the joint interfaces.

Laser welders can join a wide range of steels, nickel alloys, titanium, aluminum, and copper. As with other joining technologies, some materials are difficult to laser weld unless they meet specific characteristics, namely, reflectivity, the effect of high thermal cycling, and the vaporization of volatile alloying elements.

Miyachi Unitek's full range of laser welders includes both Yb:Fiber and Nd:YAG models ranging from <5W to 1kW of power to address applications of all sizes.  A frequency doubled model (LW2AG) operating in the visible spectrum at 532nm, is also available to address difficult to weld, highly reflective materials like gold and copper.

More information can be found in our Laser Welding Fundamentals document.

Contact Miyachi Unitek Technical Support for specific recommendations regarding your application.